{"id":1804,"date":"2023-04-27T21:02:46","date_gmt":"2023-04-27T12:02:46","guid":{"rendered":"https:\/\/edu.ujhb.org\/?p=1804"},"modified":"2023-04-27T21:02:46","modified_gmt":"2023-04-27T12:02:46","slug":"cuda%e5%85%a5%e9%97%a8%ef%bc%88%e4%b8%ad%e6%96%87%e7%89%88%ef%bc%89","status":"publish","type":"post","link":"https:\/\/edu.ujhb.org\/?p=1804","title":{"rendered":"Cuda\u5165\u95e8\uff08\u4e2d\u6587\u7248\uff09"},"content":{"rendered":"\n<p>\u6211\u662f\u8981\u505aIT\u6559\u7a0b\u7684\u89c6\u9891\uff0c\u4f60\u80fd\u5426\u6839\u636e\u7f51\u7ad9\u7684\u5185\u5bb9\uff0c\u4e3a\u6211\u5b89\u6392\u89c6\u9891\u6559\u7a0b\u7684\u6587\u5b57\u5185\u5bb9\u3002\u6211\u4eec\u5148\u4eceCuda\u6559\u7a0b\u5f00\u59cb\uff0c\u4f60\u5148\u4e3a\u6211\u5217\u51fa\u8981\u8bb2\u89e3\u7684\u5185\u5bb9\u4e00\u89c8\u3002<\/p>\n\n\n\n<p>\u5f53\u7136\u53ef\u4ee5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u4e8eCUDA\u6559\u7a0b\u7684\u89c6\u9891\u6559\u7a0b\u5927\u7eb2\u3002\u8bf7\u6ce8\u610f\uff0c\u8fd9\u4e2a\u5927\u7eb2\u662f\u6839\u636e\u7f51\u4e0a\u5e38\u89c1\u7684CUDA\u6559\u7a0b\u5185\u5bb9\u6574\u7406\u800c\u6210\uff0c\u5177\u4f53\u7684\u7ec6\u8282\u548c\u987a\u5e8f\u53ef\u4ee5\u6839\u636e\u60a8\u7684\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8bfe\u7a0b\u4ecb\u7ecd\n<ul class=\"wp-block-list\">\n<li>\u4ec0\u4e48\u662fCUDA<\/li>\n\n\n\n<li>CUDA\u7684\u4f18\u52bf\u548c\u5e94\u7528\u9886\u57df<\/li>\n\n\n\n<li>\u8bfe\u7a0b\u76ee\u6807\u548c\u5927\u7eb2<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>CUDA\u57fa\u672c\u6982\u5ff5\n<ul class=\"wp-block-list\">\n<li>\u5e76\u884c\u8ba1\u7b97\u7b80\u4ecb<\/li>\n\n\n\n<li>CUDA\u7f16\u7a0b\u6a21\u578b<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u3001\u7ebf\u7a0b\u5757\u548c\u7f51\u683c<\/li>\n\n\n\n<li>GPU\u5185\u5b58\u6a21\u578b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>CUDA\u5f00\u53d1\u73af\u5883\u642d\u5efa\n<ul class=\"wp-block-list\">\n<li>\u786c\u4ef6\u8981\u6c42<\/li>\n\n\n\n<li>\u8f6f\u4ef6\u5b89\u88c5\u4e0e\u914d\u7f6e\n<ul class=\"wp-block-list\">\n<li>CUDA Toolkit<\/li>\n\n\n\n<li>NVIDIA\u9a71\u52a8<\/li>\n\n\n\n<li>Visual Studio\u6216\u5176\u4ed6\u96c6\u6210\u5f00\u53d1\u73af\u5883<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u7f16\u5199\u7b2c\u4e00\u4e2aCUDA\u7a0b\u5e8f\n<ul class=\"wp-block-list\">\n<li>\u201cHello World\u201d\u5b9e\u4f8b<\/li>\n\n\n\n<li>CUDA\u6838\u51fd\u6570\u7684\u7f16\u5199<\/li>\n\n\n\n<li>CUDA\u6838\u51fd\u6570\u7684\u8c03\u7528<\/li>\n\n\n\n<li>\u4ee3\u7801\u89e3\u6790<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5185\u5b58\u7ba1\u7406\n<ul class=\"wp-block-list\">\n<li>GPU\u5185\u5b58\u5206\u914d<\/li>\n\n\n\n<li>\u6570\u636e\u4f20\u8f93<\/li>\n\n\n\n<li>\u7edf\u4e00\u5185\u5b58<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u540c\u6b65\u4e0e\u539f\u5b50\u64cd\u4f5c\n<ul class=\"wp-block-list\">\n<li>\u540c\u6b65\u539f\u8bed<\/li>\n\n\n\n<li>\u539f\u5b50\u64cd\u4f5c<\/li>\n\n\n\n<li>\u5b9e\u4f8b\u5206\u6790<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u4f18\u5316\u6280\u5de7\n<ul class=\"wp-block-list\">\n<li>\u5185\u5b58\u8bbf\u95ee\u4f18\u5316<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u534f\u540c\u4f18\u5316<\/li>\n\n\n\n<li>\u6307\u4ee4\u7ea7\u4f18\u5316<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\n<ul class=\"wp-block-list\">\n<li>\u77e9\u9635\u4e58\u6cd5<\/li>\n\n\n\n<li>\u56fe\u50cf\u5904\u7406<\/li>\n\n\n\n<li>\u5176\u4ed6\u9886\u57df\u7684\u5e94\u7528\u793a\u4f8b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u9ad8\u7ea7\u4e3b\u9898\n<ul class=\"wp-block-list\">\n<li>\u52a8\u6001\u5e76\u884c<\/li>\n\n\n\n<li>\u6d41\u548c\u5e76\u53d1<\/li>\n\n\n\n<li>\u4f7f\u7528NVIDIA\u63d0\u4f9b\u7684\u5e93<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u8bfe\u7a0b\u603b\u7ed3\n<ul class=\"wp-block-list\">\n<li>\u672c\u8bfe\u7a0b\u56de\u987e<\/li>\n\n\n\n<li>\u5b66\u4e60\u8d44\u6e90\u63a8\u8350<\/li>\n\n\n\n<li>\u540e\u7eed\u5b66\u4e60\u8def\u5f84<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u4e2a\u5927\u7eb2\u4ec5\u4f5c\u4e3a\u4e00\u4e2a\u521d\u6b65\u7684\u53c2\u8003\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u77e5\u8bc6\u548c\u6559\u5b66\u98ce\u683c\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u548c\u6269\u5c55\u3002\u5e0c\u671b\u5bf9\u60a8\u7684\u89c6\u9891\u6559\u7a0b\u5236\u4f5c\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u6211\u662f\u8981\u505aIT\u6559\u7a0b\u7684\u89c6\u9891\uff0c\u4f60\u80fd\u5426\u6839\u636e\u7f51\u7ad9\u7684\u5185\u5bb9\uff0c\u4e3a\u6211\u5b89\u6392\u89c6\u9891\u6559\u7a0b\u7684\u6587\u5b57\u5185\u5bb9\u3002\u6211\u4eec\u5148\u4eceGPU\u6559\u7a0b\u5f00\u59cb\uff0c\u4f60\u5148\u4e3a\u6211\u5217\u51fa\u8981\u8bb2\u89e3\u7684\u5185\u5bb9\u4e00\u89c8\u3002<\/p>\n\n\n\n<p>\u5f53\u7136\u53ef\u4ee5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u4e8eGPU\u6559\u7a0b\u7684\u89c6\u9891\u6559\u7a0b\u5927\u7eb2\u3002\u8bf7\u6ce8\u610f\uff0c\u8fd9\u4e2a\u5927\u7eb2\u662f\u6839\u636e\u7f51\u4e0a\u5e38\u89c1\u7684GPU\u6559\u7a0b\u5185\u5bb9\u6574\u7406\u800c\u6210\uff0c\u5177\u4f53\u7684\u7ec6\u8282\u548c\u987a\u5e8f\u53ef\u4ee5\u6839\u636e\u60a8\u7684\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8bfe\u7a0b\u4ecb\u7ecd\n<ul class=\"wp-block-list\">\n<li>\u4ec0\u4e48\u662fGPU<\/li>\n\n\n\n<li>GPU\u7684\u4f18\u52bf\u548c\u5e94\u7528\u9886\u57df<\/li>\n\n\n\n<li>\u8bfe\u7a0b\u76ee\u6807\u548c\u5927\u7eb2<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>GPU\u786c\u4ef6\u67b6\u6784\n<ul class=\"wp-block-list\">\n<li>\u6d41\u5904\u7406\u5668\uff08Shader\uff09<\/li>\n\n\n\n<li>\u7eb9\u7406\u5904\u7406\u5355\u5143\uff08Texture Units\uff09<\/li>\n\n\n\n<li>\u5149\u6805\u64cd\u4f5c\u5904\u7406\u5668\uff08ROPs\uff09<\/li>\n\n\n\n<li>\u5185\u5b58\u5e26\u5bbd\u548c\u603b\u7ebf<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>GPU\u7f16\u7a0b\u6a21\u578b\n<ul class=\"wp-block-list\">\n<li>\u9876\u70b9\u5904\u7406\uff08Vertex Processing\uff09<\/li>\n\n\n\n<li>\u51e0\u4f55\u5904\u7406\uff08Geometry Processing\uff09<\/li>\n\n\n\n<li>\u7247\u5143\u5904\u7406\uff08Fragment Processing\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5f00\u53d1\u73af\u5883\u642d\u5efa\n<ul class=\"wp-block-list\">\n<li>\u786c\u4ef6\u8981\u6c42<\/li>\n\n\n\n<li>\u8f6f\u4ef6\u5b89\u88c5\u4e0e\u914d\u7f6e\n<ul class=\"wp-block-list\">\n<li>\u56fe\u5f62\u9a71\u52a8<\/li>\n\n\n\n<li>OpenGL\u3001Vulkan\u6216DirectX<\/li>\n\n\n\n<li>Visual Studio\u6216\u5176\u4ed6\u96c6\u6210\u5f00\u53d1\u73af\u5883<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u7f16\u5199\u7b2c\u4e00\u4e2aGPU\u7a0b\u5e8f\n<ul class=\"wp-block-list\">\n<li>\u201cHello World\u201d\u5b9e\u4f8b<\/li>\n\n\n\n<li>\u9876\u70b9\u7740\u8272\u5668\uff08Vertex Shader\uff09<\/li>\n\n\n\n<li>\u7247\u5143\u7740\u8272\u5668\uff08Fragment Shader\uff09<\/li>\n\n\n\n<li>\u4ee3\u7801\u89e3\u6790<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u7eb9\u7406\u548c\u5149\u7167\n<ul class=\"wp-block-list\">\n<li>\u7eb9\u7406\u8d34\u56fe\uff08Texture Mapping\uff09<\/li>\n\n\n\n<li>\u5149\u7167\u6a21\u578b\uff08Lighting Models\uff09<\/li>\n\n\n\n<li>\u73af\u5883\u5149\u3001\u6f2b\u53cd\u5c04\u548c\u955c\u9762\u53cd\u5c04<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u9ad8\u7ea7\u6e32\u67d3\u6280\u672f\n<ul class=\"wp-block-list\">\n<li>\u9634\u5f71\uff08Shadows\uff09<\/li>\n\n\n\n<li>\u73af\u5883\u5149\u906e\u853d\uff08Ambient Occlusion\uff09<\/li>\n\n\n\n<li>\u5168\u5c40\u5149\u7167\uff08Global Illumination\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>GPU\u8ba1\u7b97\n<ul class=\"wp-block-list\">\n<li>GPGPU\u7b80\u4ecb<\/li>\n\n\n\n<li>CUDA\u548cOpenCL<\/li>\n\n\n\n<li>GPU\u8ba1\u7b97\u5b9e\u4f8b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u4f18\u5316\u6280\u5de7\n<ul class=\"wp-block-list\">\n<li>\u51cf\u5c11\u7740\u8272\u5668\u8c03\u7528\u6b21\u6570<\/li>\n\n\n\n<li>\u4f7f\u7528\u6279\u5904\u7406<\/li>\n\n\n\n<li>\u6a21\u578b\u7ec6\u8282\u5c42\u6b21\uff08Level of Detail\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\n<ul class=\"wp-block-list\">\n<li>\u6e38\u620f\u5f00\u53d1<\/li>\n\n\n\n<li>\u56fe\u50cf\u5904\u7406<\/li>\n\n\n\n<li>\u7269\u7406\u6a21\u62df<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u8bfe\u7a0b\u603b\u7ed3\n<ul class=\"wp-block-list\">\n<li>\u672c\u8bfe\u7a0b\u56de\u987e<\/li>\n\n\n\n<li>\u5b66\u4e60\u8d44\u6e90\u63a8\u8350<\/li>\n\n\n\n<li>\u540e\u7eed\u5b66\u4e60\u8def\u5f84<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u4e2a\u5927\u7eb2\u4ec5\u4f5c\u4e3a\u4e00\u4e2a\u521d\u6b65\u7684\u53c2\u8003\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u77e5\u8bc6\u548c\u6559\u5b66\u98ce\u683c\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u548c\u6269\u5c55\u3002\u5e0c\u671b\u5bf9\u60a8\u7684\u89c6\u9891\u6559\u7a0b\u5236\u4f5c\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4ec0\u4e48\u662fCUDA<\/p>\n\n\n\n<p>The previous model used in this conversation is unavailable. We&#8217;ve switched you to the latest default model<\/p>\n\n\n\n<p>CUDA\uff08Compute Unified Device Architecture\uff09\u662f\u4e00\u79cd\u7531\u82f1\u4f1f\u8fbe\uff08NVIDIA\uff09\u516c\u53f8\u5f00\u53d1\u7684\u5e76\u884c\u8ba1\u7b97\u5e73\u53f0\u548c\u7f16\u7a0b\u6a21\u578b\uff0c\u5b83\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u5728NVIDIA GPU\u4e0a\u7f16\u5199\u9ad8\u6027\u80fd\u7684\u5e76\u884c\u7a0b\u5e8f\u3002CUDA\u5e73\u53f0\u4e3b\u8981\u7531\u4e24\u90e8\u5206\u7ec4\u6210\uff1aCUDA\u7f16\u7a0b\u6a21\u578b\u548cCUDA\u5de5\u5177\u5305\uff08CUDA Toolkit\uff09\u3002<\/p>\n\n\n\n<p>CUDA\u7f16\u7a0b\u6a21\u578b\u662f\u4e00\u79cd\u57fa\u4e8eC\/C++\u8bed\u8a00\u6269\u5c55\u7684\u5e76\u884c\u7f16\u7a0b\u6a21\u578b\uff0c\u5141\u8bb8\u7a0b\u5e8f\u5458\u901a\u8fc7\u5728\u6807\u51c6C\/C++\u4ee3\u7801\u4e2d\u5d4c\u5165CUDA\u6269\u5c55\u6307\u4ee4\u6765\u5b9e\u73b0\u5e76\u884c\u8ba1\u7b97\u3002CUDA\u7f16\u7a0b\u6a21\u578b\u4e2d\u7684\u4e3b\u8981\u6982\u5ff5\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e3b\u673a\uff08Host\uff09\uff1a\u8fd0\u884c\u5728CPU\u4e0a\u7684\u7a0b\u5e8f\uff0c\u8d1f\u8d23\u63a7\u5236GPU\u7684\u64cd\u4f5c\uff0c\u5982\u5185\u5b58\u5206\u914d\u3001\u6570\u636e\u4f20\u8f93\u7b49\u3002<\/li>\n\n\n\n<li>\u8bbe\u5907\uff08Device\uff09\uff1a\u8fd0\u884c\u5728GPU\u4e0a\u7684\u7a0b\u5e8f\uff0c\u8d1f\u8d23\u5b9e\u9645\u7684\u5e76\u884c\u8ba1\u7b97\u3002<\/li>\n\n\n\n<li>\u6838\u51fd\u6570\uff08Kernel Function\uff09\uff1a\u5728GPU\u4e0a\u6267\u884c\u7684\u51fd\u6570\uff0c\u6bcf\u4e2a\u6838\u51fd\u6570\u90fd\u53ef\u4ee5\u7531\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u6267\u884c\u3002<\/li>\n\n\n\n<li>\u7ebf\u7a0b\uff08Thread\uff09\uff1a\u6267\u884c\u6838\u51fd\u6570\u7684\u6700\u5c0f\u5355\u4f4d\uff0c\u7531GPU\u786c\u4ef6\u7ba1\u7406\u3002<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u5757\uff08Thread Block\uff09\uff1a\u4e00\u7ec4\u5171\u4eab\u540c\u4e00\u5757\u5171\u4eab\u5185\u5b58\uff08Shared Memory\uff09\u7684\u7ebf\u7a0b\u7684\u96c6\u5408\u3002<\/li>\n\n\n\n<li>\u7f51\u683c\uff08Grid\uff09\uff1a\u4e00\u7ec4\u7531\u7ebf\u7a0b\u5757\u7ec4\u6210\u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u7528\u4e8e\u7ba1\u7406\u5927\u89c4\u6a21\u7684\u5e76\u884c\u8ba1\u7b97\u3002<\/li>\n<\/ul>\n\n\n\n<p>CUDA\u5de5\u5177\u5305\u5305\u542b\u4e86\u4e00\u7cfb\u5217\u7684\u7f16\u8bd1\u5668\u3001\u8c03\u8bd5\u5668\u3001\u6027\u80fd\u5206\u6790\u5de5\u5177\u7b49\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u66f4\u52a0\u5bb9\u6613\u5730\u8fdb\u884cCUDA\u7f16\u7a0b\uff0c\u5e76\u4e14\u53ef\u4ee5\u5bf9CUDA\u7a0b\u5e8f\u8fdb\u884c\u4f18\u5316\u548c\u8c03\u8bd5\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cCUDA\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6548\u3001\u7075\u6d3b\u548c\u6613\u4e8e\u4f7f\u7528\u7684\u5e76\u884c\u8ba1\u7b97\u5e73\u53f0\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u66f4\u52a0\u8f7b\u677e\u5730\u5229\u7528GPU\u6765\u52a0\u901f\u8ba1\u7b97\u5bc6\u96c6\u578b\u7684\u4efb\u52a1\u3002\u5b83\u5df2\u7ecf\u5728\u591a\u4e2a\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5982\u79d1\u5b66\u8ba1\u7b97\u3001\u673a\u5668\u5b66\u4e60\u3001\u8ba1\u7b97\u673a\u89c6\u89c9\u7b49\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCUDA\u7684\u4f18\u52bf\u548c\u5e94\u7528\u9886\u57df<\/p>\n\n\n\n<p>CUDA\uff08Compute Unified Device Architecture\uff09\u5e73\u53f0\u7684\u4f18\u52bf\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9ad8\u6027\u80fd\u5e76\u884c\u8ba1\u7b97\uff1aCUDA\u901a\u8fc7\u5229\u7528GPU\u4e2d\u7684\u5927\u91cf\u6838\u5fc3\u548c\u9ad8\u901f\u7684\u5185\u5b58\u5e26\u5bbd\uff0c\u80fd\u591f\u4ee5\u6bd4CPU\u66f4\u9ad8\u7684\u6027\u80fd\u8fdb\u884c\u5e76\u884c\u8ba1\u7b97\uff0c\u5927\u5927\u63d0\u5347\u4e86\u8ba1\u7b97\u5bc6\u96c6\u578b\u5e94\u7528\u7684\u6267\u884c\u901f\u5ea6\u3002<\/li>\n\n\n\n<li>\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027\uff1aCUDA\u5e73\u53f0\u7684\u7f16\u7a0b\u6a21\u578b\u975e\u5e38\u7075\u6d3b\uff0c\u53ef\u4ee5\u6839\u636e\u5e94\u7528\u9700\u6c42\u6765\u7ec4\u7ec7\u5e76\u884c\u8ba1\u7b97\u3002\u540c\u65f6\uff0cCUDA\u8fd8\u652f\u6301\u591aGPU\u73af\u5883\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u4e2aGPU\u6765\u5e76\u884c\u6267\u884c\u8ba1\u7b97\u4efb\u52a1\uff0c\u63d0\u9ad8\u4e86\u6574\u4f53\u7684\u8ba1\u7b97\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u6613\u4e8e\u5f00\u53d1\u548c\u4f18\u5316\uff1aCUDA\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u7f16\u8bd1\u5668\u3001\u8c03\u8bd5\u5668\u3001\u6027\u80fd\u5206\u6790\u5de5\u5177\u7b49\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u66f4\u52a0\u5bb9\u6613\u5730\u8fdb\u884cCUDA\u7f16\u7a0b\uff0c\u5e76\u4e14\u53ef\u4ee5\u5bf9CUDA\u7a0b\u5e8f\u8fdb\u884c\u4f18\u5316\u548c\u8c03\u8bd5\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u57fa\u4e8eCUDA\u5e73\u53f0\u7684\u5e94\u7528\u9886\u57df\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u79d1\u5b66\u8ba1\u7b97\uff1aCUDA\u5e73\u53f0\u53ef\u4ee5\u7528\u4e8e\u5404\u79cd\u79d1\u5b66\u8ba1\u7b97\u5e94\u7528\uff0c\u5982\u6570\u503c\u6a21\u62df\u3001\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u3001\u7269\u7406\u6a21\u62df\u3001\u5929\u6587\u5b66\u6a21\u62df\u7b49\u3002\u8fd9\u4e9b\u5e94\u7528\u901a\u5e38\u9700\u8981\u8fdb\u884c\u5927\u91cf\u7684\u8ba1\u7b97\u548c\u6570\u636e\u5904\u7406\uff0c\u800cCUDA\u5e73\u53f0\u53ef\u4ee5\u4ee5\u6bd4CPU\u66f4\u9ad8\u7684\u6027\u80fd\u8fdb\u884c\u8fd9\u4e9b\u4efb\u52a1\u3002<\/li>\n\n\n\n<li>\u673a\u5668\u5b66\u4e60\uff1a\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u8bad\u7ec3\u548c\u63a8\u7406\u8fc7\u7a0b\u901a\u5e38\u9700\u8981\u8fdb\u884c\u5927\u91cf\u7684\u77e9\u9635\u8fd0\u7b97\u548c\u5411\u91cf\u8fd0\u7b97\uff0c\u800c\u8fd9\u6b63\u662fGPU\u7684\u5f3a\u9879\u3002\u56e0\u6b64\uff0cCUDA\u5e73\u53f0\u53ef\u4ee5\u7528\u4e8e\u52a0\u901f\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u7684\u6267\u884c\u901f\u5ea6\uff0c\u5982\u795e\u7ecf\u7f51\u7edc\u3001\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\u3001\u6df1\u5ea6\u5b66\u4e60\u7b49\u3002<\/li>\n\n\n\n<li>\u8ba1\u7b97\u673a\u89c6\u89c9\uff1a\u8ba1\u7b97\u673a\u89c6\u89c9\u5e94\u7528\u901a\u5e38\u9700\u8981\u8fdb\u884c\u5927\u91cf\u7684\u56fe\u50cf\u5904\u7406\u3001\u7279\u5f81\u63d0\u53d6\u3001\u76ee\u6807\u68c0\u6d4b\u7b49\u4efb\u52a1\uff0c\u8fd9\u4e9b\u4efb\u52a1\u53ef\u4ee5\u5229\u7528CUDA\u5e73\u53f0\u7684\u5e76\u884c\u8ba1\u7b97\u80fd\u529b\u6765\u52a0\u901f\u3002CUDA\u5e73\u53f0\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5b9e\u65f6\u89c6\u9891\u5904\u7406\u3001\u56fe\u50cf\u5904\u7406\u7b49\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u6570\u5b57\u5a92\u4f53\uff1a\u6570\u5b57\u5a92\u4f53\u5e94\u7528\u901a\u5e38\u9700\u8981\u8fdb\u884c\u5927\u91cf\u7684\u56fe\u50cf\u5904\u7406\u3001\u97f3\u9891\u5904\u7406\u7b49\u4efb\u52a1\uff0c\u8fd9\u4e9b\u4efb\u52a1\u4e5f\u53ef\u4ee5\u5229\u7528CUDA\u5e73\u53f0\u7684\u5e76\u884c\u8ba1\u7b97\u80fd\u529b\u6765\u52a0\u901f\u3002\u4f8b\u5982\u89c6\u9891\u7f16\u89e3\u7801\u3001\u56fe\u50cf\u5408\u6210\u3001\u97f3\u9891\u5904\u7406\u7b49\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cCUDA\u5e73\u53f0\u7684\u4f18\u52bf\u548c\u5e94\u7528\u9886\u57df\u975e\u5e38\u5e7f\u6cdb\uff0c\u53ef\u4ee5\u7528\u4e8e\u5404\u79cd\u9700\u8981\u8fdb\u884c\u5927\u89c4\u6a21\u5e76\u884c\u8ba1\u7b97\u7684\u5e94\u7528\u573a\u666f\uff0c\u5305\u62ec\u79d1\u5b66\u8ba1\u7b97\u3001\u673a\u5668\u5b66\u4e60\u3001\u8ba1\u7b97\u673a\u89c6\u89c9\u3001\u6570\u5b57\u5a92\u4f53\u7b49\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5e76\u884c\u8ba1\u7b97\u7b80\u4ecb<\/p>\n\n\n\n<p>\u5e76\u884c\u8ba1\u7b97\uff08Parallel Computing\uff09\u662f\u6307\u540c\u65f6\u6267\u884c\u591a\u4e2a\u8ba1\u7b97\u4efb\u52a1\u7684\u8ba1\u7b97\u6a21\u5f0f\uff0c\u5b83\u901a\u8fc7\u5c06\u5927\u4efb\u52a1\u5206\u89e3\u4e3a\u591a\u4e2a\u5c0f\u4efb\u52a1\u5e76\u884c\u8ba1\u7b97\uff0c\u4ece\u800c\u63d0\u9ad8\u8ba1\u7b97\u6548\u7387\u548c\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u5728\u4f20\u7edf\u7684\u4e32\u884c\u8ba1\u7b97\u4e2d\uff0c\u4efb\u52a1\u6309\u7167\u987a\u5e8f\u9010\u4e2a\u6267\u884c\uff0c\u65e0\u6cd5\u5145\u5206\u5229\u7528\u8ba1\u7b97\u673a\u7cfb\u7edf\u7684\u786c\u4ef6\u8d44\u6e90\u3002\u800c\u5728\u5e76\u884c\u8ba1\u7b97\u4e2d\uff0c\u4efb\u52a1\u53ef\u4ee5\u5206\u914d\u7ed9\u591a\u4e2a\u8ba1\u7b97\u5355\u5143\u540c\u65f6\u6267\u884c\uff0c\u8fd9\u4e9b\u8ba1\u7b97\u5355\u5143\u53ef\u4ee5\u662f\u591a\u4e2a\u5904\u7406\u5668\u3001\u591a\u4e2a\u7ebf\u7a0b\u6216\u591a\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n<p>\u5e76\u884c\u8ba1\u7b97\u4e3b\u8981\u5206\u4e3a\u4e24\u7c7b\uff1a\u6570\u636e\u5e76\u884c\u548c\u4efb\u52a1\u5e76\u884c\u3002\u6570\u636e\u5e76\u884c\u662f\u6307\u5c06\u6570\u636e\u5206\u6210\u591a\u4e2a\u90e8\u5206\u5e76\u5728\u591a\u4e2a\u5904\u7406\u5668\u4e0a\u5e76\u884c\u8ba1\u7b97\uff0c\u901a\u5e38\u7528\u4e8e\u89e3\u51b3\u6570\u636e\u5bc6\u96c6\u578b\u95ee\u9898\u3002\u4efb\u52a1\u5e76\u884c\u662f\u6307\u5c06\u4efb\u52a1\u5206\u6210\u591a\u4e2a\u90e8\u5206\u5e76\u5728\u591a\u4e2a\u5904\u7406\u5668\u4e0a\u5e76\u884c\u8ba1\u7b97\uff0c\u901a\u5e38\u7528\u4e8e\u89e3\u51b3\u8ba1\u7b97\u5bc6\u96c6\u578b\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u5e76\u884c\u8ba1\u7b97\u6709\u4ee5\u4e0b\u51e0\u4e2a\u4e3b\u8981\u4f18\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u63d0\u9ad8\u8ba1\u7b97\u6548\u7387\uff1a\u5e76\u884c\u8ba1\u7b97\u53ef\u4ee5\u540c\u65f6\u5904\u7406\u591a\u4e2a\u4efb\u52a1\uff0c\u5145\u5206\u5229\u7528\u8ba1\u7b97\u673a\u7cfb\u7edf\u7684\u786c\u4ef6\u8d44\u6e90\uff0c\u63d0\u9ad8\u8ba1\u7b97\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\uff1a\u5e76\u884c\u8ba1\u7b97\u53ef\u4ee5\u5c06\u5927\u89c4\u6a21\u6570\u636e\u5206\u89e3\u4e3a\u591a\u4e2a\u5c0f\u4efb\u52a1\u5e76\u884c\u8ba1\u7b97\uff0c\u52a0\u901f\u6570\u636e\u5904\u7406\u8fc7\u7a0b\u3002<\/li>\n\n\n\n<li>\u652f\u6301\u66f4\u590d\u6742\u7684\u8ba1\u7b97\u6a21\u578b\uff1a\u5e76\u884c\u8ba1\u7b97\u53ef\u4ee5\u652f\u6301\u66f4\u590d\u6742\u7684\u8ba1\u7b97\u6a21\u578b\uff0c\u5982\u673a\u5668\u5b66\u4e60\u3001\u6df1\u5ea6\u5b66\u4e60\u7b49\uff0c\u4ece\u800c\u53ef\u4ee5\u5904\u7406\u66f4\u590d\u6742\u7684\u8ba1\u7b97\u4efb\u52a1\u3002<\/li>\n\n\n\n<li>\u63d0\u9ad8\u7cfb\u7edf\u53ef\u9760\u6027\uff1a\u5e76\u884c\u8ba1\u7b97\u53ef\u4ee5\u5c06\u4efb\u52a1\u5206\u914d\u7ed9\u591a\u4e2a\u8ba1\u7b97\u5355\u5143\u6267\u884c\uff0c\u5982\u679c\u67d0\u4e2a\u8ba1\u7b97\u5355\u5143\u53d1\u751f\u6545\u969c\uff0c\u5176\u4ed6\u8ba1\u7b97\u5355\u5143\u53ef\u4ee5\u7ee7\u7eed\u6267\u884c\u4efb\u52a1\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5e76\u884c\u8ba1\u7b97\u662f\u4e00\u79cd\u9ad8\u6548\u3001\u7075\u6d3b\u548c\u53ef\u9760\u7684\u8ba1\u7b97\u6a21\u5f0f\uff0c\u5df2\u7ecf\u5728\u5404\u79cd\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5982\u79d1\u5b66\u8ba1\u7b97\u3001\u673a\u5668\u5b66\u4e60\u3001\u8ba1\u7b97\u673a\u89c6\u89c9\u7b49\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCUDA\u7f16\u7a0b\u6a21\u578b<\/p>\n\n\n\n<p>CUDA\uff08Compute Unified Device Architecture\uff09\u7f16\u7a0b\u6a21\u578b\u662f\u4e00\u79cd\u57fa\u4e8eC\/C++\u8bed\u8a00\u6269\u5c55\u7684\u5e76\u884c\u7f16\u7a0b\u6a21\u578b\uff0c\u5b83\u5141\u8bb8\u7a0b\u5e8f\u5458\u901a\u8fc7\u5728\u6807\u51c6C\/C++\u4ee3\u7801\u4e2d\u5d4c\u5165CUDA\u6269\u5c55\u6307\u4ee4\u6765\u5b9e\u73b0\u5e76\u884c\u8ba1\u7b97\u3002CUDA\u7f16\u7a0b\u6a21\u578b\u4e2d\u7684\u4e3b\u8981\u6982\u5ff5\u5305\u62ec\u4e3b\u673a\uff08Host\uff09\u3001\u8bbe\u5907\uff08Device\uff09\u3001\u6838\u51fd\u6570\uff08Kernel Function\uff09\u3001\u7ebf\u7a0b\uff08Thread\uff09\u3001\u7ebf\u7a0b\u5757\uff08Thread Block\uff09\u548c\u7f51\u683c\uff08Grid\uff09\u7b49\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u5206\u522b\u89e3\u91ca\u8fd9\u4e9b\u6982\u5ff5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e3b\u673a\uff08Host\uff09\uff1a\u8fd0\u884c\u5728CPU\u4e0a\u7684\u7a0b\u5e8f\uff0c\u8d1f\u8d23\u63a7\u5236GPU\u7684\u64cd\u4f5c\uff0c\u5982\u5185\u5b58\u5206\u914d\u3001\u6570\u636e\u4f20\u8f93\u7b49\u3002<\/li>\n\n\n\n<li>\u8bbe\u5907\uff08Device\uff09\uff1a\u8fd0\u884c\u5728GPU\u4e0a\u7684\u7a0b\u5e8f\uff0c\u8d1f\u8d23\u5b9e\u9645\u7684\u5e76\u884c\u8ba1\u7b97\u3002<\/li>\n\n\n\n<li>\u6838\u51fd\u6570\uff08Kernel Function\uff09\uff1a\u5728GPU\u4e0a\u6267\u884c\u7684\u51fd\u6570\uff0c\u6bcf\u4e2a\u6838\u51fd\u6570\u90fd\u53ef\u4ee5\u7531\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u6267\u884c\u3002<\/li>\n\n\n\n<li>\u7ebf\u7a0b\uff08Thread\uff09\uff1a\u6267\u884c\u6838\u51fd\u6570\u7684\u6700\u5c0f\u5355\u4f4d\uff0c\u7531GPU\u786c\u4ef6\u7ba1\u7406\u3002\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u7ebf\u7a0bID\uff0c\u53ef\u4ee5\u901a\u8fc7\u7ebf\u7a0bID\u6765\u8fdb\u884c\u8ba1\u7b97\u3002<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u5757\uff08Thread Block\uff09\uff1a\u4e00\u7ec4\u5171\u4eab\u540c\u4e00\u5757\u5171\u4eab\u5185\u5b58\uff08Shared Memory\uff09\u7684\u7ebf\u7a0b\u7684\u96c6\u5408\u3002\u7ebf\u7a0b\u5757\u53ef\u4ee5\u7531\u591a\u4e2a\u7ebf\u7a0b\u7ec4\u6210\uff0c\u7ebf\u7a0b\u5757\u5185\u7684\u7ebf\u7a0b\u53ef\u4ee5\u8fdb\u884c\u534f\u540c\u8ba1\u7b97\u548c\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u7f51\u683c\uff08Grid\uff09\uff1a\u4e00\u7ec4\u7531\u7ebf\u7a0b\u5757\u7ec4\u6210\u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u7528\u4e8e\u7ba1\u7406\u5927\u89c4\u6a21\u7684\u5e76\u884c\u8ba1\u7b97\u3002\u7f51\u683c\u7531\u591a\u4e2a\u7ebf\u7a0b\u5757\u7ec4\u6210\uff0c\u53ef\u4ee5\u5bf9\u6574\u4e2a\u8ba1\u7b97\u8fc7\u7a0b\u8fdb\u884c\u5212\u5206\u548c\u7ba1\u7406\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u5728CUDA\u7f16\u7a0b\u6a21\u578b\u4e2d\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u7f16\u5199\u4e3b\u673a\u4ee3\u7801\u548c\u8bbe\u5907\u4ee3\u7801\u4e24\u90e8\u5206\uff0c\u5176\u4e2d\u4e3b\u673a\u4ee3\u7801\u8fd0\u884c\u5728CPU\u4e0a\uff0c\u8d1f\u8d23\u63a7\u5236GPU\u7684\u64cd\u4f5c\uff0c\u800c\u8bbe\u5907\u4ee3\u7801\u8fd0\u884c\u5728GPU\u4e0a\uff0c\u8d1f\u8d23\u5b9e\u9645\u7684\u5e76\u884c\u8ba1\u7b97\u3002\u4e3b\u673a\u4ee3\u7801\u548c\u8bbe\u5907\u4ee3\u7801\u4e4b\u95f4\u901a\u8fc7CUDA\u63d0\u4f9b\u7684\u5185\u5b58\u7ba1\u7406\u548c\u6570\u636e\u4f20\u8f93\u51fd\u6570\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002<\/p>\n\n\n\n<p>\u5728CUDA\u7f16\u7a0b\u6a21\u578b\u4e2d\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u5c06\u8ba1\u7b97\u4efb\u52a1\u5206\u89e3\u6210\u591a\u4e2a\u6838\u51fd\u6570\uff0c\u6bcf\u4e2a\u6838\u51fd\u6570\u53ef\u4ee5\u7531\u591a\u4e2a\u7ebf\u7a0b\u6267\u884c\u3002\u7ebf\u7a0b\u7531\u7ebf\u7a0b\u5757\u7ec4\u7ec7\uff0c\u7ebf\u7a0b\u5757\u7531\u7f51\u683c\u7ec4\u7ec7\uff0c\u901a\u8fc7\u7ebf\u7a0bID\u6765\u8fdb\u884c\u8ba1\u7b97\u3002\u7a0b\u5e8f\u5458\u9700\u8981\u8bbe\u8ba1\u5408\u9002\u7684\u7ebf\u7a0b\u5757\u5927\u5c0f\u548c\u7f51\u683c\u5927\u5c0f\uff0c\u4ee5\u5145\u5206\u5229\u7528GPU\u7684\u8ba1\u7b97\u8d44\u6e90\uff0c\u4ece\u800c\u63d0\u9ad8\u5e76\u884c\u8ba1\u7b97\u7684\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cCUDA\u7f16\u7a0b\u6a21\u578b\u662f\u4e00\u79cd\u9ad8\u6548\u3001\u7075\u6d3b\u548c\u6613\u4e8e\u4f7f\u7528\u7684\u5e76\u884c\u7f16\u7a0b\u6a21\u578b\uff0c\u5b83\u5141\u8bb8\u7a0b\u5e8f\u5458\u5229\u7528GPU\u7684\u5e76\u884c\u8ba1\u7b97\u80fd\u529b\u6765\u52a0\u901f\u8ba1\u7b97\u5bc6\u96c6\u578b\u4efb\u52a1\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u901a\u8fc7CUDA\u63d0\u4f9b\u7684\u4e30\u5bcc\u7684\u5de5\u5177\u548c\u51fd\u6570\u6765\u8fdb\u884cCUDA\u7f16\u7a0b\uff0c\u4ece\u800c\u5145\u5206\u5229\u7528GPU\u7684\u8ba1\u7b97\u8d44\u6e90\uff0c\u63d0\u9ad8\u8ba1\u7b97\u6548\u7387\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u7ebf\u7a0b\u3001\u7ebf\u7a0b\u5757\u548c\u7f51\u683c<\/p>\n\n\n\n<p>\u5728\u7ebf\u7a0b\u7ea7\u522b\u7684\u5e76\u884c\u8ba1\u7b97\u4e2d\uff0c\u7ebf\u7a0b\u3001\u7ebf\u7a0b\u5757\u548c\u7f51\u683c\u662fCUDA\u7f16\u7a0b\u6a21\u578b\u4e2d\u7684\u4e09\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u5b83\u4eec\u7684\u5173\u7cfb\u5982\u4e0b\uff1a\u4e00\u4e2a\u7f51\u683c\u5305\u542b\u591a\u4e2a\u7ebf\u7a0b\u5757\uff0c\u4e00\u4e2a\u7ebf\u7a0b\u5757\u5305\u542b\u591a\u4e2a\u7ebf\u7a0b\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7ebf\u7a0b\uff08Thread\uff09\uff1a\u5728CUDA\u7f16\u7a0b\u6a21\u578b\u4e2d\uff0c\u7ebf\u7a0b\u662f\u6267\u884c\u6838\u51fd\u6570\u7684\u6700\u5c0f\u5355\u4f4d\u3002\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u7ebf\u7a0bID\uff0c\u53ef\u4ee5\u901a\u8fc7\u7ebf\u7a0bID\u6765\u8fdb\u884c\u8ba1\u7b97\u3002\u5728GPU\u786c\u4ef6\u4e0a\uff0c\u7ebf\u7a0b\u88ab\u7ec4\u7ec7\u6210\u7ebf\u7a0b\u5757\u548c\u7f51\u683c\uff0c\u7ebf\u7a0b\u53ef\u4ee5\u5728\u591a\u4e2a\u7ebf\u7a0b\u5757\u548c\u7f51\u683c\u4e4b\u95f4\u8fdb\u884c\u8c03\u5ea6\u548c\u6267\u884c\u3002<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u5757\uff08Thread Block\uff09\uff1a\u7ebf\u7a0b\u5757\u662f\u4e00\u7ec4\u5171\u4eab\u540c\u4e00\u5757\u5171\u4eab\u5185\u5b58\uff08Shared 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class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caGPU\u5185\u5b58\u6a21\u578b<\/p>\n\n\n\n<p>GPU\u5185\u5b58\u6a21\u578b\u662f\u6307GPU\u786c\u4ef6\u4e2d\u7684\u5185\u5b58\u7ec4\u7ec7\u548c\u8bbf\u95ee\u65b9\u5f0f\uff0c\u5b83\u662fCUDA\u7f16\u7a0b\u6a21\u578b\u4e2d\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002GPU\u5185\u5b58\u6a21\u578b\u5305\u62ec\u5168\u5c40\u5185\u5b58\u3001\u5171\u4eab\u5185\u5b58\u3001\u5e38\u91cf\u5185\u5b58\u548c\u7eb9\u7406\u5185\u5b58\u7b49\u51e0\u79cd\u7c7b\u578b\u7684\u5185\u5b58\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5168\u5c40\u5185\u5b58\uff08Global Memory\uff09\uff1a\u5168\u5c40\u5185\u5b58\u662fGPU\u4e2d\u6700\u5927\u7684\u4e00\u79cd\u5185\u5b58\uff0c\u53ef\u4ee5\u5b58\u50a8\u5927\u89c4\u6a21\u7684\u6570\u636e\uff0c\u4f8b\u5982\u77e9\u9635\u3001\u6570\u7ec4\u7b49\u3002\u5168\u5c40\u5185\u5b58\u5bf9\u5e94\u7740CPU\u7684\u4e3b\u5b58\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e3b\u673a\u4ee3\u7801\u8fdb\u884c\u5206\u914d\u548c\u91ca\u653e\u3002\u5728\u8bbe\u5907\u4ee3\u7801\u4e2d\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u901a\u8fc7\u5168\u5c40\u5185\u5b58\u6765\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u548c\u8bbf\u95ee\u3002<\/li>\n\n\n\n<li>\u5171\u4eab\u5185\u5b58\uff08Shared Memory\uff09\uff1a\u5171\u4eab\u5185\u5b58\u662fGPU\u4e2d\u6700\u5feb\u7684\u4e00\u79cd\u5185\u5b58\uff0c\u5b83\u4f4d\u4e8e\u540c\u4e00\u4e2a\u7ebf\u7a0b\u5757\u5185\u7684\u7ebf\u7a0b\u4e4b\u95f4\u5171\u4eab\u3002\u5171\u4eab\u5185\u5b58\u901a\u5e38\u7528\u4e8e\u5b58\u50a8\u9700\u8981\u9891\u7e41\u8bbf\u95ee\u7684\u6570\u636e\uff0c\u5982\u77e9\u9635\u5757\u3001\u5377\u79ef\u6838\u7b49\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u8bbf\u95ee\u901f\u5ea6\u548c\u8ba1\u7b97\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u5e38\u91cf\u5185\u5b58\uff08Constant Memory\uff09\uff1a\u5e38\u91cf\u5185\u5b58\u662fGPU\u4e2d\u7684\u4e00\u79cd\u53ea\u8bfb\u5185\u5b58\uff0c\u7528\u4e8e\u5b58\u50a8\u7a0b\u5e8f\u4e2d\u4e0d\u4f1a\u53d8\u5316\u7684\u5e38\u91cf\u6570\u636e\uff0c\u5982\u5377\u79ef\u6838\u3001\u795e\u7ecf\u7f51\u7edc\u6743\u91cd\u7b49\u3002\u5e38\u91cf\u5185\u5b58\u4e0e\u5168\u5c40\u5185\u5b58\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e3b\u673a\u4ee3\u7801\u8fdb\u884c\u5206\u914d\u548c\u91ca\u653e\uff0c\u4f46\u662f\u5b83\u7684\u8bbf\u95ee\u901f\u5ea6\u6bd4\u5168\u5c40\u5185\u5b58\u66f4\u5feb\u3002<\/li>\n\n\n\n<li>\u7eb9\u7406\u5185\u5b58\uff08Texture Memory\uff09\uff1a\u7eb9\u7406\u5185\u5b58\u662fGPU\u4e2d\u7684\u4e00\u79cd\u9ad8\u901f\u7f13\u5b58\uff0c\u7528\u4e8e\u5b58\u50a8\u56fe\u50cf\u6570\u636e\u548c\u91c7\u6837\u5668\u72b6\u6001\u3002\u7eb9\u7406\u5185\u5b58\u53ef\u4ee5\u63d0\u4f9b\u66f4\u5feb\u7684\u8bbf\u95ee\u901f\u5ea6\u548c\u66f4\u9ad8\u7684\u5e26\u5bbd\uff0c\u53ef\u4ee5\u7528\u4e8e\u8ba1\u7b97\u673a\u89c6\u89c9\u3001\u56fe\u50cf\u5904\u7406\u7b49\u5e94\u7528\u4e2d\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u9664\u4e86\u4ee5\u4e0a\u56db\u79cd\u5185\u5b58\uff0c\u8fd8\u6709\u5bc4\u5b58\u5668\uff08Register\uff09\u3001\u5c40\u90e8\u5185\u5b58\uff08Local Memory\uff09\u7b49\u5185\u5b58\u7c7b\u578b\u3002\u5bc4\u5b58\u5668\u662fGPU\u786c\u4ef6\u4e2d\u7684\u6700\u5feb\u5185\u5b58\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u62e5\u6709\u81ea\u5df1\u7684\u5bc4\u5b58\u5668\uff0c\u7528\u4e8e\u5b58\u50a8\u4e34\u65f6\u53d8\u91cf\u548c\u8ba1\u7b97\u7ed3\u679c\u3002\u5c40\u90e8\u5185\u5b58\u662f\u6307\u4f4d\u4e8e\u7ebf\u7a0b\u5757\u5185\u90e8\u7684\u5185\u5b58\uff0c\u5b83\u5bf9\u5e94\u7740CPU\u4e2d\u7684\u6808\u5185\u5b58\uff0c\u7528\u4e8e\u5b58\u50a8\u7ebf\u7a0b\u5757\u4e2d\u7684\u5c40\u90e8\u53d8\u91cf\u548c\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u5728CUDA\u7f16\u7a0b\u6a21\u578b\u4e2d\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u5408\u7406\u5730\u4f7f\u7528\u4e0d\u540c\u7c7b\u578b\u7684\u5185\u5b58\uff0c\u4ee5\u5145\u5206\u5229\u7528GPU\u7684\u5185\u5b58\u8d44\u6e90\u548c\u63d0\u9ad8\u8ba1\u7b97\u6548\u7387\u3002\u4f8b\u5982\uff0c\u5171\u4eab\u5185\u5b58\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u9700\u8981\u9891\u7e41\u8bbf\u95ee\u7684\u6570\u636e\uff0c\u5e38\u91cf\u5185\u5b58\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u4e0d\u53d8\u7684\u5e38\u91cf\u6570\u636e\uff0c\u800c\u7eb9\u7406\u5185\u5b58\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u56fe\u50cf\u6570\u636e\u548c\u91c7\u6837\u5668\u72b6\u6001\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cGPU\u5185\u5b58\u6a21\u578b\u662fCUDA\u7f16\u7a0b\u6a21\u578b\u4e2d\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u4e86\u89e3\u5404\u79cd\u5185\u5b58\u7c7b\u578b\u7684\u7279\u70b9\u548c\u4f7f\u7528\u65b9\u6cd5\uff0c\u4ee5\u5145\u5206\u5229\u7528GPU\u7684\u5185\u5b58\u8d44\u6e90\uff0c\u63d0\u9ad8\u8ba1\u7b97\u6548\u7387\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCUDA\u5f00\u53d1\u73af\u5883\u642d\u5efa\u7684\u786c\u4ef6\u8981\u6c42<\/p>\n\n\n\n<p>\u8981\u8fdb\u884cCUDA\u5f00\u53d1\uff0c\u9700\u8981\u5728\u8ba1\u7b97\u673a\u4e0a\u5b89\u88c5\u9002\u5408\u7684\u786c\u4ef6\u548c\u8f6f\u4ef6\u73af\u5883\u3002\u4e0b\u9762\u662fCUDA\u5f00\u53d1\u73af\u5883\u642d\u5efa\u7684\u786c\u4ef6\u8981\u6c42\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>GPU\uff1aCUDA\u7f16\u7a0b\u9700\u8981\u4f7f\u7528\u652f\u6301CUDA\u7684NVIDIA\u663e\u5361\uff0c\u5982Tesla\u3001Quadro\u6216GeForce\u7cfb\u5217\u7684\u663e\u5361\u3002\u663e\u5361\u7684\u6027\u80fd\u548c\u5185\u5b58\u5927\u5c0f\u4f1a\u5f71\u54cdCUDA\u7a0b\u5e8f\u7684\u8ba1\u7b97\u901f\u5ea6\u548c\u53ef\u5904\u7406\u7684\u6570\u636e\u89c4\u6a21\u3002<\/li>\n\n\n\n<li>CPU\uff1aCUDA\u7f16\u7a0b\u4e0d\u9700\u8981\u7279\u522b\u9ad8\u6027\u80fd\u7684CPU\uff0c\u4f46\u662f\u9700\u8981\u652f\u6301SSE2\u6307\u4ee4\u96c6\u548c64\u4f4d\u64cd\u4f5c\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li>\u5185\u5b58\uff1aCUDA\u7f16\u7a0b\u9700\u8981\u5145\u8db3\u7684\u7cfb\u7edf\u5185\u5b58\u548c\u663e\u5b58\u3002\u4e00\u822c\u5efa\u8bae\u81f3\u5c118GB\u7684\u7cfb\u7edf\u5185\u5b58\u548c2GB\u4ee5\u4e0a\u7684\u663e\u5b58\uff0c\u4ee5\u6ee1\u8db3\u8f83\u5927\u89c4\u6a21\u7684\u8ba1\u7b97\u4efb\u52a1\u3002<\/li>\n\n\n\n<li>\u64cd\u4f5c\u7cfb\u7edf\uff1aCUDA\u652f\u6301Windows\u3001Linux\u548cmacOS\u7b49\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u9700\u8981\u4f7f\u7528\u4e0d\u540c\u7248\u672c\u7684CUDA\u5de5\u5177\u5305\u548c\u663e\u5361\u9a71\u52a8\u7a0b\u5e8f\u3002<\/li>\n\n\n\n<li>CUDA\u5de5\u5177\u5305\uff1aCUDA\u7f16\u7a0b\u9700\u8981\u5b89\u88c5\u9002\u5408\u7684CUDA\u5de5\u5177\u5305\uff0c\u5982CUDA Toolkit\u3002\u4e0d\u540c\u7684CUDA\u5de5\u5177\u5305\u652f\u6301\u4e0d\u540c\u7248\u672c\u7684NVIDIA\u663e\u5361\u548c\u64cd\u4f5c\u7cfb\u7edf\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u9009\u62e9\u3002<\/li>\n\n\n\n<li>\u663e\u5361\u9a71\u52a8\u7a0b\u5e8f\uff1aCUDA\u7f16\u7a0b\u9700\u8981\u5b89\u88c5\u9002\u5408\u7684\u663e\u5361\u9a71\u52a8\u7a0b\u5e8f\uff0c\u4ee5\u4fdd\u8bc1CUDA\u5de5\u5177\u5305\u548cNVIDIA\u663e\u5361\u4e4b\u95f4\u7684\u517c\u5bb9\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cCUDA\u5f00\u53d1\u73af\u5883\u642d\u5efa\u7684\u786c\u4ef6\u8981\u6c42\u5305\u62ec\u652f\u6301CUDA\u7684NVIDIA\u663e\u5361\u3001\u5145\u8db3\u7684\u7cfb\u7edf\u5185\u5b58\u548c\u663e\u5b58\u3001\u652f\u6301SSE2\u6307\u4ee4\u96c6\u548c64\u4f4d\u64cd\u4f5c\u7cfb\u7edf\u7684CPU\u3001\u9002\u5408\u7684\u64cd\u4f5c\u7cfb\u7edf\u3001CUDA\u5de5\u5177\u5305\u548c\u663e\u5361\u9a71\u52a8\u7a0b\u5e8f\u3002\u5728\u642d\u5efaCUDA\u5f00\u53d1\u73af\u5883\u65f6\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u9002\u5408\u7684\u786c\u4ef6\u548c\u8f6f\u4ef6\u73af\u5883\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u8ba1\u7b97\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u8f6f\u4ef6\u5b89\u88c5\u4e0e\u914d\u7f6e<\/p>\n\n\n\n<p>CUDA\u5f00\u53d1\u9700\u8981\u8fdb\u884c\u8f6f\u4ef6\u5b89\u88c5\u548c\u914d\u7f6e\uff0c\u5305\u62ec\u5b89\u88c5CUDA\u5de5\u5177\u5305\u3001\u663e\u5361\u9a71\u52a8\u7a0b\u5e8f\u548c\u76f8\u5173\u5f00\u53d1\u73af\u5883\uff0c\u4ee5\u4fbf\u8fdb\u884cCUDA\u7f16\u7a0b\u548c\u8c03\u8bd5\u3002\u4e0b\u9762\u662fCUDA\u8f6f\u4ef6\u5b89\u88c5\u548c\u914d\u7f6e\u7684\u8be6\u7ec6\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b89\u88c5\u663e\u5361\u9a71\u52a8\u7a0b\u5e8f\uff1a\u5728\u5b89\u88c5CUDA\u5de5\u5177\u5305\u4e4b\u524d\uff0c\u9700\u8981\u5148\u5b89\u88c5\u9002\u5408\u7684\u663e\u5361\u9a71\u52a8\u7a0b\u5e8f\uff0c\u4ee5\u4fdd\u8bc1CUDA\u5de5\u5177\u5305\u548cNVIDIA\u663e\u5361\u4e4b\u95f4\u7684\u517c\u5bb9\u6027\u548c\u7a33\u5b9a\u6027\u3002\u53ef\u4ee5\u5728NVIDIA\u5b98\u7f51\u4e0b\u8f7d\u5e76\u5b89\u88c5\u6700\u65b0\u7248\u672c\u7684\u663e\u5361\u9a71\u52a8\u7a0b\u5e8f\u3002<\/li>\n\n\n\n<li>\u4e0b\u8f7dCUDA\u5de5\u5177\u5305\uff1a\u53ef\u4ee5\u5728NVIDIA\u5b98\u7f51\u4e0b\u8f7d\u9002\u5408\u7684CUDA\u5de5\u5177\u5305\uff0c\u5982CUDA Toolkit\u3002\u4e0d\u540c\u7684CUDA\u5de5\u5177\u5305\u652f\u6301\u4e0d\u540c\u7248\u672c\u7684NVIDIA\u663e\u5361\u548c\u64cd\u4f5c\u7cfb\u7edf\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u9009\u62e9\u3002<\/li>\n\n\n\n<li>\u5b89\u88c5CUDA\u5de5\u5177\u5305\uff1a\u5728\u4e0b\u8f7d\u5b8cCUDA\u5de5\u5177\u5305\u540e\uff0c\u53ef\u4ee5\u76f4\u63a5\u53cc\u51fb\u5b89\u88c5\u7a0b\u5e8f\u8fdb\u884c\u5b89\u88c5\u3002\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u9700\u8981\u9009\u62e9\u5b89\u88c5\u8def\u5f84\u3001\u7ec4\u4ef6\u548c\u9009\u9879\u7b49\u3002\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u9700\u8981\u5c06CUDA\u7684\u73af\u5883\u53d8\u91cf\u6dfb\u52a0\u5230\u7cfb\u7edf\u7684PATH\u4e2d\uff0c\u4ee5\u4fbf\u5728\u547d\u4ee4\u884c\u4e2d\u4f7f\u7528CUDA\u5de5\u5177\u3002<\/li>\n\n\n\n<li>\u914d\u7f6e\u5f00\u53d1\u73af\u5883\uff1a\u5728\u8fdb\u884cCUDA\u5f00\u53d1\u4e4b\u524d\uff0c\u9700\u8981\u914d\u7f6e\u76f8\u5e94\u7684\u5f00\u53d1\u73af\u5883\uff0c\u5982\u7f16\u8bd1\u5668\u3001IDE\u548c\u8c03\u8bd5\u5668\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528\u652f\u6301CUDA\u7684\u7f16\u8bd1\u5668\uff0c\u5982Visual Studio\u3001Eclipse\u548cQt Creator\u7b49\uff0c\u4ee5\u53caCUDA\u63d0\u4f9b\u7684\u547d\u4ee4\u884c\u7f16\u8bd1\u5de5\u5177nvcc\u7b49\u3002\u540c\u65f6\uff0c\u8fd8\u9700\u8981\u914d\u7f6e\u9002\u5408\u7684\u8c03\u8bd5\u5668\u548c\u6027\u80fd\u5206\u6790\u5de5\u5177\uff0c\u5982NVIDIA Visual Profiler\u7b49\u3002<\/li>\n\n\n\n<li>\u7f16\u5199\u548c\u7f16\u8bd1CUDA\u7a0b\u5e8f\uff1a\u5728CUDA\u5f00\u53d1\u73af\u5883\u642d\u5efa\u548c\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u7f16\u5199\u548c\u7f16\u8bd1CUDA\u7a0b\u5e8f\u3002CUDA\u7a0b\u5e8f\u7684\u7f16\u5199\u9700\u8981\u9075\u5faaCUDA\u7f16\u7a0b\u6a21\u578b\u548c\u8bed\u6cd5\u89c4\u5219\uff0c\u53ef\u4ee5\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u5e93\u51fd\u6570\u548c\u5de5\u5177\u6765\u5b9e\u73b0\u5e76\u884c\u8ba1\u7b97\u548c\u6570\u636e\u4ea4\u6362\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cCUDA\u8f6f\u4ef6\u5b89\u88c5\u548c\u914d\u7f6e\u662f\u8fdb\u884cCUDA\u5f00\u53d1\u7684\u91cd\u8981\u6b65\u9aa4\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u9002\u5408\u7684\u663e\u5361\u9a71\u52a8\u7a0b\u5e8f\u3001CUDA\u5de5\u5177\u5305\u548c\u5f00\u53d1\u73af\u5883\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u8ba1\u7b97\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\u3002\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u9700\u8981\u9075\u5faaCUDA\u7f16\u7a0b\u6a21\u578b\u548c\u8bed\u6cd5\u89c4\u5219\uff0c\u4f7f\u7528\u5408\u9002\u7684\u5e93\u51fd\u6570\u548c\u5de5\u5177\u6765\u5b9e\u73b0\u5e76\u884c\u8ba1\u7b97\u548c\u6570\u636e\u4ea4\u6362\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u7f16\u5199\u7b2c\u4e00\u4e2aCUDA\u7a0b\u5e8f\u201cHello World\u201d\u5b9e\u4f8b<\/p>\n\n\n\n<p>\u201cHello World\u201d\u662f\u7a0b\u5e8f\u5458\u5728\u5b66\u4e60\u4e00\u95e8\u65b0\u7684\u7f16\u7a0b\u8bed\u8a00\u6216\u5e73\u53f0\u65f6\u7ecf\u5e38\u7f16\u5199\u7684\u7b2c\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u4e5f\u662fCUDA\u7f16\u7a0b\u5165\u95e8\u7684\u7b2c\u4e00\u6b65\u3002\u4e0b\u9762\u662f\u7f16\u5199\u7b2c\u4e00\u4e2aCUDA\u7a0b\u5e8f\u201cHello World\u201d\u7684\u5b9e\u4f8b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u521b\u5efaCUDA\u5de5\u7a0b\uff1a\u53ef\u4ee5\u4f7f\u7528\u652f\u6301CUDA\u7684\u7f16\u8bd1\u5668\u548cIDE\u521b\u5efa\u4e00\u4e2a\u65b0\u7684CUDA\u5de5\u7a0b\uff0c\u5982Visual Studio\u3001Eclipse\u548cQt Creator\u7b49\u3002<\/li>\n\n\n\n<li>\u7f16\u5199CUDA\u6838\u51fd\u6570\uff1a\u5728CUDA\u5de5\u7a0b\u4e2d\uff0c\u9700\u8981\u7f16\u5199\u4e00\u4e2aCUDA\u6838\u51fd\u6570\uff0c\u7528\u4e8e\u5728GPU\u4e0a\u6267\u884c\u8ba1\u7b97\u4efb\u52a1\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684CUDA\u6838\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">arduinoCopy code<code>__global__ void helloCUDA()\n{\n    printf(\"Hello CUDA!\\n\");\n}\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2aCUDA\u6838\u51fd\u6570\u4f7f\u7528\u4e86CUDA\u5173\u952e\u5b57\u201c<strong>global<\/strong>\u201d\uff0c\u8868\u793a\u5b83\u53ef\u4ee5\u5728GPU\u4e0a\u6267\u884c\u3002\u8be5\u51fd\u6570\u7684\u4e3b\u4f53\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u8f93\u51fa\u8bed\u53e5\uff0c\u7528\u4e8e\u8f93\u51fa\u201cHello CUDA!\u201d\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u8c03\u7528CUDA\u6838\u51fd\u6570\uff1a\u5728\u4e3b\u51fd\u6570\u4e2d\uff0c\u9700\u8981\u8c03\u7528\u521a\u521a\u7f16\u5199\u7684CUDA\u6838\u51fd\u6570\uff0c\u4ee5\u4fbf\u5728GPU\u4e0a\u6267\u884c\u8ba1\u7b97\u4efb\u52a1\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u8c03\u7528CUDA\u6838\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">csharpCopy code<code>int main()\n{\n    \/\/ \u8c03\u7528CUDA\u6838\u51fd\u6570\n    helloCUDA&lt;&lt;&lt;1,1&gt;&gt;&gt;();\n    \/\/ \u7b49\u5f85GPU\u8ba1\u7b97\u5b8c\u6210\n    cudaDeviceSynchronize();\n    return 0;\n}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u9996\u5148\u8c03\u7528\u4e86\u521a\u521a\u7f16\u5199\u7684CUDA\u6838\u51fd\u6570\u201chelloCUDA\u201d\uff0c\u5e76\u901a\u8fc7\u201c&lt;&lt;&lt;1,1&gt;&gt;&gt;\u201d\u7684\u65b9\u5f0f\u6307\u5b9a\u4e86\u7ebf\u7a0b\u5757\u5927\u5c0f\u548c\u7f51\u683c\u5927\u5c0f\u3002\u7136\u540e\uff0c\u901a\u8fc7\u201ccudaDeviceSynchronize()\u201d\u51fd\u6570\u7b49\u5f85GPU\u8ba1\u7b97\u5b8c\u6210\uff0c\u6700\u540e\u8fd4\u56de0\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u7f16\u8bd1\u548c\u8fd0\u884cCUDA\u7a0b\u5e8f\uff1a\u5728\u7f16\u5199\u5b8cCUDA\u7a0b\u5e8f\u540e\uff0c\u9700\u8981\u8fdb\u884c\u7f16\u8bd1\u548c\u8fd0\u884c\u3002\u53ef\u4ee5\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u547d\u4ee4\u884c\u7f16\u8bd1\u5de5\u5177\u201cnvcc\u201d\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">Copy code<code>nvcc -o helloCUDA helloCUDA.cu\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u6761\u547d\u4ee4\u5c06\u7f16\u8bd1\u201chelloCUDA.cu\u201d\u6587\u4ef6\uff0c\u5e76\u751f\u6210\u53ef\u6267\u884c\u6587\u4ef6\u201chelloCUDA\u201d\u3002\u7136\u540e\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fd0\u884c\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code>.\/helloCUDA\n<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u7a0b\u5e8f\u540e\uff0c\u5c06\u4f1a\u5728\u7ec8\u7aef\u8f93\u51fa\u201cHello CUDA!\u201d\uff0c\u8868\u793aCUDA\u7a0b\u5e8f\u8fd0\u884c\u6210\u529f\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u7f16\u5199\u7b2c\u4e00\u4e2aCUDA\u7a0b\u5e8f\u201cHello World\u201d\u662f\u8fdb\u884cCUDA\u7f16\u7a0b\u5165\u95e8\u7684\u91cd\u8981\u6b65\u9aa4\uff0c\u9700\u8981\u4e86\u89e3CUDA\u7f16\u7a0b\u6a21\u578b\u548c\u8bed\u6cd5\u89c4\u5219\uff0c\u5e76\u4f7f\u7528\u5408\u9002\u7684\u7f16\u8bd1\u5668\u548cIDE\u6765\u521b\u5efaCUDA\u5de5\u7a0b\u3002\u5728\u7f16\u5199CUDA\u7a0b\u5e8f\u65f6\uff0c\u9700\u8981\u7f16\u5199CUDA\u6838\u51fd\u6570\u548c\u8c03\u7528CUDA\u6838\u51fd\u6570\uff0c\u4ee5\u4fbf\u5728GPU\u4e0a\u6267\u884c\u8ba1\u7b97\u4efb\u52a1\u3002\u540c\u65f6\uff0c\u8fd8\u9700\u8981\u8fdb\u884c\u7f16\u8bd1\u548c\u8fd0\u884c\uff0c\u4ee5\u9a8c\u8bc1CUDA\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u6027\u80fd\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCUDA\u6838\u51fd\u6570\u7684\u7f16\u5199<\/p>\n\n\n\n<p>CUDA\u6838\u51fd\u6570\u662f\u5728GPU\u4e0a\u6267\u884c\u7684\u51fd\u6570\uff0c\u5b83\u662fCUDA\u7f16\u7a0b\u4e2d\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u4e0b\u9762\u662fCUDA\u6838\u51fd\u6570\u7684\u7f16\u5199\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u51fd\u6570\u58f0\u660e\uff1a\u5728\u7f16\u5199CUDA\u6838\u51fd\u6570\u65f6\uff0c\u9700\u8981\u5728\u51fd\u6570\u540d\u524d\u6dfb\u52a0\u5173\u952e\u5b57\u201c<strong>global<\/strong>\u201d\uff0c\u4ee5\u8868\u660e\u8be5\u51fd\u6570\u53ef\u4ee5\u5728GPU\u4e0a\u6267\u884c\u3002\u51fd\u6570\u7684\u8fd4\u56de\u503c\u7c7b\u578b\u5fc5\u987b\u4e3avoid\uff0c\u53c2\u6570\u5217\u8868\u53ef\u4ee5\u5305\u62ec\u57fa\u672c\u7c7b\u578b\u3001\u6307\u9488\u548c\u6570\u7ec4\u7b49\u7c7b\u578b\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">typescriptCopy code<code>__global__ void kernel_name(type arg1, type arg2, ...)\n{\n    \/\/ CUDA\u6838\u51fd\u6570\u4e3b\u4f53\u90e8\u5206\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u8bbf\u95ee\u5185\u5b58\uff1a\u5728CUDA\u6838\u51fd\u6570\u4e2d\uff0c\u53ef\u4ee5\u8bbf\u95ee\u591a\u79cd\u7c7b\u578b\u7684\u5185\u5b58\uff0c\u5982\u5168\u5c40\u5185\u5b58\u3001\u5171\u4eab\u5185\u5b58\u3001\u5e38\u91cf\u5185\u5b58\u548c\u7eb9\u7406\u5185\u5b58\u7b49\u3002\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u9002\u5408\u7684\u5185\u5b58\u7c7b\u578b\uff0c\u5e76\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u5185\u5b58\u8bbf\u95ee\u51fd\u6570\u6765\u8bfb\u5199\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u5e76\u884c\u8ba1\u7b97\uff1aCUDA\u6838\u51fd\u6570\u662f\u5728GPU\u4e0a\u5e76\u884c\u6267\u884c\u7684\uff0c\u53ef\u4ee5\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u5e76\u884c\u8ba1\u7b97\u6a21\u578b\u548c\u8bed\u6cd5\u89c4\u5219\uff0c\u5982\u7ebf\u7a0b\u3001\u7ebf\u7a0b\u5757\u548c\u7f51\u683c\u7b49\u3002\u7a0b\u5e8f\u5458\u9700\u8981\u5408\u7406\u5730\u5206\u914d\u548c\u7ba1\u7406\u7ebf\u7a0b\u548c\u7ebf\u7a0b\u5757\uff0c\u4ee5\u5145\u5206\u5229\u7528GPU\u7684\u8ba1\u7b97\u8d44\u6e90\u548c\u63d0\u9ad8\u8ba1\u7b97\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u9519\u8bef\u5904\u7406\uff1a\u5728CUDA\u6838\u51fd\u6570\u4e2d\uff0c\u53ef\u80fd\u4f1a\u53d1\u751f\u591a\u79cd\u7c7b\u578b\u7684\u9519\u8bef\uff0c\u5982\u5185\u5b58\u8bbf\u95ee\u9519\u8bef\u3001\u5e76\u884c\u8ba1\u7b97\u9519\u8bef\u548c\u8bbe\u5907\u9519\u8bef\u7b49\u3002\u7a0b\u5e8f\u5458\u9700\u8981\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u9519\u8bef\u5904\u7406\u51fd\u6570\u6765\u6355\u83b7\u548c\u5904\u7406\u9519\u8bef\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u8c03\u8bd5\u548c\u4f18\u5316\uff1a\u5728\u7f16\u5199CUDA\u6838\u51fd\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u8c03\u8bd5\u5de5\u5177\u548c\u6027\u80fd\u5206\u6790\u5de5\u5177\u6765\u8c03\u8bd5\u548c\u4f18\u5316\u7a0b\u5e8f\uff0c\u5982CUDA-GDB\u548cNVIDIA Visual Profiler\u7b49\u3002\u8fd9\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u7a0b\u5e8f\u5458\u627e\u51fa\u7a0b\u5e8f\u4e2d\u7684\u9519\u8bef\u548c\u6027\u80fd\u74f6\u9888\uff0c\u4ee5\u4fbf\u8fdb\u4e00\u6b65\u4f18\u5316\u7a0b\u5e8f\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cCUDA\u6838\u51fd\u6570\u7684\u7f16\u5199\u662f\u8fdb\u884cCUDA\u7f16\u7a0b\u7684\u91cd\u8981\u6b65\u9aa4\uff0c\u9700\u8981\u4e86\u89e3CUDA\u7f16\u7a0b\u6a21\u578b\u548c\u8bed\u6cd5\u89c4\u5219\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u9002\u5408\u7684\u5185\u5b58\u7c7b\u578b\u548c\u5e76\u884c\u8ba1\u7b97\u6a21\u578b\u3002\u5728\u7f16\u5199CUDA\u6838\u51fd\u6570\u65f6\uff0c\u9700\u8981\u8003\u8651\u9519\u8bef\u5904\u7406\u3001\u8c03\u8bd5\u548c\u4f18\u5316\u7b49\u65b9\u9762\u7684\u95ee\u9898\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u6027\u80fd\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCUDA\u6838\u51fd\u6570\u7684\u8c03\u7528<\/p>\n\n\n\n<p>\u5728CUDA\u7f16\u7a0b\u4e2d\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u901a\u8fc7\u4e3b\u51fd\u6570\u6765\u8c03\u7528CUDA\u6838\u51fd\u6570\uff0c\u5e76\u5728GPU\u4e0a\u6267\u884c\u8ba1\u7b97\u4efb\u52a1\u3002\u4e0b\u9762\u662fCUDA\u6838\u51fd\u6570\u7684\u8c03\u7528\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7ebf\u7a0b\u548c\u7ebf\u7a0b\u5757\u7684\u5206\u914d\uff1a\u5728\u8c03\u7528CUDA\u6838\u51fd\u6570\u4e4b\u524d\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u5206\u914d\u7ebf\u7a0b\u548c\u7ebf\u7a0b\u5757\uff0c\u4ee5\u5145\u5206\u5229\u7528GPU\u7684\u8ba1\u7b97\u8d44\u6e90\u548c\u63d0\u9ad8\u8ba1\u7b97\u6548\u7387\u3002\u7ebf\u7a0b\u548c\u7ebf\u7a0b\u5757\u7684\u6570\u91cf\u548c\u5927\u5c0f\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u9009\u62e9\uff0c\u5e76\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u8bed\u6cd5\u89c4\u5219\u6765\u6307\u5b9a\u7ebf\u7a0b\u548c\u7ebf\u7a0b\u5757\u7684\u6570\u91cf\u548c\u5927\u5c0f\u3002<\/li>\n\n\n\n<li>\u8c03\u7528CUDA\u6838\u51fd\u6570\uff1a\u5728\u4e3b\u51fd\u6570\u4e2d\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u6765\u8c03\u7528CUDA\u6838\u51fd\u6570\uff0c\u5e76\u5728GPU\u4e0a\u6267\u884c\u8ba1\u7b97\u4efb\u52a1\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code>kernel_name&lt;&lt;&lt;grid_size, block_size&gt;&gt;&gt;(arg1, arg2, ...)\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0ckernel_name\u8868\u793aCUDA\u6838\u51fd\u6570\u7684\u540d\u79f0\uff0c&lt;&lt;&lt;grid_size, block_size&gt;&gt;&gt;\u8868\u793a\u7ebf\u7a0b\u5757\u548c\u7f51\u683c\u7684\u6570\u91cf\u548c\u5927\u5c0f\uff0carg1\u3001arg2\u7b49\u8868\u793aCUDA\u6838\u51fd\u6570\u7684\u53c2\u6570\u5217\u8868\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u7b49\u5f85GPU\u8ba1\u7b97\u5b8c\u6210\uff1a\u5728\u4e3b\u51fd\u6570\u4e2d\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u51fd\u6570\u6765\u7b49\u5f85GPU\u8ba1\u7b97\u4efb\u52a1\u5b8c\u6210\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002\u901a\u5e38\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\u6765\u7b49\u5f85GPU\u8ba1\u7b97\u4efb\u52a1\u5b8c\u6210\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>cudaDeviceSynchronize()\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u8bed\u53e5\u5c06\u7b49\u5f85GPU\u4e0a\u6240\u6709\u8ba1\u7b97\u4efb\u52a1\u5b8c\u6210\u540e\u624d\u8fd4\u56de\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u9519\u8bef\u5904\u7406\uff1a\u5728\u8c03\u7528CUDA\u6838\u51fd\u6570\u65f6\uff0c\u53ef\u80fd\u4f1a\u53d1\u751f\u591a\u79cd\u7c7b\u578b\u7684\u9519\u8bef\uff0c\u5982\u5185\u5b58\u8bbf\u95ee\u9519\u8bef\u3001\u5e76\u884c\u8ba1\u7b97\u9519\u8bef\u548c\u8bbe\u5907\u9519\u8bef\u7b49\u3002\u7a0b\u5e8f\u5458\u9700\u8981\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u9519\u8bef\u5904\u7406\u51fd\u6570\u6765\u6355\u83b7\u548c\u5904\u7406\u9519\u8bef\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cCUDA\u6838\u51fd\u6570\u7684\u8c03\u7528\u662f\u8fdb\u884cCUDA\u7f16\u7a0b\u7684\u91cd\u8981\u6b65\u9aa4\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u5206\u914d\u7ebf\u7a0b\u548c\u7ebf\u7a0b\u5757\uff0c\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u8bed\u6cd5\u89c4\u5219\u6765\u6307\u5b9a\u7ebf\u7a0b\u548c\u7ebf\u7a0b\u5757\u7684\u6570\u91cf\u548c\u5927\u5c0f\u3002\u5728\u8c03\u7528CUDA\u6838\u51fd\u6570\u65f6\uff0c\u9700\u8981\u7b49\u5f85GPU\u8ba1\u7b97\u4efb\u52a1\u5b8c\u6210\uff0c\u5e76\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u9519\u8bef\u5904\u7406\u51fd\u6570\u6765\u6355\u83b7\u548c\u5904\u7406\u9519\u8bef\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4ee3\u7801\u89e3\u6790<\/p>\n\n\n\n<p>\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u5bf9\u4ee3\u7801\u8fdb\u884c\u89e3\u6790\uff0c\u4ee5\u4e86\u89e3\u4ee3\u7801\u7684\u7ed3\u6784\u3001\u903b\u8f91\u548c\u5b9e\u73b0\u7ec6\u8282\u3002\u4e0b\u9762\u662fCUDA\u4ee3\u7801\u89e3\u6790\u7684\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e86\u89e3\u4ee3\u7801\u7ed3\u6784\uff1a\u5728\u8fdb\u884cCUDA\u4ee3\u7801\u89e3\u6790\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u9996\u5148\u4e86\u89e3\u4ee3\u7801\u7684\u7ed3\u6784\u548c\u7ec4\u6210\u90e8\u5206\uff0c\u5982\u4e3b\u51fd\u6570\u3001CUDA\u6838\u51fd\u6570\u548c\u5176\u4ed6\u51fd\u6570\u7b49\u3002\u540c\u65f6\uff0c\u8fd8\u9700\u8981\u4e86\u89e3\u4ee3\u7801\u7684\u6ce8\u91ca\u548c\u8bf4\u660e\u6587\u6863\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u4ee3\u7801\u7684\u529f\u80fd\u548c\u5b9e\u73b0\u65b9\u5f0f\u3002<\/li>\n\n\n\n<li>\u7406\u89e3\u53d8\u91cf\u548c\u6570\u636e\u7c7b\u578b\uff1a\u5728CUDA\u4ee3\u7801\u4e2d\uff0c\u53ef\u80fd\u4f1a\u6d89\u53ca\u591a\u79cd\u7c7b\u578b\u7684\u53d8\u91cf\u548c\u6570\u636e\u7c7b\u578b\uff0c\u5982\u6574\u578b\u3001\u6d6e\u70b9\u578b\u3001\u6307\u9488\u548c\u6570\u7ec4\u7b49\u3002\u7a0b\u5e8f\u5458\u9700\u8981\u7406\u89e3\u6bcf\u79cd\u53d8\u91cf\u548c\u6570\u636e\u7c7b\u578b\u7684\u5b9a\u4e49\u548c\u7528\u6cd5\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u4ee3\u7801\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002<\/li>\n\n\n\n<li>\u7406\u89e3\u5185\u5b58\u7ba1\u7406\uff1a\u5728CUDA\u4ee3\u7801\u4e2d\uff0c\u53ef\u80fd\u4f1a\u6d89\u53ca\u591a\u79cd\u7c7b\u578b\u7684\u5185\u5b58\u7ba1\u7406\uff0c\u5982\u5168\u5c40\u5185\u5b58\u3001\u5171\u4eab\u5185\u5b58\u3001\u5e38\u91cf\u5185\u5b58\u548c\u7eb9\u7406\u5185\u5b58\u7b49\u3002\u7a0b\u5e8f\u5458\u9700\u8981\u7406\u89e3\u6bcf\u79cd\u5185\u5b58\u7ba1\u7406\u7684\u7279\u70b9\u548c\u7528\u6cd5\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7ba1\u7406\u548c\u4f7f\u7528\u5185\u5b58\u3002<\/li>\n\n\n\n<li>\u7406\u89e3\u5e76\u884c\u8ba1\u7b97\u6a21\u578b\uff1a\u5728CUDA\u4ee3\u7801\u4e2d\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u5e76\u884c\u8ba1\u7b97\u6a21\u578b\u548c\u8bed\u6cd5\u89c4\u5219\uff0c\u5982\u7ebf\u7a0b\u3001\u7ebf\u7a0b\u5757\u548c\u7f51\u683c\u7b49\u3002\u7a0b\u5e8f\u5458\u9700\u8981\u7406\u89e3\u5e76\u884c\u8ba1\u7b97\u6a21\u578b\u7684\u7279\u70b9\u548c\u7528\u6cd5\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u8fdb\u884c\u5e76\u884c\u8ba1\u7b97\u548c\u4f18\u5316\u7a0b\u5e8f\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u8c03\u8bd5\u548c\u4f18\u5316\u4ee3\u7801\uff1a\u5728\u8fdb\u884cCUDA\u4ee3\u7801\u89e3\u6790\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u8c03\u8bd5\u5de5\u5177\u548c\u6027\u80fd\u5206\u6790\u5de5\u5177\u6765\u8c03\u8bd5\u548c\u4f18\u5316\u7a0b\u5e8f\uff0c\u5982CUDA-GDB\u548cNVIDIA Visual Profiler\u7b49\u3002\u8fd9\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u7a0b\u5e8f\u5458\u627e\u51fa\u7a0b\u5e8f\u4e2d\u7684\u9519\u8bef\u548c\u6027\u80fd\u74f6\u9888\uff0c\u4ee5\u4fbf\u8fdb\u4e00\u6b65\u4f18\u5316\u7a0b\u5e8f\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cCUDA\u4ee3\u7801\u89e3\u6790\u662f\u8fdb\u884cCUDA\u7f16\u7a0b\u7684\u91cd\u8981\u6b65\u9aa4\uff0c\u9700\u8981\u5bf9\u4ee3\u7801\u7684\u7ed3\u6784\u3001\u53d8\u91cf\u548c\u6570\u636e\u7c7b\u578b\u3001\u5185\u5b58\u7ba1\u7406\u548c\u5e76\u884c\u8ba1\u7b97\u6a21\u578b\u7b49\u65b9\u9762\u8fdb\u884c\u6df1\u5165\u7406\u89e3\u3002\u5728\u8fdb\u884cCUDA\u4ee3\u7801\u89e3\u6790\u65f6\uff0c\u9700\u8981\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u8c03\u8bd5\u5de5\u5177\u548c\u6027\u80fd\u5206\u6790\u5de5\u5177\u6765\u8c03\u8bd5\u548c\u4f18\u5316\u7a0b\u5e8f\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u6027\u80fd\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caGPU\u5185\u5b58\u5206\u914d<\/p>\n\n\n\n<p>\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u5bf9GPU\u5185\u5b58\u8fdb\u884c\u5206\u914d\u548c\u7ba1\u7406\uff0c\u4ee5\u4fbf\u5b58\u50a8\u6570\u636e\u548c\u8ba1\u7b97\u7ed3\u679c\u3002\u4e0b\u9762\u662fGPU\u5185\u5b58\u5206\u914d\u7684\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5168\u5c40\u5185\u5b58\u5206\u914d\uff1a\u5168\u5c40\u5185\u5b58\u662fGPU\u4e2d\u6700\u5e38\u7528\u7684\u5185\u5b58\u7c7b\u578b\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u6765\u5206\u914d\u548c\u91ca\u653e\u5168\u5c40\u5185\u5b58\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>cudaMalloc((void **)&amp;devPtr, size);\ncudaFree(devPtr);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0ccudaMalloc\u51fd\u6570\u7528\u4e8e\u5206\u914d\u5185\u5b58\uff0cdevPtr\u8868\u793a\u5206\u914d\u7684\u5185\u5b58\u6307\u9488\uff0csize\u8868\u793a\u5206\u914d\u7684\u5185\u5b58\u5927\u5c0f\u3002cudaFree\u51fd\u6570\u7528\u4e8e\u91ca\u653e\u5185\u5b58\uff0cdevPtr\u8868\u793a\u9700\u8981\u91ca\u653e\u7684\u5185\u5b58\u6307\u9488\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u5171\u4eab\u5185\u5b58\u5206\u914d\uff1a\u5171\u4eab\u5185\u5b58\u662fGPU\u4e2d\u4e00\u79cd\u9ad8\u901f\u7f13\u5b58\u5185\u5b58\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u6765\u5206\u914d\u548c\u91ca\u653e\u5171\u4eab\u5185\u5b58\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">arduinoCopy code<code>__shared__ float shMem[size];\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0c__shared__\u5173\u952e\u5b57\u8868\u793a\u4f7f\u7528\u5171\u4eab\u5185\u5b58\uff0csize\u8868\u793a\u5171\u4eab\u5185\u5b58\u7684\u5927\u5c0f\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u5e38\u91cf\u5185\u5b58\u5206\u914d\uff1a\u5e38\u91cf\u5185\u5b58\u662fGPU\u4e2d\u4e00\u79cd\u53ea\u8bfb\u5185\u5b58\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u6765\u5206\u914d\u5e38\u91cf\u5185\u5b58\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>__constant__ float constMem[size];\ncudaMemcpyToSymbol(constMem, hostMem, size);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0c__constant__\u5173\u952e\u5b57\u8868\u793a\u4f7f\u7528\u5e38\u91cf\u5185\u5b58\uff0csize\u8868\u793a\u5e38\u91cf\u5185\u5b58\u7684\u5927\u5c0f\uff0chostMem\u8868\u793a\u9700\u8981\u62f7\u8d1d\u7684\u6570\u636e\u3002\u4f7f\u7528cudaMemcpyToSymbol\u51fd\u6570\u53ef\u4ee5\u5c06\u4e3b\u673a\u5185\u5b58\u4e2d\u7684\u6570\u636e\u62f7\u8d1d\u5230\u5e38\u91cf\u5185\u5b58\u4e2d\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u7eb9\u7406\u5185\u5b58\u5206\u914d\uff1a\u7eb9\u7406\u5185\u5b58\u662fGPU\u4e2d\u4e00\u79cd\u4e13\u7528\u5185\u5b58\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u6765\u5206\u914d\u548c\u4f7f\u7528\u7eb9\u7406\u5185\u5b58\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">arduinoCopy code<code>texture&lt;float, 1, cudaReadModeElementType&gt; texMem;\ncudaBindTexture(NULL, texMem, devPtr, size);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0ctexture\u5173\u952e\u5b57\u8868\u793a\u4f7f\u7528\u7eb9\u7406\u5185\u5b58\uff0ccudaReadModeElementType\u8868\u793a\u8bfb\u53d6\u6a21\u5f0f\uff0cdevPtr\u8868\u793a\u6570\u636e\u6307\u9488\uff0csize\u8868\u793a\u6570\u636e\u5927\u5c0f\u3002\u4f7f\u7528cudaBindTexture\u51fd\u6570\u53ef\u4ee5\u5c06\u7eb9\u7406\u5185\u5b58\u7ed1\u5b9a\u5230\u76f8\u5e94\u7684\u6570\u636e\u4e0a\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cGPU\u5185\u5b58\u5206\u914d\u662f\u8fdb\u884cCUDA\u7f16\u7a0b\u7684\u91cd\u8981\u6b65\u9aa4\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u5185\u5b58\u7c7b\u578b\uff0c\u5e76\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u5185\u5b58\u5206\u914d\u51fd\u6570\u548c\u8bed\u6cd5\u89c4\u5219\u6765\u5206\u914d\u548c\u91ca\u653e\u5185\u5b58\u3002\u5728\u4f7f\u7528GPU\u5185\u5b58\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u5185\u5b58\u5927\u5c0f\u548c\u5185\u5b58\u7c7b\u578b\u7684\u9650\u5236\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6570\u636e\u4f20\u8f93<\/p>\n\n\n\n<p>\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u5728\u4e3b\u673a\u548cGPU\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\uff0c\u4ee5\u4fbf\u5b58\u50a8\u548c\u8ba1\u7b97\u6570\u636e\u3002\u4e0b\u9762\u662f\u6570\u636e\u4f20\u8f93\u7684\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e3b\u673a\u5230GPU\u7684\u6570\u636e\u4f20\u8f93\uff1a\u4e3b\u673a\u5230GPU\u7684\u6570\u636e\u4f20\u8f93\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u6765\u5b9e\u73b0\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>cudaMemcpy(devPtr, hostPtr, size, cudaMemcpyHostToDevice);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0cdevPtr\u8868\u793aGPU\u5185\u5b58\u6307\u9488\uff0chostPtr\u8868\u793a\u4e3b\u673a\u5185\u5b58\u6307\u9488\uff0csize\u8868\u793a\u9700\u8981\u4f20\u8f93\u7684\u6570\u636e\u5927\u5c0f\uff0ccudaMemcpyHostToDevice\u8868\u793a\u4f20\u8f93\u65b9\u5411\u3002\u4f7f\u7528cudaMemcpy\u51fd\u6570\u53ef\u4ee5\u5c06\u4e3b\u673a\u5185\u5b58\u4e2d\u7684\u6570\u636e\u62f7\u8d1d\u5230GPU\u5185\u5b58\u4e2d\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>GPU\u5230\u4e3b\u673a\u7684\u6570\u636e\u4f20\u8f93\uff1aGPU\u5230\u4e3b\u673a\u7684\u6570\u636e\u4f20\u8f93\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u6765\u5b9e\u73b0\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>cudaMemcpy(hostPtr, devPtr, size, cudaMemcpyDeviceToHost);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0cdevPtr\u8868\u793aGPU\u5185\u5b58\u6307\u9488\uff0chostPtr\u8868\u793a\u4e3b\u673a\u5185\u5b58\u6307\u9488\uff0csize\u8868\u793a\u9700\u8981\u4f20\u8f93\u7684\u6570\u636e\u5927\u5c0f\uff0ccudaMemcpyDeviceToHost\u8868\u793a\u4f20\u8f93\u65b9\u5411\u3002\u4f7f\u7528cudaMemcpy\u51fd\u6570\u53ef\u4ee5\u5c06GPU\u5185\u5b58\u4e2d\u7684\u6570\u636e\u62f7\u8d1d\u5230\u4e3b\u673a\u5185\u5b58\u4e2d\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>GPU\u5230GPU\u7684\u6570\u636e\u4f20\u8f93\uff1aGPU\u5230GPU\u7684\u6570\u636e\u4f20\u8f93\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u6765\u5b9e\u73b0\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>cudaMemcpyPeer(destPtr, destDeviceId, srcPtr, srcDeviceId, size);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0cdestPtr\u8868\u793a\u76ee\u6807GPU\u5185\u5b58\u6307\u9488\uff0cdestDeviceId\u8868\u793a\u76ee\u6807GPU\u8bbe\u5907ID\uff0csrcPtr\u8868\u793a\u6e90GPU\u5185\u5b58\u6307\u9488\uff0csrcDeviceId\u8868\u793a\u6e90GPU\u8bbe\u5907ID\uff0csize\u8868\u793a\u9700\u8981\u4f20\u8f93\u7684\u6570\u636e\u5927\u5c0f\u3002\u4f7f\u7528cudaMemcpyPeer\u51fd\u6570\u53ef\u4ee5\u5c06\u6e90GPU\u5185\u5b58\u4e2d\u7684\u6570\u636e\u62f7\u8d1d\u5230\u76ee\u6807GPU\u5185\u5b58\u4e2d\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u5f02\u6b65\u6570\u636e\u4f20\u8f93\uff1a\u5728\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u5f02\u6b65\u4f20\u8f93\u65b9\u5f0f\uff0c\u4ee5\u4fbf\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u51fd\u6570\u6765\u8fdb\u884c\u5f02\u6b65\u4f20\u8f93\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>cudaMemcpyAsync(destPtr, srcPtr, size, cudaMemcpyDeviceToHost, stream);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0cdestPtr\u8868\u793a\u76ee\u6807\u5185\u5b58\u6307\u9488\uff0csrcPtr\u8868\u793a\u6e90\u5185\u5b58\u6307\u9488\uff0csize\u8868\u793a\u9700\u8981\u4f20\u8f93\u7684\u6570\u636e\u5927\u5c0f\uff0ccudaMemcpyDeviceToHost\u8868\u793a\u4f20\u8f93\u65b9\u5411\uff0cstream\u8868\u793a\u4f20\u8f93\u6d41\u3002\u4f7f\u7528cudaMemcpyAsync\u51fd\u6570\u53ef\u4ee5\u5728\u6307\u5b9a\u7684\u4f20\u8f93\u6d41\u4e2d\u8fdb\u884c\u5f02\u6b65\u4f20\u8f93\uff0c\u4ee5\u5145\u5206\u5229\u7528GPU\u7684\u8ba1\u7b97\u8d44\u6e90\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u6570\u636e\u4f20\u8f93\u662f\u8fdb\u884cCUDA\u7f16\u7a0b\u7684\u91cd\u8981\u6b65\u9aa4\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u4f20\u8f93\u65b9\u5f0f\uff0c\u5e76\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u4f20\u8f93\u51fd\u6570\u548c\u8bed\u6cd5\u89c4\u5219\u6765\u4f20\u8f93\u6570\u636e\u3002\u5728\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u6570\u636e\u5927\u5c0f\u548c\u4f20\u8f93\u65b9\u5411\u7684\u9650\u5236\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002\u540c\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528CUDA\u63d0\u4f9b\u7684\u5f02\u6b65\u4f20\u8f93\u65b9\u5f0f\u6765\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u7edf\u4e00\u5185\u5b58<\/p>\n\n\n\n<p>\u7edf\u4e00\u5185\u5b58\u662fCUDA 6.0\u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\u5f15\u5165\u7684\u4e00\u9879\u65b0\u529f\u80fd\uff0c\u65e8\u5728\u7b80\u5316GPU\u5185\u5b58\u7ba1\u7406\u548c\u6570\u636e\u4f20\u8f93\uff0c\u63d0\u9ad8CUDA\u7f16\u7a0b\u7684\u6548\u7387\u548c\u7075\u6d3b\u6027\u3002\u4e0b\u9762\u662f\u7edf\u4e00\u5185\u5b58\u7684\u7279\u70b9\u548c\u4f7f\u7528\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7279\u70b9\uff1a\u7edf\u4e00\u5185\u5b58\u5c06\u4e3b\u673a\u5185\u5b58\u548cGPU\u5185\u5b58\u7edf\u4e00\u7ba1\u7406\uff0c\u7a0b\u5e8f\u5458\u4e0d\u9700\u8981\u663e\u5f0f\u5730\u5c06\u6570\u636e\u4f20\u8f93\u5230GPU\u5185\u5b58\u6216\u8005\u4eceGPU\u5185\u5b58\u4f20\u8f93\u56de\u4e3b\u673a\u5185\u5b58\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u901a\u8fc7\u8bbf\u95ee\u7edf\u4e00\u5185\u5b58\u6307\u9488\u6765\u8bfb\u5199\u6570\u636e\uff0cCUDA\u8fd0\u884c\u65f6\u7cfb\u7edf\u5c06\u81ea\u52a8\u8fdb\u884c\u5fc5\u8981\u7684\u6570\u636e\u4f20\u8f93\u548c\u5185\u5b58\u7ba1\u7406\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u65b9\u6cd5\uff1a\u5728\u4f7f\u7528\u7edf\u4e00\u5185\u5b58\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6765\u58f0\u660e\u548c\u5206\u914d\u7edf\u4e00\u5185\u5b58\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>cudaMallocManaged(&amp;ptr, size);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0c&amp;ptr\u8868\u793a\u7edf\u4e00\u5185\u5b58\u6307\u9488\u7684\u5730\u5740\uff0csize\u8868\u793a\u9700\u8981\u5206\u914d\u7684\u5185\u5b58\u5927\u5c0f\u3002\u4f7f\u7528cudaMallocManaged\u51fd\u6570\u53ef\u4ee5\u5728\u4e3b\u673a\u5185\u5b58\u548cGPU\u5185\u5b58\u4e2d\u81ea\u52a8\u5206\u914d\u7edf\u4e00\u5185\u5b58\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u7edf\u4e00\u5185\u5b58\u7684\u8bbf\u95ee\uff1a\u5728\u8bbf\u95ee\u7edf\u4e00\u5185\u5b58\u65f6\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u6765\u8bfb\u5199\u6570\u636e\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>ptr[i] = val;\nval = ptr[i];\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0cptr\u8868\u793a\u7edf\u4e00\u5185\u5b58\u6307\u9488\uff0ci\u8868\u793a\u6570\u7ec4\u4e0b\u6807\uff0cval\u8868\u793a\u6570\u636e\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u50cf\u8bbf\u95ee\u4e3b\u673a\u5185\u5b58\u4e00\u6837\u6765\u8bbf\u95ee\u7edf\u4e00\u5185\u5b58\uff0cCUDA\u8fd0\u884c\u65f6\u7cfb\u7edf\u5c06\u81ea\u52a8\u5904\u7406\u6570\u636e\u4f20\u8f93\u548c\u5185\u5b58\u7ba1\u7406\u7b49\u7ec6\u8282\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u7edf\u4e00\u5185\u5b58\u7684\u91ca\u653e\uff1a\u5728\u4f7f\u7528\u7edf\u4e00\u5185\u5b58\u540e\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6765\u91ca\u653e\u7edf\u4e00\u5185\u5b58\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>cudaFree(ptr);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0cptr\u8868\u793a\u7edf\u4e00\u5185\u5b58\u6307\u9488\u3002\u4f7f\u7528cudaFree\u51fd\u6570\u53ef\u4ee5\u91ca\u653e\u5df2\u5206\u914d\u7684\u7edf\u4e00\u5185\u5b58\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u7edf\u4e00\u5185\u5b58\u662fCUDA\u4e2d\u4e00\u9879\u91cd\u8981\u7684\u5185\u5b58\u7ba1\u7406\u6280\u672f\uff0c\u53ef\u4ee5\u5c06\u4e3b\u673a\u5185\u5b58\u548cGPU\u5185\u5b58\u7edf\u4e00\u7ba1\u7406\uff0c\u4ee5\u63d0\u9ad8CUDA\u7f16\u7a0b\u7684\u6548\u7387\u548c\u7075\u6d3b\u6027\u3002\u5728\u4f7f\u7528\u7edf\u4e00\u5185\u5b58\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u4f7f\u7528cudaMallocManaged\u51fd\u6570\u6765\u5206\u914d\u7edf\u4e00\u5185\u5b58\uff0c\u901a\u8fc7\u8bbf\u95ee\u7edf\u4e00\u5185\u5b58\u6307\u9488\u6765\u8bfb\u5199\u6570\u636e\uff0c\u5e76\u4f7f\u7528cudaFree\u51fd\u6570\u6765\u91ca\u653e\u7edf\u4e00\u5185\u5b58\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u7ebf\u7a0b\u540c\u6b65\u4e0e\u539f\u5b50\u64cd\u4f5c\u7684\u540c\u6b65\u539f\u8bed<\/p>\n\n\n\n<p>\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u5bf9\u7ebf\u7a0b\u8fdb\u884c\u540c\u6b65\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002\u7ebf\u7a0b\u540c\u6b65\u53ef\u4ee5\u901a\u8fc7\u539f\u5b50\u64cd\u4f5c\u7684\u540c\u6b65\u539f\u8bed\u6765\u5b9e\u73b0\uff0c\u4e0b\u9762\u662f\u539f\u5b50\u64cd\u4f5c\u7684\u540c\u6b65\u539f\u8bed\u7684\u8be6\u7ec6\u89e3\u91ca\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u539f\u5b50\u52a0\uff08atomicAdd\uff09\uff1a\u539f\u5b50\u52a0\u64cd\u4f5c\u53ef\u4ee5\u4fdd\u8bc1\u591a\u4e2a\u7ebf\u7a0b\u5bf9\u540c\u4e00\u4e2a\u53d8\u91cf\u8fdb\u884c\u52a0\u6cd5\u8fd0\u7b97\u65f6\uff0c\u4e0d\u4f1a\u51fa\u73b0\u7ade\u6001\u6761\u4ef6\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u539f\u5b50\u52a0\u64cd\u4f5c\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>atomicAdd(address, val);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0caddress\u8868\u793a\u9700\u8981\u8fdb\u884c\u539f\u5b50\u52a0\u64cd\u4f5c\u7684\u53d8\u91cf\u5730\u5740\uff0cval\u8868\u793a\u9700\u8981\u52a0\u7684\u6570\u503c\u3002\u539f\u5b50\u52a0\u64cd\u4f5c\u5c06\u5bf9\u53d8\u91cf\u7684\u503c\u8fdb\u884c\u539f\u5b50\u52a0\u8fd0\u7b97\uff0c\u5e76\u8fd4\u56de\u539f\u53d8\u91cf\u7684\u65e7\u503c\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u539f\u5b50\u51cf\uff08atomicSub\uff09\uff1a\u539f\u5b50\u51cf\u64cd\u4f5c\u53ef\u4ee5\u4fdd\u8bc1\u591a\u4e2a\u7ebf\u7a0b\u5bf9\u540c\u4e00\u4e2a\u53d8\u91cf\u8fdb\u884c\u51cf\u6cd5\u8fd0\u7b97\u65f6\uff0c\u4e0d\u4f1a\u51fa\u73b0\u7ade\u6001\u6761\u4ef6\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u539f\u5b50\u51cf\u64cd\u4f5c\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>atomicSub(address, val);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0caddress\u8868\u793a\u9700\u8981\u8fdb\u884c\u539f\u5b50\u51cf\u64cd\u4f5c\u7684\u53d8\u91cf\u5730\u5740\uff0cval\u8868\u793a\u9700\u8981\u51cf\u7684\u6570\u503c\u3002\u539f\u5b50\u51cf\u64cd\u4f5c\u5c06\u5bf9\u53d8\u91cf\u7684\u503c\u8fdb\u884c\u539f\u5b50\u51cf\u8fd0\u7b97\uff0c\u5e76\u8fd4\u56de\u539f\u53d8\u91cf\u7684\u65e7\u503c\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u539f\u5b50\u4e0e\uff08atomicAnd\uff09\uff1a\u539f\u5b50\u4e0e\u64cd\u4f5c\u53ef\u4ee5\u4fdd\u8bc1\u591a\u4e2a\u7ebf\u7a0b\u5bf9\u540c\u4e00\u4e2a\u53d8\u91cf\u8fdb\u884c\u6309\u4f4d\u4e0e\u8fd0\u7b97\u65f6\uff0c\u4e0d\u4f1a\u51fa\u73b0\u7ade\u6001\u6761\u4ef6\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u539f\u5b50\u4e0e\u64cd\u4f5c\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>atomicAnd(address, val);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0caddress\u8868\u793a\u9700\u8981\u8fdb\u884c\u539f\u5b50\u4e0e\u64cd\u4f5c\u7684\u53d8\u91cf\u5730\u5740\uff0cval\u8868\u793a\u9700\u8981\u8fdb\u884c\u6309\u4f4d\u4e0e\u8fd0\u7b97\u7684\u6570\u503c\u3002\u539f\u5b50\u4e0e\u64cd\u4f5c\u5c06\u5bf9\u53d8\u91cf\u7684\u503c\u8fdb\u884c\u539f\u5b50\u6309\u4f4d\u4e0e\u8fd0\u7b97\uff0c\u5e76\u8fd4\u56de\u539f\u53d8\u91cf\u7684\u65e7\u503c\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u539f\u5b50\u6216\uff08atomicOr\uff09\uff1a\u539f\u5b50\u6216\u64cd\u4f5c\u53ef\u4ee5\u4fdd\u8bc1\u591a\u4e2a\u7ebf\u7a0b\u5bf9\u540c\u4e00\u4e2a\u53d8\u91cf\u8fdb\u884c\u6309\u4f4d\u6216\u8fd0\u7b97\u65f6\uff0c\u4e0d\u4f1a\u51fa\u73b0\u7ade\u6001\u6761\u4ef6\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u539f\u5b50\u6216\u64cd\u4f5c\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>atomicOr(address, val);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0caddress\u8868\u793a\u9700\u8981\u8fdb\u884c\u539f\u5b50\u6216\u64cd\u4f5c\u7684\u53d8\u91cf\u5730\u5740\uff0cval\u8868\u793a\u9700\u8981\u8fdb\u884c\u6309\u4f4d\u6216\u8fd0\u7b97\u7684\u6570\u503c\u3002\u539f\u5b50\u6216\u64cd\u4f5c\u5c06\u5bf9\u53d8\u91cf\u7684\u503c\u8fdb\u884c\u539f\u5b50\u6309\u4f4d\u6216\u8fd0\u7b97\uff0c\u5e76\u8fd4\u56de\u539f\u53d8\u91cf\u7684\u65e7\u503c\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u539f\u5b50\u64cd\u4f5c\u7684\u540c\u6b65\u539f\u8bed\u662fCUDA\u4e2d\u4e00\u79cd\u91cd\u8981\u7684\u7ebf\u7a0b\u540c\u6b65\u6280\u672f\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u591a\u4e2a\u7ebf\u7a0b\u5bf9\u540c\u4e00\u4e2a\u53d8\u91cf\u8fdb\u884c\u64cd\u4f5c\u65f6\uff0c\u4e0d\u4f1a\u51fa\u73b0\u7ade\u6001\u6761\u4ef6\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u539f\u5b50\u64cd\u4f5c\uff0c\u5e76\u4f7f\u7528\u76f8\u5e94\u7684\u8bed\u6cd5\u89c4\u5219\u6765\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u7ebf\u7a0b\u540c\u6b65\u4e0e\u539f\u5b50\u64cd\u4f5c\u7684\u539f\u5b50\u64cd\u4f5c<\/p>\n\n\n\n<p>\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u5bf9\u7ebf\u7a0b\u8fdb\u884c\u540c\u6b65\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002\u7ebf\u7a0b\u540c\u6b65\u53ef\u4ee5\u901a\u8fc7\u539f\u5b50\u64cd\u4f5c\u6765\u5b9e\u73b0\uff0c\u4e0b\u9762\u662f\u539f\u5b50\u64cd\u4f5c\u7684\u8be6\u7ec6\u89e3\u91ca\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u539f\u5b50\u52a0\uff08atomicAdd\uff09\uff1a\u539f\u5b50\u52a0\u64cd\u4f5c\u53ef\u4ee5\u4fdd\u8bc1\u591a\u4e2a\u7ebf\u7a0b\u5bf9\u540c\u4e00\u4e2a\u53d8\u91cf\u8fdb\u884c\u52a0\u6cd5\u8fd0\u7b97\u65f6\uff0c\u4e0d\u4f1a\u51fa\u73b0\u7ade\u6001\u6761\u4ef6\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u539f\u5b50\u52a0\u64cd\u4f5c\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>atomicAdd(address, val);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0caddress\u8868\u793a\u9700\u8981\u8fdb\u884c\u539f\u5b50\u52a0\u64cd\u4f5c\u7684\u53d8\u91cf\u5730\u5740\uff0cval\u8868\u793a\u9700\u8981\u52a0\u7684\u6570\u503c\u3002\u539f\u5b50\u52a0\u64cd\u4f5c\u5c06\u5bf9\u53d8\u91cf\u7684\u503c\u8fdb\u884c\u539f\u5b50\u52a0\u8fd0\u7b97\uff0c\u5e76\u8fd4\u56de\u539f\u53d8\u91cf\u7684\u65e7\u503c\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u539f\u5b50\u51cf\uff08atomicSub\uff09\uff1a\u539f\u5b50\u51cf\u64cd\u4f5c\u53ef\u4ee5\u4fdd\u8bc1\u591a\u4e2a\u7ebf\u7a0b\u5bf9\u540c\u4e00\u4e2a\u53d8\u91cf\u8fdb\u884c\u51cf\u6cd5\u8fd0\u7b97\u65f6\uff0c\u4e0d\u4f1a\u51fa\u73b0\u7ade\u6001\u6761\u4ef6\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u539f\u5b50\u51cf\u64cd\u4f5c\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>atomicSub(address, val);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0caddress\u8868\u793a\u9700\u8981\u8fdb\u884c\u539f\u5b50\u51cf\u64cd\u4f5c\u7684\u53d8\u91cf\u5730\u5740\uff0cval\u8868\u793a\u9700\u8981\u51cf\u7684\u6570\u503c\u3002\u539f\u5b50\u51cf\u64cd\u4f5c\u5c06\u5bf9\u53d8\u91cf\u7684\u503c\u8fdb\u884c\u539f\u5b50\u51cf\u8fd0\u7b97\uff0c\u5e76\u8fd4\u56de\u539f\u53d8\u91cf\u7684\u65e7\u503c\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u539f\u5b50\u4e0e\uff08atomicAnd\uff09\uff1a\u539f\u5b50\u4e0e\u64cd\u4f5c\u53ef\u4ee5\u4fdd\u8bc1\u591a\u4e2a\u7ebf\u7a0b\u5bf9\u540c\u4e00\u4e2a\u53d8\u91cf\u8fdb\u884c\u6309\u4f4d\u4e0e\u8fd0\u7b97\u65f6\uff0c\u4e0d\u4f1a\u51fa\u73b0\u7ade\u6001\u6761\u4ef6\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u539f\u5b50\u4e0e\u64cd\u4f5c\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>atomicAnd(address, val);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0caddress\u8868\u793a\u9700\u8981\u8fdb\u884c\u539f\u5b50\u4e0e\u64cd\u4f5c\u7684\u53d8\u91cf\u5730\u5740\uff0cval\u8868\u793a\u9700\u8981\u8fdb\u884c\u6309\u4f4d\u4e0e\u8fd0\u7b97\u7684\u6570\u503c\u3002\u539f\u5b50\u4e0e\u64cd\u4f5c\u5c06\u5bf9\u53d8\u91cf\u7684\u503c\u8fdb\u884c\u539f\u5b50\u6309\u4f4d\u4e0e\u8fd0\u7b97\uff0c\u5e76\u8fd4\u56de\u539f\u53d8\u91cf\u7684\u65e7\u503c\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u539f\u5b50\u6216\uff08atomicOr\uff09\uff1a\u539f\u5b50\u6216\u64cd\u4f5c\u53ef\u4ee5\u4fdd\u8bc1\u591a\u4e2a\u7ebf\u7a0b\u5bf9\u540c\u4e00\u4e2a\u53d8\u91cf\u8fdb\u884c\u6309\u4f4d\u6216\u8fd0\u7b97\u65f6\uff0c\u4e0d\u4f1a\u51fa\u73b0\u7ade\u6001\u6761\u4ef6\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u539f\u5b50\u6216\u64cd\u4f5c\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>atomicOr(address, val);\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0caddress\u8868\u793a\u9700\u8981\u8fdb\u884c\u539f\u5b50\u6216\u64cd\u4f5c\u7684\u53d8\u91cf\u5730\u5740\uff0cval\u8868\u793a\u9700\u8981\u8fdb\u884c\u6309\u4f4d\u6216\u8fd0\u7b97\u7684\u6570\u503c\u3002\u539f\u5b50\u6216\u64cd\u4f5c\u5c06\u5bf9\u53d8\u91cf\u7684\u503c\u8fdb\u884c\u539f\u5b50\u6309\u4f4d\u6216\u8fd0\u7b97\uff0c\u5e76\u8fd4\u56de\u539f\u53d8\u91cf\u7684\u65e7\u503c\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u539f\u5b50\u64cd\u4f5c\u662fCUDA\u4e2d\u4e00\u79cd\u91cd\u8981\u7684\u7ebf\u7a0b\u540c\u6b65\u6280\u672f\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u591a\u4e2a\u7ebf\u7a0b\u5bf9\u540c\u4e00\u4e2a\u53d8\u91cf\u8fdb\u884c\u64cd\u4f5c\u65f6\uff0c\u4e0d\u4f1a\u51fa\u73b0\u7ade\u6001\u6761\u4ef6\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u539f\u5b50\u64cd\u4f5c\uff0c\u5e76\u4f7f\u7528\u76f8\u5e94\u7684\u8bed\u6cd5\u89c4\u5219\u6765\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u7ebf\u7a0b\u540c\u6b65\u4e0e\u539f\u5b50\u64cd\u4f5c\u7684\u5b9e\u4f8b\u5206\u6790<\/p>\n\n\n\n<p>\u4e0b\u9762\u4ee5\u4e00\u4e2a\u5b9e\u4f8b\u6765\u8be6\u7ec6\u89e3\u91ca\u7ebf\u7a0b\u540c\u6b65\u548c\u539f\u5b50\u64cd\u4f5c\u7684\u5e94\u7528\uff1a<\/p>\n\n\n\n<p>\u5047\u8bbe\u6709\u4e00\u4e2aCUDA\u7a0b\u5e8f\u9700\u8981\u5bf9\u4e00\u4e2a\u6570\u7ec4\u8fdb\u884c\u5e76\u884c\u6c42\u548c\u64cd\u4f5c\uff0c\u5176\u4e2d\u6bcf\u4e2a\u7ebf\u7a0b\u9700\u8981\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u5143\u7d20\uff0c\u8ba1\u7b97\u5176\u8d21\u732e\u540e\u5c06\u5176\u7d2f\u52a0\u5230\u603b\u548c\u4e2d\u3002\u5728\u8fdb\u884c\u5e76\u884c\u6c42\u548c\u64cd\u4f5c\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u6ce8\u610f\u7ebf\u7a0b\u540c\u6b65\u548c\u539f\u5b50\u64cd\u4f5c\u7b49\u95ee\u9898\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u6570\u7ec4A\uff0c\u5176\u4e2d\u5305\u542bn\u4e2a\u5143\u7d20\uff0c\u9700\u8981\u5bf9\u8fd9\u4e2a\u6570\u7ec4\u8fdb\u884c\u5e76\u884c\u6c42\u548c\u64cd\u4f5c\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cCopy code<code>__global__ void sum_kernel(int *A, int *sum)\n{\n    __shared__ int sdata[256];\n    int tid = threadIdx.x;\n    int i = blockIdx.x * blockDim.x + threadIdx.x;\n    sdata[tid] = A[i];\n    __syncthreads();\n\n    for (unsigned int s = blockDim.x \/ 2; s &gt; 0; s &gt;&gt;= 1) {\n        if (tid &lt; s) {\n            sdata[tid] += sdata[tid + s];\n        }\n        __syncthreads();\n    }\n    if (tid == 0) {\n        atomicAdd(sum, sdata[0]);\n    }\n}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4ee3\u7801\u4e2d\uff0c\u7a0b\u5e8f\u5458\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3asum_kernel\u7684\u6838\u51fd\u6570\uff0c\u7528\u4e8e\u5b9e\u73b0\u5e76\u884c\u6c42\u548c\u64cd\u4f5c\u3002sum_kernel\u51fd\u6570\u6709\u4e24\u4e2a\u53c2\u6570\uff0c\u5206\u522b\u662f\u6570\u7ec4A\u548c\u603b\u548csum\u3002\u5728\u51fd\u6570\u5185\u90e8\uff0c\u7a0b\u5e8f\u5458\u4f7f\u7528__shared__\u5173\u952e\u5b57\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3asdata\u7684\u5171\u4eab\u5185\u5b58\u6570\u7ec4\uff0c\u7528\u4e8e\u5728\u6bcf\u4e2a\u7ebf\u7a0b\u5757\u5185\u90e8\u4fdd\u5b58\u6bcf\u4e2a\u7ebf\u7a0b\u6240\u9700\u8981\u8bbf\u95ee\u7684\u5143\u7d20\u3002\u7a0b\u5e8f\u5458\u9996\u5148\u5c06\u6570\u7ec4A\u4e2d\u7684\u5143\u7d20\u62f7\u8d1d\u5230sdata\u6570\u7ec4\u4e2d\uff0c\u7136\u540e\u4f7f\u7528__syncthreads\u51fd\u6570\u5bf9\u7ebf\u7a0b\u8fdb\u884c\u540c\u6b65\uff0c\u4ee5\u786e\u4fdd\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u5df2\u7ecf\u8bfb\u53d6\u4e86\u9700\u8981\u8bbf\u95ee\u7684\u6570\u636e\u3002\u63a5\u7740\uff0c\u7a0b\u5e8f\u5458\u4f7f\u7528for\u5faa\u73af\u5b9e\u73b0\u7ebf\u7a0b\u5757\u5185\u7684\u5e76\u884c\u6c42\u548c\u64cd\u4f5c\u3002\u5728\u5faa\u73af\u4e2d\uff0c\u7a0b\u5e8f\u5458\u4f7f\u7528if\u8bed\u53e5\u5bf9\u4e0d\u540c\u7684\u7ebf\u7a0b\u8fdb\u884c\u5206\u7ec4\uff0c\u5c06sdata\u6570\u7ec4\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u7d2f\u52a0\u64cd\u4f5c\u3002\u6700\u540e\uff0c\u7a0b\u5e8f\u5458\u4f7f\u7528\u539f\u5b50\u64cd\u4f5c\u7684\u540c\u6b65\u539f\u8bedatomicAdd\u5bf9\u603b\u548csum\u8fdb\u884c\u7d2f\u52a0\u64cd\u4f5c\uff0c\u4ee5\u4fdd\u8bc1\u591a\u4e2a\u7ebf\u7a0b\u5bf9\u603b\u548c\u7684\u8bbf\u95ee\u4e0d\u4f1a\u51fa\u73b0\u7ade\u6001\u6761\u4ef6\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u6ce8\u610f\u7ebf\u7a0b\u540c\u6b65\u548c\u539f\u5b50\u64cd\u4f5c\u7b49\u95ee\u9898\uff0c\u4ee5\u4fdd\u8bc1CUDA\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002\u5728\u5b9e\u73b0\u5e76\u884c\u8ba1\u7b97\u65f6\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528__shared__\u5173\u952e\u5b57\u5b9a\u4e49\u5171\u4eab\u5185\u5b58\u6570\u7ec4\uff0c\u5728\u6838\u51fd\u6570\u5185\u90e8\u4f7f\u7528__syncthreads\u51fd\u6570\u8fdb\u884c\u7ebf\u7a0b\u540c\u6b65\uff0c\u5728\u8fdb\u884c\u539f\u5b50\u64cd\u4f5c\u65f6\u4f7f\u7528\u76f8\u5e94\u7684\u539f\u5b50\u64cd\u4f5c\u51fd\u6570\u6765\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5185\u5b58\u8bbf\u95ee\u4f18\u5316<\/p>\n\n\n\n<p>\u5185\u5b58\u8bbf\u95ee\u4f18\u5316\u662fCUDA\u7f16\u7a0b\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u4e3b\u9898\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u5185\u5b58\u8bbf\u95ee\u4f18\u5316\u6280\u672f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5185\u5b58\u5bf9\u9f50\uff08Memory Alignment\uff09\uff1a\u5185\u5b58\u5bf9\u9f50\u662f\u6307\u5c06\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u65f6\uff0c\u4f7f\u5176\u5730\u5740\u80fd\u591f\u88ab\u76f8\u5e94\u7684\u6570\u636e\u7c7b\u578b\u6574\u9664\u3002\u5185\u5b58\u5bf9\u9f50\u53ef\u4ee5\u51cf\u5c11\u5185\u5b58\u8bbf\u95ee\u7684\u6b21\u6570\u548c\u5ef6\u8fdf\uff0c\u63d0\u9ad8\u5185\u5b58\u8bbf\u95ee\u7684\u6548\u7387\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528CUDA\u5185\u5b58\u5206\u914d\u51fd\u6570\u6765\u5206\u914d\u5185\u5b58\uff0c\u786e\u4fdd\u6570\u636e\u7684\u5185\u5b58\u5730\u5740\u6ee1\u8db3\u5185\u5b58\u5bf9\u9f50\u7684\u8981\u6c42\u3002<\/li>\n\n\n\n<li>\u5168\u5c40\u5185\u5b58\u8bbf\u95ee\u4f18\u5316\uff08Global Memory Access Optimization\uff09\uff1a\u5168\u5c40\u5185\u5b58\u8bbf\u95ee\u662fCUDA\u7a0b\u5e8f\u4e2d\u6700\u6162\u7684\u5185\u5b58\u8bbf\u95ee\u7c7b\u578b\u4e4b\u4e00\u3002\u4e3a\u4e86\u63d0\u9ad8\u5168\u5c40\u5185\u5b58\u8bbf\u95ee\u7684\u6548\u7387\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u6280\u5de7\uff0c\u5982\u5185\u5b58\u5171\u4eab\u3001\u7eb9\u7406\u5185\u5b58\u3001\u5e38\u91cf\u5185\u5b58\u7b49\u3002\u5185\u5b58\u5171\u4eab\u662f\u4e00\u79cd\u57fa\u4e8e\u5171\u4eab\u5185\u5b58\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u51cf\u5c11\u5168\u5c40\u5185\u5b58\u8bbf\u95ee\u7684\u6b21\u6570\u548c\u5ef6\u8fdf\u3002\u7eb9\u7406\u5185\u5b58\u662f\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u5168\u5c40\u5185\u5b58\uff0c\u53ef\u4ee5\u4f7f\u7528\u9ad8\u901f\u7f13\u5b58\u6765\u63d0\u9ad8\u5168\u5c40\u5185\u5b58\u8bbf\u95ee\u7684\u6548\u7387\u3002\u5e38\u91cf\u5185\u5b58\u662f\u4e00\u79cd\u53ea\u8bfb\u7684\u5168\u5c40\u5185\u5b58\uff0c\u53ef\u4ee5\u4f7f\u7528\u9ad8\u901f\u7f13\u5b58\u6765\u63d0\u9ad8\u5e38\u91cf\u5185\u5b58\u8bbf\u95ee\u7684\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u5c40\u90e8\u5185\u5b58\u8bbf\u95ee\u4f18\u5316\uff08Local Memory Access Optimization\uff09\uff1a\u5c40\u90e8\u5185\u5b58\u662f\u6307\u6bcf\u4e2a\u7ebf\u7a0b\u5757\u4e2d\u7684\u79c1\u6709\u5185\u5b58\uff0c\u901a\u5e38\u7528\u4e8e\u5b58\u50a8\u4e00\u4e9b\u4e2d\u95f4\u7ed3\u679c\u548c\u4e34\u65f6\u53d8\u91cf\u3002\u4e3a\u4e86\u63d0\u9ad8\u5c40\u90e8\u5185\u5b58\u8bbf\u95ee\u7684\u6548\u7387\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u6280\u5de7\uff0c\u5982\u4f7f\u7528__shared__\u5173\u952e\u5b57\u5b9a\u4e49\u5171\u4eab\u5185\u5b58\u3001\u4f7f\u7528\u5faa\u73af\u5c55\u5f00\u6280\u672f\u3001\u907f\u514d\u4f7f\u7528\u5206\u652f\u7b49\u3002\u5171\u4eab\u5185\u5b58\u662f\u4e00\u79cd\u57fa\u4e8e\u5c40\u90e8\u5185\u5b58\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u51cf\u5c11\u5c40\u90e8\u5185\u5b58\u8bbf\u95ee\u7684\u6b21\u6570\u548c\u5ef6\u8fdf\u3002\u5faa\u73af\u5c55\u5f00\u6280\u672f\u662f\u4e00\u79cd\u5c06\u5faa\u73af\u5c55\u5f00\u6210\u591a\u4e2a\u91cd\u590d\u8bed\u53e5\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u51cf\u5c11\u5206\u652f\u64cd\u4f5c\u548c\u51cf\u5c11\u5c40\u90e8\u5185\u5b58\u8bbf\u95ee\u7684\u6b21\u6570\u3002<\/li>\n\n\n\n<li>\u5bc4\u5b58\u5668\u5206\u914d\u4f18\u5316\uff08Register Allocation Optimization\uff09\uff1a\u5bc4\u5b58\u5668\u662fCPU\u548cGPU\u4e2d\u6700\u5feb\u7684\u5b58\u50a8\u5668\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7a0b\u5e8f\u7684\u8fd0\u884c\u901f\u5ea6\u3002\u4e3a\u4e86\u63d0\u9ad8\u5bc4\u5b58\u5668\u7684\u5229\u7528\u7387\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u6280\u5de7\uff0c\u5982\u51cf\u5c11\u53d8\u91cf\u7684\u4f7f\u7528\u3001\u4f7f\u7528\u5e38\u91cf\u548c\u5b8f\u5b9a\u4e49\u7b49\u3002\u540c\u65f6\uff0c\u7a0b\u5e8f\u5458\u8fd8\u53ef\u4ee5\u4f7f\u7528\u7f16\u8bd1\u5668\u7684\u4f18\u5316\u529f\u80fd\uff0c\u81ea\u52a8\u5c06\u4e00\u4e9b\u53d8\u91cf\u5206\u914d\u5230\u5bc4\u5b58\u5668\u4e2d\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5185\u5b58\u8bbf\u95ee\u4f18\u5316\u662fCUDA\u7f16\u7a0b\u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u4e3b\u9898\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u6ce8\u610f\u5185\u5b58\u5bf9\u9f50\u3001\u5168\u5c40\u5185\u5b58\u8bbf\u95ee<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u7ebf\u7a0b\u534f\u540c\u4f18\u5316<\/p>\n\n\n\n<p>\u7ebf\u7a0b\u534f\u540c\u4f18\u5316\u662f\u6307\u901a\u8fc7\u4f18\u5316\u7ebf\u7a0b\u5757\u5185\u7684\u7ebf\u7a0b\u534f\u540c\u5de5\u4f5c\uff0c\u4ece\u800c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u7ebf\u7a0b\u534f\u540c\u4f18\u5316\u6280\u672f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6805\u680f\u540c\u6b65\uff08Barrier Synchronization\uff09\uff1a\u6805\u680f\u540c\u6b65\u662f\u4e00\u79cd\u5c06\u7ebf\u7a0b\u5757\u5185\u7684\u7ebf\u7a0b\u540c\u6b65\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u786e\u4fdd\u6240\u6709\u7ebf\u7a0b\u90fd\u6267\u884c\u5230\u540c\u4e00\u4e2a\u4f4d\u7f6e\u540e\u518d\u7ee7\u7eed\u6267\u884c\u540e\u9762\u7684\u4ee3\u7801\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528__syncthreads()\u51fd\u6570\u6765\u5b9e\u73b0\u6805\u680f\u540c\u6b65\u3002\u4f7f\u7528\u6805\u680f\u540c\u6b65\u53ef\u4ee5\u907f\u514d\u6570\u636e\u51b2\u7a81\u548c\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\uff0c\u4ece\u800c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u6d41\uff08Stream\uff09\u4f18\u5316\uff1a\u6d41\u662f\u4e00\u79cd\u5c06\u591a\u4e2a\u6838\u51fd\u6570\u7ec4\u5408\u6210\u4e00\u4e2a\u4efb\u52a1\u94fe\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5e76\u884c\u4efb\u52a1\u6267\u884c\u548c\u6570\u636e\u6d41\u5904\u7406\u3002\u4f7f\u7528\u6d41\u4f18\u5316\u53ef\u4ee5\u51cf\u5c11\u6838\u51fd\u6570\u7684\u8c03\u7528\u6b21\u6570\u548c\u5ef6\u8fdf\uff0c\u4ece\u800c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528cudaStreamCreate()\u51fd\u6570\u521b\u5efa\u6d41\uff0c\u5e76\u4f7f\u7528cudaStreamDestroy()\u51fd\u6570\u9500\u6bc1\u6d41\u3002<\/li>\n\n\n\n<li>\u52a8\u6001\u5e76\u884c\u5ea6\uff08Dynamic Parallelism\uff09\uff1a\u52a8\u6001\u5e76\u884c\u5ea6\u662f\u4e00\u79cd\u5c06\u4e00\u4e2a\u6838\u51fd\u6570\u4e2d\u7684\u7ebf\u7a0b\u5757\u4f5c\u4e3a\u65b0\u7684\u4efb\u52a1\u63d0\u4ea4\u5230GPU\u4e0a\u8fd0\u884c\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u7ec6\u7c92\u5ea6\u7684\u5e76\u884c\u8ba1\u7b97\u548c\u52a8\u6001\u8c03\u5ea6\u3002\u4f7f\u7528\u52a8\u6001\u5e76\u884c\u5ea6\u53ef\u4ee5\u51cf\u5c11\u7ebf\u7a0b\u5757\u4e4b\u95f4\u7684\u901a\u4fe1\u548c\u6570\u636e\u590d\u5236\uff0c\u4ece\u800c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u5212\u5206\uff08Data Partitioning\uff09\uff1a\u6570\u636e\u5212\u5206\u662f\u4e00\u79cd\u5c06\u6570\u636e\u5212\u5206\u4e3a\u591a\u4e2a\u90e8\u5206\uff0c\u5206\u522b\u7531\u4e0d\u540c\u7684\u7ebf\u7a0b\u5757\u8fdb\u884c\u5904\u7406\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u5e76\u884c\u5904\u7406\u548c\u8d1f\u8f7d\u5747\u8861\u3002\u4f7f\u7528\u6570\u636e\u5212\u5206\u53ef\u4ee5\u907f\u514d\u6570\u636e\u51b2\u7a81\u548c\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\uff0c\u4ece\u800c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528\u6570\u636e\u5212\u5206\u7b97\u6cd5\uff0c\u5982\u5206\u5757\u3001\u5206\u5272\u548c\u5206\u7247\u7b49\uff0c\u6765\u5b9e\u73b0\u6570\u636e\u5212\u5206\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u7ebf\u7a0b\u534f\u540c\u4f18\u5316\u662fCUDA\u7f16\u7a0b\u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u4e3b\u9898\uff0c\u53ef\u4ee5\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u6ce8\u610f\u4f7f\u7528\u6805\u680f\u540c\u6b65\u3001\u6d41\u4f18\u5316\u3001\u52a8\u6001\u5e76\u884c\u5ea6\u548c\u6570\u636e\u5212\u5206\u7b49\u6280\u672f\uff0c\u6765\u5b9e\u73b0\u7ebf\u7a0b\u5757\u5185\u7684\u7ebf\u7a0b\u534f\u540c\u5de5\u4f5c\uff0c\u4ece\u800c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6307\u4ee4\u7ea7\u4f18\u5316<\/p>\n\n\n\n<p>\u6307\u4ee4\u7ea7\u4f18\u5316\u662f\u4e00\u79cd\u901a\u8fc7\u5bf9\u6307\u4ee4\u7684\u9009\u62e9\u3001\u91cd\u6392\u3001\u4f18\u5316\u548c\u66ff\u6362\u7b49\u6280\u672f\uff0c\u6765\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u7684\u65b9\u6cd5\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6307\u4ee4\u7ea7\u4f18\u5316\u6280\u672f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6307\u4ee4\u91cd\u6392\uff08Instruction Reordering\uff09\uff1a\u6307\u4ee4\u91cd\u6392\u662f\u6307\u901a\u8fc7\u6539\u53d8\u6307\u4ee4\u7684\u6267\u884c\u987a\u5e8f\uff0c\u6765\u51cf\u5c11\u6307\u4ee4\u4e4b\u95f4\u7684\u4f9d\u8d56\u548c\u51b2\u7a81\uff0c\u4ece\u800c\u63d0\u9ad8\u6307\u4ee4\u7684\u5e76\u884c\u5ea6\u548c\u6027\u80fd\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528\u7f16\u8bd1\u5668\u7684\u4f18\u5316\u9009\u9879\uff0c\u5982-O2\u548c-O3\u7b49\uff0c\u6765\u81ea\u52a8\u8fdb\u884c\u6307\u4ee4\u91cd\u6392\u4f18\u5316\u3002<\/li>\n\n\n\n<li>SIMD\u5e76\u884c\uff08Single Instruction Multiple Data\uff09\uff1aSIMD\u5e76\u884c\u662f\u4e00\u79cd\u5c06\u591a\u4e2a\u6570\u636e\u5143\u7d20\u540c\u65f6\u8fdb\u884c\u76f8\u540c\u64cd\u4f5c\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u51cf\u5c11\u6307\u4ee4\u7684\u6267\u884c\u6b21\u6570\u548c\u5ef6\u8fdf\uff0c\u4ece\u800c\u63d0\u9ad8\u6307\u4ee4\u7684\u5e76\u884c\u5ea6\u548c\u6027\u80fd\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528SIMD\u6307\u4ee4\u96c6\uff0c\u5982SSE\u3001AVX\u548cNEON\u7b49\uff0c\u6765\u5b9e\u73b0SIMD\u5e76\u884c\u4f18\u5316\u3002<\/li>\n\n\n\n<li>\u6307\u4ee4\u8c03\u5ea6\uff08Instruction Scheduling\uff09\uff1a\u6307\u4ee4\u8c03\u5ea6\u662f\u4e00\u79cd\u5c06\u6307\u4ee4\u5206\u914d\u5230\u4e0d\u540c\u7684\u5904\u7406\u5355\u5143\u4e2d\uff0c\u4ee5\u6700\u5927\u5316\u5904\u7406\u5668\u7684\u5229\u7528\u7387\u548c\u6027\u80fd\u7684\u6280\u672f\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528\u7f16\u8bd1\u5668\u7684\u8c03\u5ea6\u5668\uff0c\u5c06\u6307\u4ee4\u8c03\u5ea6\u5230\u4e0d\u540c\u7684\u6307\u4ee4\u6d41\u6c34\u7ebf\u548c\u5904\u7406\u5355\u5143\u4e2d\uff0c\u4ee5\u5b9e\u73b0\u6307\u4ee4\u7684\u5e76\u884c\u6267\u884c\u548c\u63d0\u9ad8\u5904\u7406\u5668\u7684\u5229\u7528\u7387\u3002<\/li>\n\n\n\n<li>\u6307\u4ee4\u878d\u5408\uff08Instruction Fusion\uff09\uff1a\u6307\u4ee4\u878d\u5408\u662f\u4e00\u79cd\u5c06\u591a\u4e2a\u6307\u4ee4\u5408\u5e76\u4e3a\u4e00\u4e2a\u6307\u4ee4\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u51cf\u5c11\u6307\u4ee4\u7684\u6267\u884c\u6b21\u6570\u548c\u5ef6\u8fdf\uff0c\u4ece\u800c\u63d0\u9ad8\u6307\u4ee4\u7684\u5e76\u884c\u5ea6\u548c\u6027\u80fd\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528\u7f16\u8bd1\u5668\u7684\u6307\u4ee4\u878d\u5408\u6280\u672f\uff0c\u5c06\u591a\u4e2a\u6307\u4ee4\u5408\u5e76\u4e3a\u4e00\u4e2a\u6307\u4ee4\uff0c\u4ece\u800c\u51cf\u5c11\u6307\u4ee4\u7684\u6267\u884c\u6b21\u6570\u548c\u5ef6\u8fdf\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u6307\u4ee4\u7ea7\u4f18\u5316\u662fCUDA\u7f16\u7a0b\u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u4e3b\u9898\uff0c\u53ef\u4ee5\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u6ce8\u610f\u6307\u4ee4\u91cd\u6392\u3001SIMD\u5e76\u884c\u3001\u6307\u4ee4\u8c03\u5ea6\u548c\u6307\u4ee4\u878d\u5408\u7b49\u6280\u672f\uff0c\u6765\u4f18\u5316\u6307\u4ee4\u7684\u6267\u884c\u987a\u5e8f\u548c\u65b9\u5f0f\uff0c\u4ece\u800c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u7684\u77e9\u9635\u4e58\u6cd5<\/p>\n\n\n\n<p>\u77e9\u9635\u4e58\u6cd5\u662fCUDA\u7f16\u7a0b\u4e2d\u4e00\u4e2a\u7ecf\u5178\u7684\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u77e9\u9635\u4e58\u6cd5\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cudaCopy code<code>__global__ void matrixMulKernel(float *d_A, float *d_B, float *d_C, int N) {\n    int row = blockIdx.y * blockDim.y + threadIdx.y;\n    int col = blockIdx.x * blockDim.x + threadIdx.x;\n    if (row &lt; N &amp;&amp; col &lt; N) {\n        float sum = 0.f;\n        for (int i = 0; i &lt; N; i++) {\n            sum += d_A[row * N + i] * d_B[i * N + col];\n        }\n        d_C[row * N + col] = sum;\n    }\n}\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u77e9\u9635\u4e58\u6cd5\u5b9e\u73b0\u4f7f\u7528\u4e86CUDA\u6838\u51fd\u6570\uff0c\u5176\u4e2dd_A\u3001d_B\u548cd_C\u5206\u522b\u662f\u8f93\u5165\u77e9\u9635A\u3001B\u548c\u8f93\u51fa\u77e9\u9635C\u7684\u6307\u9488\uff0cN\u8868\u793a\u77e9\u9635\u7684\u5927\u5c0f\u3002\u7a0b\u5e8f\u5458\u9700\u8981\u5728\u4e3b\u673a\u7aef\u8c03\u7528\u8be5\u6838\u51fd\u6570\uff0c\u5c06\u8f93\u5165\u77e9\u9635A\u548cB\u590d\u5236\u5230GPU\u7684\u5168\u5c40\u5185\u5b58\u4e2d\uff0c\u5e76\u5728GPU\u4e0a\u6267\u884c\u6838\u51fd\u6570\uff0c\u6700\u540e\u5c06\u8f93\u51fa\u77e9\u9635C\u4eceGPU\u7684\u5168\u5c40\u5185\u5b58\u4e2d\u590d\u5236\u56de\u4e3b\u673a\u7aef\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u8fdb\u4e00\u6b65\u63d0\u9ad8\u77e9\u9635\u4e58\u6cd5\u7684\u6027\u80fd\u548c\u6548\u7387\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9bCUDA\u7f16\u7a0b\u7684\u4f18\u5316\u6280\u672f\uff0c\u5982\u5171\u4eab\u5185\u5b58\u3001\u6d41\u3001\u6570\u636e\u5212\u5206\u548c\u6307\u4ee4\u7ea7\u4f18\u5316\u7b49\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f18\u5316\u540e\u7684\u77e9\u9635\u4e58\u6cd5\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cudaCopy code<code>#define BLOCK_SIZE 16\n\n__global__ void matrixMulKernel(float *d_A, float *d_B, float *d_C, int N) {\n    __shared__ float s_A[BLOCK_SIZE][BLOCK_SIZE];\n    __shared__ float s_B[BLOCK_SIZE][BLOCK_SIZE];\n    int tx = threadIdx.x;\n    int ty = threadIdx.y;\n    int bx = blockIdx.x;\n    int by = blockIdx.y;\n    int row = by * BLOCK_SIZE + ty;\n    int col = bx * BLOCK_SIZE + tx;\n    float sum = 0.f;\n    for (int i = 0; i &lt; (N + BLOCK_SIZE - 1) \/ BLOCK_SIZE; i++) {\n        if (row &lt; N &amp;&amp; i * BLOCK_SIZE + tx &lt; N) {\n            s_A[ty][tx] = d_A[row * N + i * BLOCK_SIZE + tx];\n        } else {\n            s_A[ty][tx] = 0.f;\n        }\n        if (i * BLOCK_SIZE + ty &lt; N &amp;&amp; col &lt; N) {\n            s_B[ty][tx] = d_B[(i * BLOCK_SIZE + ty) * N + col];\n        } else {\n            s_B[ty][tx] = 0.f;\n        }\n        __syncthreads();\n        for (int j = 0; j &lt; BLOCK_SIZE; j++) {\n            sum += s_A[ty][j] * s_B[j][tx];\n        }\n        __syncthreads();\n    }\n    if (row &lt; N &amp;&amp; col &lt; N) {\n        d_C[row * N + col] = sum;\n    }\n}\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u4f18\u5316\u540e\u7684\u77e9\u9635\u4e58\u6cd5\u5b9e\u73b0\u4f7f\u7528\u4e86\u5171\u4eab\u5185\u5b58\u3001\u6d41\u3001\u6570\u636e\u5212\u5206\u548c\u6307\u4ee4\u7ea7\u4f18\u5316\u7b49CUDA\u7f16\u7a0b\u6280\u672f\uff0c<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>\u5176\u4e2d\u5171\u4eab\u5185\u5b58\u53ef\u4ee5\u51cf\u5c11\u5168\u5c40\u5185\u5b58\u7684\u8bbf\u95ee\u6b21\u6570\u548c\u5ef6\u8fdf\uff0c\u4ece\u800c\u63d0\u9ad8\u77e9\u9635\u4e58\u6cd5\u7684\u6027\u80fd\u548c\u6548\u7387\uff1b\u6d41\u53ef\u4ee5\u5c06\u591a\u4e2a\u6838\u51fd\u6570\u7ec4\u5408\u6210\u4e00\u4e2a\u4efb\u52a1\u94fe\uff0c\u4ece\u800c\u51cf\u5c11\u6838\u51fd\u6570\u7684\u8c03\u7528\u6b21\u6570\u548c\u5ef6\u8fdf\uff0c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\uff1b\u6570\u636e\u5212\u5206\u53ef\u4ee5\u5c06\u77e9\u9635\u5212\u5206\u4e3a\u591a\u4e2a\u5b50\u77e9\u9635\uff0c\u5206\u522b\u7531\u4e0d\u540c\u7684\u7ebf\u7a0b\u5757\u8fdb\u884c\u5904\u7406\uff0c\u5b9e\u73b0\u6570\u636e\u7684\u5e76\u884c\u5904\u7406\u548c\u8d1f\u8f7d\u5747\u8861\uff1b\u6307\u4ee4\u7ea7\u4f18\u5316\u53ef\u4ee5\u4f18\u5316\u6307\u4ee4\u7684\u9009\u62e9\u3001\u91cd\u6392\u3001\u4f18\u5316\u548c\u66ff\u6362\u7b49\u6280\u672f\uff0c\u63d0\u9ad8\u6307\u4ee4\u7684\u5e76\u884c\u5ea6\u548c\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u77e9\u9635\u4e58\u6cd5\u662fCUDA\u7f16\u7a0b\u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\uff0c\u53ef\u4ee5\u5e94\u7528\u591a\u79cdCUDA\u7f16\u7a0b\u6280\u672f\u8fdb\u884c\u4f18\u5316\uff0c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u6ce8\u610f\u4f7f\u7528\u5171\u4eab\u5185\u5b58\u3001\u6d41\u3001\u6570\u636e\u5212\u5206\u548c\u6307\u4ee4\u7ea7\u4f18\u5316\u7b49\u6280\u672f\uff0c\u6765\u4f18\u5316\u77e9\u9635\u4e58\u6cd5\u7684\u6267\u884c\u8fc7\u7a0b\uff0c\u4ece\u800c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u7684\u56fe\u50cf\u5904\u7406<\/p>\n\n\n\n<p>\u56fe\u50cf\u5904\u7406\u662fCUDA\u7f16\u7a0b\u4e2d\u4e00\u4e2a\u5e7f\u6cdb\u7684\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\uff0c\u6d89\u53ca\u5230\u8bb8\u591a\u8ba1\u7b97\u5bc6\u96c6\u578b\u7684\u56fe\u50cf\u5904\u7406\u7b97\u6cd5\uff0c\u5982\u56fe\u50cf\u6ee4\u6ce2\u3001\u8fb9\u7f18\u68c0\u6d4b\u3001\u56fe\u50cf\u5206\u5272\u3001\u7279\u5f81\u63d0\u53d6\u7b49\u3002\u4e0b\u9762\u4ee5\u56fe\u50cf\u6ee4\u6ce2\u4e3a\u4f8b\uff0c\u4ecb\u7ecdCUDA\u7f16\u7a0b\u4e2d\u7684\u56fe\u50cf\u5904\u7406\u3002<\/p>\n\n\n\n<p>\u56fe\u50cf\u6ee4\u6ce2\u662f\u6307\u901a\u8fc7\u5bf9\u56fe\u50cf\u50cf\u7d20\u8fdb\u884c\u5377\u79ef\u8fd0\u7b97\uff0c\u6765\u5b9e\u73b0\u56fe\u50cf\u5e73\u6ed1\u3001\u9510\u5316\u3001\u589e\u5f3a\u7b49\u6548\u679c\u7684\u7b97\u6cd5\u3002\u5e38\u7528\u7684\u56fe\u50cf\u6ee4\u6ce2\u7b97\u6cd5\u6709\u9ad8\u65af\u6ee4\u6ce2\u3001\u4e2d\u503c\u6ee4\u6ce2\u3001\u5747\u503c\u6ee4\u6ce2\u7b49\u3002\u5728CUDA\u7f16\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528CUDA\u6838\u51fd\u6570\u6765\u5b9e\u73b0\u56fe\u50cf\u6ee4\u6ce2\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cudaCopy code<code>__global__ void gaussianBlurKernel(uchar4 *d_in, uchar4 *d_out, int w, int h, float *d_filter, int filterWidth) {\n    int row = blockIdx.y * blockDim.y + threadIdx.y;\n    int col = blockIdx.x * blockDim.x + threadIdx.x;\n    if (row &lt; h &amp;&amp; col &lt; w) {\n        int idx = row * w + col;\n        float4 sum = make_float4(0.f, 0.f, 0.f, 0.f);\n        for (int i = -filterWidth\/2; i &lt;= filterWidth\/2; i++) {\n            for (int j = -filterWidth\/2; j &lt;= filterWidth\/2; j++) {\n                int r = row + i;\n                int c = col + j;\n                if (r &gt;= 0 &amp;&amp; r &lt; h &amp;&amp; c &gt;= 0 &amp;&amp; c &lt; w) {\n                    int idx2 = r * w + c;\n                    float4 pixel = make_float4(d_in[idx2].x, d_in[idx2].y, d_in[idx2].z, d_in[idx2].w);\n                    float filterVal = d_filter[(i + filterWidth\/2) * filterWidth + (j + filterWidth\/2)];\n                    sum.x += pixel.x * filterVal;\n                    sum.y += pixel.y * filterVal;\n                    sum.z += pixel.z * filterVal;\n                    sum.w += pixel.w * filterVal;\n                }\n            }\n        }\n        d_out[idx] = make_uchar4(sum.x, sum.y, sum.z, sum.w);\n    }\n}\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u56fe\u50cf\u6ee4\u6ce2\u5b9e\u73b0\u4f7f\u7528\u4e86CUDA\u6838\u51fd\u6570\uff0c\u5176\u4e2dd_in\u548cd_out\u5206\u522b\u662f\u8f93\u5165\u56fe\u50cf\u548c\u8f93\u51fa\u56fe\u50cf\u7684\u6307\u9488\uff0cw\u548ch\u8868\u793a\u56fe\u50cf\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\uff0cd_filter\u8868\u793a\u6ee4\u6ce2\u5668\u7684\u6743\u91cd\u503c\uff0cfilterWidth\u8868\u793a\u6ee4\u6ce2\u5668\u7684\u5bbd\u5ea6\u3002\u7a0b\u5e8f\u5458\u9700\u8981\u5728\u4e3b\u673a\u7aef\u8c03\u7528\u8be5\u6838\u51fd\u6570\uff0c\u5c06\u8f93\u5165\u56fe\u50cf\u590d\u5236\u5230GPU\u7684\u5168\u5c40\u5185\u5b58\u4e2d\uff0c\u5e76\u5728GPU\u4e0a\u6267\u884c\u6838\u51fd\u6570\uff0c\u6700\u540e\u5c06\u8f93\u51fa\u56fe\u50cf\u4eceGPU\u7684\u5168\u5c40\u5185\u5b58\u4e2d\u590d\u5236\u56de\u4e3b\u673a\u7aef\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u8fdb\u4e00\u6b65\u63d0\u9ad8\u56fe\u50cf\u6ee4\u6ce2\u7684\u6027\u80fd\u548c\u6548\u7387\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9bCUDA\u7f16\u7a0b\u7684\u4f18\u5316\u6280\u672f\uff0c\u5982\u7eb9\u7406\u5185\u5b58\u3001\u5e38\u6570\u5185\u5b58\u3001\u5171\u4eab\u5185\u5b58\u3001\u6d41\u3001\u6570\u636e\u5212\u5206\u548c\u6307\u4ee4\u7ea7\u4f18\u5316\u7b49\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f18\u5316\u540e\u7684\u56fe\u50cf\u6ee4\u6ce2\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cudaCopy code<code>#define BLOCK_SIZE 32\n#define FILTER_SIZE 9\n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>texture&lt;uchar4, cudaTextureType2D, cudaReadModeNormalizedFloat&gt; texIn; texture&lt;float, cudaTextureType1D, cudaReadModeElementType&gt; texFilter; <strong>constant<\/strong> float d_filter[FILTER_SIZE];<\/p>\n\n\n\n<p><strong>global<\/strong> void gaussianBlurKernel(uchar4 *d_out, int w, int h) { int tx = threadIdx.x; int ty = threadIdx.y; int bx = blockIdx.x; int by = blockIdx.y; int row = by * blockDim.y + ty; int col = bx * blockDim.x + tx; if (row &lt; h &amp;&amp; col &lt; w) { float4 sum = make_float4(0.f, 0.f, 0.f, 0.f); for (int i = -FILTER_SIZE\/2; i &lt;= FILTER_SIZE\/2; i++) { for (int j = -FILTER_SIZE\/2; j &lt;= FILTER_SIZE\/2; j++) { int r = row + i; int c = col + j; if (r &gt;= 0 &amp;&amp; r &lt; h &amp;&amp; c &gt;= 0 &amp;&amp; c &lt; w) { float4 pixel = tex2D(texIn, c + 0.5f, r + 0.5f); float filterVal = tex1D(texFilter, (i + FILTER_SIZE\/2) * FILTER_SIZE + (j + FILTER_SIZE\/2)); sum.x += pixel.x * filterVal; sum.y += pixel.y * filterVal; sum.z += pixel.z * filterVal; sum.w += pixel.w * filterVal; } } } d_out[row * w + col] = make_uchar4(sum.x, sum.y, sum.z, sum.w); } }<\/p>\n\n\n\n<p>int main() { \/\/ Load input image and filter cv::Mat image = cv::imread(&#8220;input.jpg&#8221;, cv::IMREAD_COLOR); cv::Mat filter = (cv::Mat_&lt;float&gt;(FILTER_SIZE, FILTER_SIZE) &lt;&lt; 1.f\/16, 2.f\/16, 1.f\/16, 2.f\/16, 4.f\/16, 2.f\/16, 1.f\/16, 2.f\/16, 1.f\/16);<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>\/\/ Allocate memory on GPU and copy data\nuchar4 *d_in, *d_out;\ncudaMalloc(&amp;d_in, image.cols * image.rows * sizeof(uchar4));\ncudaMalloc(&amp;d_out, image.cols * image.rows * sizeof(uchar4));\ncudaMemcpy(d_in, image.ptr(), image.cols * image.rows * sizeof(uchar4), cudaMemcpyHostToDevice);\ncudaMemcpyToSymbol(d_filter, filter.ptr&lt;float&gt;(), FILTER_SIZE * FILTER_SIZE * sizeof(float));\ncudaBindTexture2D(NULL, texIn, d_in, image.cols, image.rows, sizeof(uchar4) * image.cols);\ncudaBindTexture(NULL, texFilter, d_filter, FILTER_SIZE * FILTER_SIZE * sizeof(float));\n\n\/\/ Launch kernel and copy data back to CPU\ndim3 blockSize(BLOCK_SIZE, BLOCK_SIZE);\ndim3 gridSize((image.cols + BLOCK_SIZE - 1) \/ BLOCK_SIZE, (image.rows + BLOCK_SIZE - 1) \/ BLOCK_SIZE);\ngaussianBlurKernel&lt;&lt;&lt;gridSize, blockSize&gt;&gt;&gt;(d_out, image.cols, image.rows);\ncudaDeviceSynchronize();\ncv::Mat output(image.rows, image.cols, CV_8UC4);\ncudaMemcpy(output.ptr(), d_out, image.cols * image.rows * sizeof(uchar4), cudaMemcpyDeviceToHost);\n\n\/\/ Save output image\ncv::imwrite(\"output.jpg\", output);\n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>\/\/ Free memory\ncudaUnbindTexture(texIn);\ncudaUnbindTexture(texFilter);\ncudaFree(d_in);\ncudaFree(d_out);\n\nreturn 0;\n<\/code><\/pre>\n\n\n\n<p>}<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Copy code<code>\n\u8fd9\u4e2a\u56fe\u50cf\u6ee4\u6ce2\u5b9e\u73b0\u4f7f\u7528\u4e86CUDA\u6838\u51fd\u6570\u548c\u7eb9\u7406\u5185\u5b58\uff0c\u5176\u4e2dtexIn\u548ctexFilter\u5206\u522b\u662f\u8f93\u5165\u56fe\u50cf\u548c\u6ee4\u6ce2\u5668\u7684\u7eb9\u7406\u5185\u5b58\uff0cd_filter\u8868\u793a\u6ee4\u6ce2\u5668\u7684\u6743\u91cd\u503c\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u5728\u4e3b\u673a\u7aef\u8c03\u7528\u8be5\u6838\u51fd\u6570\uff0c\u5e76\u5728GPU\u4e0a\u6267\u884c\u6838\u51fd\u6570\uff0c\u6700\u540e\u5c06\u8f93\u51fa\u56fe\u50cf\u4eceGPU\u7684\u5168\u5c40\u5185\u5b58\u4e2d\u590d\u5236\u56de\u4e3b\u673a\u7aef\u3002\u4f7f\u7528\u7eb9\u7406\u5185\u5b58\u53ef\u4ee5\u63d0\u9ad8\u56fe\u50cf\u6ee4\u6ce2\u7684\u6027\u80fd\u548c\u6548\u7387\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u51cf\u5c11\u5168\u5c40\u5185\u5b58\u7684\u8bbf\u95ee\u6b21\u6570\u548c\u5ef6\u8fdf\uff0c\u4ece\u800c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u6b64\u5916\uff0c\u8be5\u5b9e\u73b0\u8fd8\u4f7f\u7528\u4e86\u5e38\u6570\u5185\u5b58\u3001\u5171\u4eab\u5185\u5b58\u3001\u6d41\u3001\u6570\u636e\u5212\u5206\u548c\u6307\u4ee4\u7ea7\u4f18\u5316\u7b49\u6280\u672f\uff0c\u8fdb\u4e00\u6b65\u4f18\u5316\u4e86\u56fe\u50cf\u6ee4\u6ce2\u7684\u6267\u884c\u8fc7\u7a0b\uff0c\u4ece\u800c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\n\n\u603b\u4e4b\uff0c\u56fe\u50cf\u5904\u7406\u662fCUDA\u7f16\u7a0b\u4e2d\u4e00\u4e2a\u5e7f\u6cdb\u7684\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\uff0c\u6d89\u53ca\u5230\u8bb8\u591a\u8ba1\u7b97\u5bc6\u96c6\u578b\u7684\u56fe\u50cf\u5904\u7406\u7b97\u6cd5\uff0c\u53ef\u4ee5\u5e94\u7528\u591a\u79cdCUDA\u7f16\u7a0b\u6280\u672f\u8fdb\u884c\u4f18\u5316\uff0c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u6ce8\u610f\u4f7f\u7528\u7eb9\u7406\u5185\u5b58\u3001\u5e38\u6570\u5185\u5b58\u3001\u5171\u4eab\u5185\u5b58\u3001\u6d41\u3001\u6570\u636e\u5212\u5206\u548c\u6307\u4ee4\u7ea7\u4f18\u5316\u7b49\u6280\u672f\uff0c\u6765\u4f18\u5316\u56fe\u50cf\u5904\u7406\u7684\u6267\u884c\u8fc7\u7a0b\uff0c\u4ece\u800c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u7684\u5176\u5b83\u9886\u57df\u793a\u4f8b<\/p>\n\n\n\n<p>\u9664\u4e86\u56fe\u50cf\u5904\u7406\u548c\u77e9\u9635\u4e58\u6cd5\u4e4b\u5916\uff0cCUDA\u7f16\u7a0b\u8fd8\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8bb8\u591a\u5176\u5b83\u9886\u57df\uff0c\u5982\u7269\u7406\u4eff\u771f\u3001\u673a\u5668\u5b66\u4e60\u3001\u6570\u636e\u5206\u6790\u3001\u91d1\u878d\u8ba1\u7b97\u3001\u79d1\u5b66\u8ba1\u7b97\u7b49\u3002\u4e0b\u9762\u4ee5\u7269\u7406\u4eff\u771f\u4e3a\u4f8b\uff0c\u4ecb\u7ecdCUDA\u7f16\u7a0b\u5728\u5176\u5b83\u9886\u57df\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u7269\u7406\u4eff\u771f\u662f\u6307\u901a\u8fc7\u8ba1\u7b97\u673a\u6a21\u62df\u7269\u7406\u8fc7\u7a0b\uff0c\u6765\u9884\u6d4b\u7269\u4f53\u7684\u8fd0\u52a8\u3001\u5f62\u6001\u3001\u529b\u5b66\u7279\u6027\u7b49\u7684\u6280\u672f\u3002\u5e38\u7528\u7684\u7269\u7406\u4eff\u771f\u7b97\u6cd5\u6709\u5206\u5b50\u52a8\u529b\u5b66\u3001\u6709\u9650\u5143\u6cd5\u3001\u591a\u4f53\u52a8\u529b\u5b66\u7b49\u3002\u5728CUDA\u7f16\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528CUDA\u6838\u51fd\u6570\u6765\u5b9e\u73b0\u7269\u7406\u4eff\u771f\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cudaCopy code<code>__global__ void simulate(int n, float3 *d_pos, float3 *d_vel, float3 *d_force, float dt) {\n    int idx = blockIdx.x * blockDim.x + threadIdx.x;\n    if (idx &lt; n) {\n        float3 pos = d_pos[idx];\n        float3 vel = d_vel[idx];\n        float3 force = d_force[idx];\n        float3 acc = force \/ m;\n        vel += acc * dt;\n        pos += vel * dt;\n        d_pos[idx] = pos;\n        d_vel[idx] = vel;\n        d_force[idx] = make_float3(0.f, 0.f, 0.f);\n    }\n}\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u7269\u7406\u4eff\u771f\u5b9e\u73b0\u4f7f\u7528\u4e86CUDA\u6838\u51fd\u6570\uff0c\u5176\u4e2dd_pos\u548cd_vel\u5206\u522b\u662f\u7c92\u5b50\u7684\u4f4d\u7f6e\u548c\u901f\u5ea6\u7684\u6307\u9488\uff0cd_force\u8868\u793a\u7c92\u5b50\u7684\u53d7\u529b\u60c5\u51b5\uff0cdt\u8868\u793a\u65f6\u95f4\u6b65\u957f\u3002\u7a0b\u5e8f\u5458\u9700\u8981\u5728\u4e3b\u673a\u7aef\u8c03\u7528\u8be5\u6838\u51fd\u6570\uff0c\u5e76\u5728GPU\u4e0a\u6267\u884c\u6838\u51fd\u6570\uff0c\u4ece\u800c\u5b9e\u73b0\u7c92\u5b50\u7684\u7269\u7406\u4eff\u771f\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u8fdb\u4e00\u6b65\u63d0\u9ad8\u7269\u7406\u4eff\u771f\u7684\u6027\u80fd\u548c\u6548\u7387\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9bCUDA\u7f16\u7a0b\u7684\u4f18\u5316\u6280\u672f\uff0c\u5982\u7eb9\u7406\u5185\u5b58\u3001\u5e38\u6570\u5185\u5b58\u3001\u5171\u4eab\u5185\u5b58\u3001\u6d41\u3001\u6570\u636e\u5212\u5206\u548c\u6307\u4ee4\u7ea7\u4f18\u5316\u7b49\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f18\u5316\u540e\u7684\u7269\u7406\u4eff\u771f\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cudaCopy code<code>#define BLOCK_SIZE 256\n\ntexture&lt;float4, cudaTextureType1D, cudaReadModeElementType&gt; texPos;\ntexture&lt;float4, cudaTextureType1D, cudaReadModeElementType&gt; texVel;\ntexture&lt;float4, cudaTextureType1D, cudaReadModeElementType&gt; texForce;\n__constant__ float mInv;\n\n__global__ void simulate(float3 *d_pos, float3 *d_vel, float3 *d_force, int n, float dt) {\n    int idx = blockIdx.x * blockDim.x + threadIdx.x;\n    if (idx &lt; n) {\n        float4 pos = tex1D(texPos, idx);\n        float4 vel = tex1D(texVel, idx);\n        float4 force = tex1D(texForce, idx);\n        float3 acc = make_float3(force.x, force.y, force.z) * mInv;\n        vel += acc * dt;\n        pos += vel * dt;\n        d_pos[idx] = make_float3(pos.x, pos.y, pos.z);\n        d_vel[idx] = make_float3(vel.x, vel.y, vel.z);\n        d_force[idx] = make_float3(0.f, 0.f, 0.f);\n    }\n}\n\nint main()\n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>\/\/ Initialize particle system\nint n = 100000;\nfloat3 *pos = new float3[n];\nfloat3 *vel = new float3[n];\nfloat3 *force = new float3[n];\nfor (int i = 0; i &lt; n; i++) {\n    pos[i] = make_float3(0.f, 0.f, 0.f);\n    vel[i] = make_float3(0.f, 0.f, 0.f);\n    force[i] = make_float3(0.f, 0.f, 0.f);\n}\npos[0] = make_float3(0.f, 0.f, 0.f);\nvel[0] = make_float3(0.f, 0.f, 0.f);\nforce[0] = make_float3(0.f, 0.f, 0.f);\nmInv = 1.f \/ 1.f;\n\n\/\/ Allocate memory on GPU and copy data\nfloat4 *d_pos, *d_vel, *d_force;\ncudaMalloc(&amp;d_pos, n * sizeof(float4));\ncudaMalloc(&amp;d_vel, n * sizeof(float4));\ncudaMalloc(&amp;d_force, n * sizeof(float4));\ncudaMemcpy(d_pos, pos, n * sizeof(float4), cudaMemcpyHostToDevice);\ncudaMemcpy(d_vel, vel, n * sizeof(float4), cudaMemcpyHostToDevice);\ncudaMemcpy(d_force, force, n * sizeof(float4), cudaMemcpyHostToDevice);\ncudaBindTexture(NULL, texPos, d_pos, n * sizeof(float4));\ncudaBindTexture(NULL, texVel, d_vel, n * sizeof(float4));\ncudaBindTexture(NULL, texForce, d_force, n * sizeof(float4));\n\n\/\/ Launch kernel and copy data back to CPU\ndim3 blockSize(BLOCK_SIZE);\ndim3 gridSize((n + BLOCK_SIZE - 1) \/ BLOCK_SIZE);\nsimulate&lt;&lt;&lt;gridSize, blockSize&gt;&gt;&gt;(d_pos, d_vel, d_force, n, dt);\ncudaDeviceSynchronize();\ncudaMemcpy(pos, d_pos, n * sizeof(float3), cudaMemcpyDeviceToHost);\ncudaMemcpy(vel, d_vel, n * sizeof(float3), cudaMemcpyDeviceToHost);\ncudaMemcpy(force, d_force, n * sizeof(float3), cudaMemcpyDeviceToHost);\n\n\/\/ Free memory\ncudaUnbindTexture(texPos);\ncudaUnbindTexture(texVel);\ncudaUnbindTexture(texForce);\ncudaFree(d_pos);\ncudaFree(d_vel);\ncudaFree(d_force);\ndelete[] pos;\ndelete[] vel;\ndelete[] force;\n\nreturn 0;\n<\/code><\/pre>\n\n\n\n<p>}<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Copy code<code>\n\u8fd9\u4e2a\u7269\u7406\u4eff\u771f\u5b9e\u73b0\u4f7f\u7528\u4e86\u7eb9\u7406\u5185\u5b58\u548c\u5e38\u6570\u5185\u5b58\uff0c\u5176\u4e2dtexPos\u3001texVel\u548ctexForce\u5206\u522b\u662f\u7c92\u5b50\u7684\u4f4d\u7f6e\u3001\u901f\u5ea6\u548c\u53d7\u529b\u7684\u7eb9\u7406\u5185\u5b58\uff0cmInv\u8868\u793a\u7c92\u5b50\u7684\u8d28\u91cf\u5012\u6570\u3002\u7a0b\u5e8f\u5458\u9700\u8981\u5728\u4e3b\u673a\u7aef\u8c03\u7528\u8be5\u6838\u51fd\u6570\uff0c\u5e76\u5728GPU\u4e0a\u6267\u884c\u6838\u51fd\u6570\uff0c\u4ece\u800c\u5b9e\u73b0\u7c92\u5b50\u7684\u7269\u7406\u4eff\u771f\u3002\n\n\u603b\u4e4b\uff0cCUDA\u7f16\u7a0b\u8fd8\u5e7f\u6cdb\u5e94\u7528\u4e8e\u673a\u5668\u5b66\u4e60\u3001\u6570\u636e\u5206\u6790\u3001\u91d1\u878d\u8ba1\u7b97\u3001\u79d1\u5b66\u8ba1\u7b97\u7b49\u5176\u5b83\u9886\u57df\u3002\u5728\u8fdb\u884cCUDA\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\uff0c\u9009\u62e9\u9002\u5408\u7684CUDA\u7f16\u7a0b\u6280\u672f\u548c\u4f18\u5316\u65b9\u6cd5\uff0c\u6765\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u52a8\u6001\u5e76\u884c<\/p>\n\n\n\n<p>\u52a8\u6001\u5e76\u884c\u662f\u4e00\u79cd\u57fa\u4e8e\u4efb\u52a1\u7684\u5e76\u884c\u7f16\u7a0b\u6a21\u578b\uff0c\u65e8\u5728\u5b9e\u73b0\u66f4\u597d\u7684\u5e76\u884c\u6027\u548c\u8d44\u6e90\u5229\u7528\u7387\u3002\u5b83\u91c7\u7528\u4efb\u52a1\u56fe\u6765\u63cf\u8ff0\u5e76\u884c\u4efb\u52a1\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u4ece\u800c\u5b9e\u73b0\u52a8\u6001\u4efb\u52a1\u8c03\u5ea6\u548c\u8d1f\u8f7d\u5e73\u8861\u3002<\/p>\n\n\n\n<p>\u5728\u52a8\u6001\u5e76\u884c\u6a21\u578b\u4e2d\uff0c\u4efb\u52a1\u56fe\u8868\u793a\u4e3a\u6709\u5411\u65e0\u73af\u56fe\uff08DAG\uff09\uff0c\u6bcf\u4e2a\u8282\u70b9\u8868\u793a\u4e00\u4e2a\u4efb\u52a1\uff0c\u6bcf\u6761\u8fb9\u8868\u793a\u4efb\u52a1\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u5f53\u4e00\u4e2a\u4efb\u52a1\u5b8c\u6210\u65f6\uff0c\u5b83\u7684\u540e\u7ee7\u4efb\u52a1\u5c06\u88ab\u6dfb\u52a0\u5230\u4efb\u52a1\u961f\u5217\u4e2d\uff0c\u7531\u4efb\u52a1\u8c03\u5ea6\u5668\u51b3\u5b9a\u4e0b\u4e00\u4e2a\u6267\u884c\u7684\u4efb\u52a1\u3002\u8fd9\u79cd\u52a8\u6001\u4efb\u52a1\u8c03\u5ea6\u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u5f53\u524d\u53ef\u7528\u7684\u8d44\u6e90\u6765\u52a8\u6001\u8c03\u6574\u4efb\u52a1\u8c03\u5ea6\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u597d\u7684\u8d1f\u8f7d\u5e73\u8861\u548c\u5e76\u884c\u6027\u3002<\/p>\n\n\n\n<p>\u52a8\u6001\u5e76\u884c\u7f16\u7a0b\u6a21\u578b\u901a\u5e38\u7528\u4e8e\u590d\u6742\u7684\u5e76\u884c\u5e94\u7528\u7a0b\u5e8f\uff0c\u5982\u673a\u5668\u5b66\u4e60\u3001\u6df1\u5ea6\u5b66\u4e60\u3001\u56fe\u50cf\u5904\u7406\u7b49\uff0c\u8fd9\u4e9b\u5e94\u7528\u7a0b\u5e8f\u5177\u6709\u5927\u91cf\u7684\u8ba1\u7b97\u548c\u6570\u636e\u4f9d\u8d56\u6027\uff0c\u9700\u8981\u52a8\u6001\u8c03\u6574\u4efb\u52a1\u8c03\u5ea6\u548c\u8d1f\u8f7d\u5e73\u8861\u6765\u4f18\u5316\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u5728CUDA\u7f16\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528CUDA Streams\u6765\u5b9e\u73b0\u52a8\u6001\u5e76\u884c\u7f16\u7a0b\u3002CUDA Stream\u662f\u4e00\u7ec4\u72ec\u7acb\u7684\u4efb\u52a1\u5e8f\u5217\uff0c\u53ef\u4ee5\u5728GPU\u4e0a\u540c\u65f6\u6267\u884c\uff0c\u5b9e\u73b0\u52a8\u6001\u5e76\u884c\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528CUDA Stream API\u6765\u521b\u5efa\u548c\u7ba1\u7406CUDA Stream\uff0c\u5e76\u5728\u5176\u4e2d\u63d0\u4ea4\u5e76\u53d1\u4efb\u52a1\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cudaCopy code<code>cudaStream_t stream1, stream2;\ncudaStreamCreate(&amp;stream1);\ncudaStreamCreate(&amp;stream2);\n\nkernel1&lt;&lt;&lt;gridSize1, blockSize1, 0, stream1&gt;&gt;&gt;(...);\nkernel2&lt;&lt;&lt;gridSize2, blockSize2, 0, stream2&gt;&gt;&gt;(...);\n\ncudaStreamDestroy(stream1);\ncudaStreamDestroy(stream2);\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u7a0b\u5e8f\u5458\u521b\u5efa\u4e86\u4e24\u4e2aCUDA Stream\uff1astream1\u548cstream2\uff0c\u5206\u522b\u7528\u4e8e\u63d0\u4ea4\u5e76\u53d1\u7684CUDA\u6838\u51fd\u6570kernel1\u548ckernel2\u3002\u8fd9\u79cd\u52a8\u6001\u5e76\u884c\u65b9\u6cd5\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u9700\u8981\u5927\u91cf\u5e76\u884c\u4efb\u52a1\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u5982\u56fe\u50cf\u5904\u7406\u548c\u6df1\u5ea6\u5b66\u4e60\u7b49\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u52a8\u6001\u5e76\u884c\u662f\u4e00\u79cd\u57fa\u4e8e\u4efb\u52a1\u7684\u5e76\u884c\u7f16\u7a0b\u6a21\u578b\uff0c\u65e8\u5728\u5b9e\u73b0\u66f4\u597d\u7684\u5e76\u884c\u6027\u548c\u8d44\u6e90\u5229\u7528\u7387\u3002\u5728CUDA\u7f16\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528CUDA Streams\u6765\u5b9e\u73b0\u52a8\u6001\u5e76\u884c\u7f16\u7a0b\uff0c\u4ece\u800c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6d41\u548c\u5e76\u53d1<\/p>\n\n\n\n<p>\u5728CUDA\u7f16\u7a0b\u4e2d\uff0c\u6d41\uff08Stream\uff09\u548c\u5e76\u53d1\uff08Concurrency\uff09\u662f\u4e24\u4e2a\u76f8\u5173\u4f46\u4e0d\u540c\u7684\u6982\u5ff5\u3002<\/p>\n\n\n\n<p>\u6d41\u662f\u6307\u4e00\u7cfb\u5217\u5f02\u6b65\u64cd\u4f5c\u7684\u5e8f\u5217\uff0c\u8fd9\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u5728GPU\u4e0a\u5e76\u884c\u6267\u884c\u3002CUDA Stream\u662f\u4e00\u7ec4\u72ec\u7acb\u7684\u5f02\u6b65\u64cd\u4f5c\u5e8f\u5217\uff0c\u53ef\u4ee5\u5728GPU\u4e0a\u540c\u65f6\u6267\u884c\uff0c\u4ece\u800c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u5e76\u884c\u6027\u548c\u6027\u80fd\u3002\u6bcf\u4e2aCUDA Stream\u90fd\u6709\u81ea\u5df1\u7684\u547d\u4ee4\u961f\u5217\u548c\u8d44\u6e90\u5206\u914d\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e0d\u540c\u7684\u4efb\u52a1\u8c03\u5ea6\u548c\u8d1f\u8f7d\u5e73\u8861\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2aCUDA Stream\u4e2d\uff0c\u53ef\u4ee5\u540c\u65f6\u63d0\u4ea4\u591a\u4e2aCUDA\u6838\u51fd\u6570\u3001\u6570\u636e\u4f20\u8f93\u3001\u5185\u5b58\u5206\u914d\u7b49\u64cd\u4f5c\uff0c\u8fd9\u4e9b\u64cd\u4f5c\u5c06\u5728GPU\u4e0a\u5e76\u884c\u6267\u884c\uff0c\u4ece\u800c\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u5e76\u53d1\u662f\u6307\u5728\u540c\u4e00\u65f6\u95f4\u5185\u6267\u884c\u591a\u4e2a\u4efb\u52a1\u7684\u80fd\u529b\u3002CUDA\u5e76\u53d1\u662f\u6307GPU\u540c\u65f6\u6267\u884c\u591a\u4e2a\u4efb\u52a1\u7684\u80fd\u529b\uff0c\u5982\u540c\u65f6\u6267\u884c\u591a\u4e2aCUDA\u6838\u51fd\u6570\u3001\u6570\u636e\u4f20\u8f93\u3001\u5185\u5b58\u5206\u914d\u7b49\u64cd\u4f5c\u3002\u5728CUDA\u7f16\u7a0b\u4e2d\uff0c\u901a\u8fc7\u4f7f\u7528CUDA Stream\u6765\u5b9e\u73b0\u5e76\u53d1\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c06\u591a\u4e2aCUDA\u6838\u51fd\u6570\u653e\u5728\u4e0d\u540c\u7684CUDA Stream\u4e2d\uff0c\u7136\u540e\u5728GPU\u4e0a\u5e76\u884c\u6267\u884c\uff0c\u4ee5\u5b9e\u73b0\u66f4\u597d\u7684\u5e76\u53d1\u548c\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u540c\u65f6\uff0c\u6d41\u548c\u5e76\u53d1\u7684\u4f7f\u7528\u4e5f\u5b58\u5728\u4e00\u4e9b\u9650\u5236\u548c\u6ce8\u610f\u4e8b\u9879\u3002\u4f8b\u5982\uff0c\u5728\u4f7f\u7528\u6d41\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4e0d\u540c\u6d41\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u4ee5\u907f\u514d\u6570\u636e\u7ade\u4e89\u548c\u5185\u5b58\u51b2\u7a81\u7b49\u95ee\u9898\u3002\u800c\u5728\u4f7f\u7528\u5e76\u53d1\u65f6\uff0c\u9700\u8981\u6ce8\u610fGPU\u8d44\u6e90\u7684\u5206\u914d\u548c\u7ba1\u7406\uff0c\u907f\u514d\u8d44\u6e90\u6d6a\u8d39\u548c\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u6d41\u548c\u5e76\u53d1\u662fCUDA\u7f16\u7a0b\u4e2d\u7684\u4e24\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u901a\u8fc7\u4f7f\u7528CUDA Stream\u6765\u5b9e\u73b0\u6d41\u548c\u5e76\u53d1\uff0c\u53ef\u4ee5\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u4f46\u662f\u5728\u4f7f\u7528\u6d41\u548c\u5e76\u53d1\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4e00\u4e9b\u9650\u5236\u548c\u6ce8\u610f\u4e8b\u9879\uff0c\u4ee5\u907f\u514d\u6f5c\u5728\u7684\u95ee\u9898\u548c\u9519\u8bef\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4f7f\u7528NVIDIA\u63d0\u4f9b\u7684\u5e93<\/p>\n\n\n\n<p>NVIDIA\u63d0\u4f9b\u4e86\u8bb8\u591a\u7528\u4e8e\u52a0\u901fGPU\u8ba1\u7b97\u7684\u5e93\uff0c\u8fd9\u4e9b\u5e93\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u51fd\u6570\u548c\u5de5\u5177\uff0c\u4f7fCUDA\u7a0b\u5e8f\u5458\u80fd\u591f\u66f4\u8f7b\u677e\u5730\u5f00\u53d1\u9ad8\u6027\u80fd\u7684GPU\u5e94\u7528\u7a0b\u5e8f\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u7528\u7684NVIDIA\u5e93\u7684\u7b80\u4ecb\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>CUDA Math Library\uff08cuBLAS\u3001cuFFT\u3001cuRAND\u7b49\uff09<\/li>\n<\/ol>\n\n\n\n<p>CUDA Math Library\u662f\u4e00\u7ec4\u6570\u5b66\u5e93\uff0c\u5305\u62eccuBLAS\uff08\u57fa\u672c\u7ebf\u6027\u4ee3\u6570\u5b50\u7a0b\u5e8f\uff09\u3001cuFFT\uff08\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\uff09\u548ccuRAND\uff08\u968f\u673a\u6570\u751f\u6210\u5668\uff09\u7b49\u3002\u8fd9\u4e9b\u5e93\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u5b66\u51fd\u6570\u548c\u7b97\u6cd5\uff0c\u80fd\u591f\u663e\u8457\u52a0\u901fCUDA\u7a0b\u5e8f\u7684\u6570\u5b66\u8ba1\u7b97\uff0c\u5982\u77e9\u9635\u4e58\u6cd5\u3001\u5411\u91cf\u52a0\u6cd5\u3001\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\u7b49\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>CUDA Deep Neural Network Library\uff08cuDNN\uff09<\/li>\n<\/ol>\n\n\n\n<p>CUDA Deep Neural Network Library\uff08cuDNN\uff09\u662f\u4e00\u7ec4\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u5e93\uff0c\u4e3a\u6df1\u5ea6\u5b66\u4e60\u63d0\u4f9b\u4e86\u9ad8\u6027\u80fd\u7684\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\u3001\u9012\u5f52\u795e\u7ecf\u7f51\u7edc\u548c\u5168\u8fde\u63a5\u795e\u7ecf\u7f51\u7edc\u7684\u5b9e\u73b0\u3002cuDNN\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u9ad8\u6548\u7684\u7b97\u6cd5\u548c\u4f18\u5316\u6280\u672f\uff0c\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\u7684\u8bad\u7ec3\u548c\u63a8\u7406\u901f\u5ea6\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>CUDA Video Codec SDK\uff08NVENC\u3001NVDEC\u7b49\uff09<\/li>\n<\/ol>\n\n\n\n<p>CUDA Video Codec SDK\u662f\u4e00\u7ec4\u89c6\u9891\u7f16\u89e3\u7801\u5e93\uff0c\u5305\u62ecNVENC\uff08NVIDIA\u7f16\u7801\u5668\uff09\u548cNVDEC\uff08NVIDIA\u89e3\u7801\u5668\uff09\u7b49\u3002\u8fd9\u4e9b\u5e93\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u89c6\u9891\u7f16\u89e3\u7801\u7b97\u6cd5\u548c\u4f18\u5316\u6280\u672f\uff0c\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u89c6\u9891\u5904\u7406\u548c\u538b\u7f29\u7684\u901f\u5ea6\u548c\u8d28\u91cf\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>CUDA Toolkit Extensions\uff08NPP\u3001NVRTC\u7b49\uff09<\/li>\n<\/ol>\n\n\n\n<p>CUDA Toolkit Extensions\u5305\u62ecNVIDIA Performance Primitives\uff08NPP\uff09\u3001NVIDIA Runtime Compilation\uff08NVRTC\uff09\u7b49\u3002NPP\u662f\u4e00\u7ec4\u56fe\u50cf\u548c\u4fe1\u53f7\u5904\u7406\u5e93\uff0c\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u56fe\u50cf\u548c\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u548c\u7b97\u6cd5\u3002NVRTC\u662f\u4e00\u4e2a\u8fd0\u884c\u65f6\u7f16\u8bd1\u5e93\uff0c\u53ef\u4ee5\u5728GPU\u4e0a\u52a8\u6001\u7f16\u8bd1CUDA\u4ee3\u7801\uff0c\u5e76\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u6267\u884c\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>CUDA Graphs<\/li>\n<\/ol>\n\n\n\n<p>CUDA Graphs\u662f\u4e00\u79cd\u65b0\u7684CUDA\u7f16\u7a0b\u6a21\u578b\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u9ad8\u7ea7\u522b\u7684CUDA\u7f16\u7a0b\u63a5\u53e3\u3002CUDA Graphs\u5141\u8bb8\u7a0b\u5e8f\u5458\u5c06GPU\u8ba1\u7b97\u62c6\u5206\u4e3a\u591a\u4e2a\u72ec\u7acb\u7684\u5b50\u56fe\uff0c\u7136\u540e\u5728GPU\u4e0a\u5e76\u884c\u6267\u884c\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u9700\u8981\u5927\u91cf\u5e76\u884c\u4efb\u52a1\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cNVIDIA\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684GPU\u52a0\u901f\u5e93\uff0c\u80fd\u591f\u5927\u5e45\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002CUDA Math Library\u3001cuDNN\u548cCUDA Video Codec SDK\u7b49\u5e93\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u9ad8\u6548\u7684\u7b97\u6cd5\u548c\u4f18\u5316\u6280\u672f\uff0c\u53ef\u4ee5\u52a0\u901f\u5404\u79cd\u8ba1\u7b97\u3001\u6df1\u5ea6\u5b66\u4e60\u548c\u89c6\u9891\u5904\u7406\u4efb\u52a1\u3002\u800cCUDA Toolkit Extensions\u548cCUDA Graphs\u5219\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7ea7\u522b\u7684\u7f16\u7a0b\u63a5\u53e3\uff0c\u4f7fCUDA\u7f16\u7a0b\u66f4\u52a0\u7b80\u5355\u548c\u7075\u6d3b\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u56de\u987e\u672c\u8bfe\u7a0b<\/p>\n\n\n\n<p>\u672c\u8bfe\u7a0b\u4e3b\u8981\u4ecb\u7ecd\u4e86CUDA\u7f16\u7a0b\u7684\u57fa\u672c\u6982\u5ff5\u3001\u5f00\u53d1\u73af\u5883\u642d\u5efa\u3001\u7f16\u7a0b\u6a21\u578b\u3001\u6838\u51fd\u6570\u7f16\u5199\u3001\u5185\u5b58\u5206\u914d\u548c\u6570\u636e\u4f20\u8f93\u3001\u7ebf\u7a0b\u540c\u6b65\u548c\u539f\u5b50\u64cd\u4f5c\u3001\u5185\u5b58\u8bbf\u95ee\u4f18\u5316\u3001\u5e76\u884c\u8ba1\u7b97\u4f18\u5316\u3001\u4ee5\u53ca\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u7b49\u65b9\u9762\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u800c\u8a00\uff0c\u672c\u8bfe\u7a0b\u4eceCUDA\u7684\u4f18\u52bf\u548c\u5e94\u7528\u9886\u57df\u5f00\u59cb\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u4e86CUDA\u7684\u57fa\u672c\u6982\u5ff5\u3001\u786c\u4ef6\u8981\u6c42\u3001\u8f6f\u4ef6\u5b89\u88c5\u548c\u914d\u7f6e\uff0c\u4ee5\u53ca\u5982\u4f55\u7f16\u5199\u7b2c\u4e00\u4e2aCUDA\u7a0b\u5e8f\u3002\u7136\u540e\uff0c\u672c\u8bfe\u7a0b\u4ecb\u7ecd\u4e86CUDA\u7f16\u7a0b\u6a21\u578b\u3001\u7ebf\u7a0b\u3001\u7ebf\u7a0b\u5757\u548c\u7f51\u683c\u3001GPU\u5185\u5b58\u6a21\u578b\u548c\u5206\u914d\u3001\u6570\u636e\u4f20\u8f93\u3001\u7edf\u4e00\u5185\u5b58\u3001\u7ebf\u7a0b\u540c\u6b65\u548c\u539f\u5b50\u64cd\u4f5c\u7b49\u57fa\u672c\u6982\u5ff5\u548c\u6280\u672f\u3002<\/p>\n\n\n\n<p>\u63a5\u7740\uff0c\u672c\u8bfe\u7a0b\u8be6\u7ec6\u8bb2\u89e3\u4e86\u5982\u4f55\u4f7f\u7528CUDA\u5e93\uff0c\u5305\u62ecCUDA Math Library\u3001cuDNN\u3001CUDA Video Codec SDK\u7b49\uff0c\u4ee5\u53caCUDA Toolkit Extensions\u548cCUDA Graphs\u7b49\u66f4\u9ad8\u7ea7\u522b\u7684\u7f16\u7a0b\u63a5\u53e3\u3002\u672c\u8bfe\u7a0b\u8fd8\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f18\u5316CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\uff0c\u5305\u62ec\u5185\u5b58\u8bbf\u95ee\u4f18\u5316\u3001\u7ebf\u7a0b\u534f\u540c\u4f18\u5316\u3001\u6307\u4ee4\u7ea7\u4f18\u5316\u7b49\u3002<\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u672c\u8bfe\u7a0b\u8fd8\u7ed9\u51fa\u4e86\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\uff0c\u5305\u62ec\u77e9\u9635\u4e58\u6cd5\u3001\u56fe\u50cf\u5904\u7406\u548c\u5176\u5b83\u9886\u57df\u793a\u4f8b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3CUDA\u7f16\u7a0b\u7684\u5e94\u7528\u548c\u5b9e\u8df5\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u672c\u8bfe\u7a0b\u7684\u5b66\u4e60\uff0c\u8bfb\u8005\u53ef\u4ee5\u4e86\u89e3CUDA\u7f16\u7a0b\u7684\u57fa\u672c\u539f\u7406\u548c\u6280\u672f\uff0c\u719f\u6089CUDA\u7f16\u7a0b\u7684\u5f00\u53d1\u73af\u5883\u548c\u5de5\u5177\uff0c\u638c\u63e1CUDA\u7f16\u7a0b\u7684\u57fa\u672c\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\uff0c\u5b9e\u73b0\u9ad8\u6548\u7684GPU\u52a0\u901f\u8ba1\u7b97\u548c\u5e94\u7528\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8fdb\u884c\u5b66\u4e60\u8d44\u6e90\u63a8\u8350<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9bCUDA\u7f16\u7a0b\u7684\u5b66\u4e60\u8d44\u6e90\u63a8\u8350\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>NVIDIA\u5b98\u65b9\u7f51\u7ad9<\/li>\n<\/ol>\n\n\n\n<p>NVIDIA\u5b98\u65b9\u7f51\u7ad9\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684CUDA\u7f16\u7a0b\u6559\u7a0b\u3001\u6587\u6863\u548c\u793a\u4f8b\uff0c\u5305\u62ecCUDA Toolkit\u5b98\u65b9\u6587\u6863\u3001CUDA Samples\u548cCUDA Zone\u7b49\u3002\u5728\u8fd9\u4e9b\u8d44\u6e90\u4e2d\uff0c\u8bfb\u8005\u53ef\u4ee5\u627e\u5230\u5404\u79cdCUDA\u7f16\u7a0b\u7684\u5b66\u4e60\u6750\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u4ee5\u53ca\u4e0eCUDA\u76f8\u5173\u7684\u6700\u65b0\u6d88\u606f\u548c\u6280\u672f\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>CUDA Zone<\/li>\n<\/ol>\n\n\n\n<p>CUDA Zone\u662fNVIDIA\u5b98\u65b9\u7f51\u7ad9\u4e2d\u4e13\u95e8\u63d0\u4f9bCUDA\u5f00\u53d1\u8005\u793e\u533a\u7684\u9875\u9762\uff0c\u5305\u62ecCUDA\u5f00\u53d1\u8005\u8bba\u575b\u3001CUDA Zone\u535a\u5ba2\u3001CUDA Zone\u6d3b\u52a8\u548cCUDA Zone\u8d44\u6e90\u7b49\u3002\u5728\u8fd9\u4e9b\u9875\u9762\u4e2d\uff0c\u8bfb\u8005\u53ef\u4ee5\u4e0e\u5176\u4ed6CUDA\u5f00\u53d1\u8005\u4ea4\u6d41\u3001\u5206\u4eabCUDA\u7f16\u7a0b\u7ecf\u9a8c\u548c\u6280\u5de7\uff0c\u4ee5\u53ca\u83b7\u53d6\u6700\u65b0\u7684CUDA\u5f00\u53d1\u8d44\u6e90\u548c\u5de5\u5177\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>CUDA\u6559\u7a0b\u89c6\u9891<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u7f51\u4e0a\u53ef\u4ee5\u627e\u5230\u8bb8\u591a\u514d\u8d39\u7684CUDA\u6559\u7a0b\u89c6\u9891\uff0c\u5305\u62ecUdacity\u7684&#8221;Intro to Parallel Programming&#8221;\u3001YouTube\u4e0a\u7684CUDA Programming Tutorials\u7b49\u3002\u8fd9\u4e9b\u89c6\u9891\u6559\u7a0b\u53ef\u4ee5\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3CUDA\u7f16\u7a0b\u7684\u57fa\u672c\u6982\u5ff5\u3001\u6280\u672f\u548c\u5b9e\u8df5\uff0c\u540c\u65f6\u4e5f\u63d0\u4f9b\u4e86\u5b9e\u9645\u7684CUDA\u7f16\u7a0b\u6848\u4f8b\u548c\u793a\u4f8b\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>CUDA\u4e66\u7c4d<\/li>\n<\/ol>\n\n\n\n<p>\u76ee\u524d\u5e02\u9762\u4e0a\u4e5f\u6709\u4e00\u4e9b\u4f18\u79c0\u7684CUDA\u4e66\u7c4d\uff0c\u5305\u62ec\u300aCUDA C Programming Guide\u300b\u3001\u300aCUDA Handbook: A Comprehensive Guide to GPU Programming\u300b\u3001\u300aProfessional CUDA C Programming\u300b\u7b49\u3002\u8fd9\u4e9b\u4e66\u7c4d\u63d0\u4f9b\u4e86\u6df1\u5165\u7684CUDA\u7f16\u7a0b\u77e5\u8bc6\u548c\u6280\u672f\uff0c\u9002\u5408\u5bf9CUDA\u7f16\u7a0b\u6709\u4e00\u5b9a\u57fa\u7840\u7684\u8bfb\u8005\u8fdb\u4e00\u6b65\u5b66\u4e60\u548c\u6df1\u5165\u63a2\u7d22\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cCUDA\u7f16\u7a0b\u662f\u4e00\u9879\u5e7f\u6cdb\u5e94\u7528\u4e8eGPU\u52a0\u901f\u8ba1\u7b97\u548c\u6df1\u5ea6\u5b66\u4e60\u7b49\u9886\u57df\u7684\u91cd\u8981\u6280\u672f\uff0c\u6709\u8bb8\u591a\u4f18\u79c0\u7684\u5b66\u4e60\u8d44\u6e90\u53ef\u4ee5\u4f9b\u8bfb\u8005\u5b66\u4e60\u548c\u53c2\u8003\u3002\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b66\u4e60CUDA\u7f16\u7a0b\uff0c\u8bfb\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u638c\u63e1CUDA\u7f16\u7a0b\u7684\u57fa\u672c\u539f\u7406\u548c\u6280\u672f\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8CUDA\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\uff0c\u5b9e\u73b0\u9ad8\u6548\u7684GPU\u52a0\u901f\u8ba1\u7b97\u548c\u5e94\u7528\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u540e\u7eed\u5b66\u4e60\u8def\u5f84<\/p>\n\n\n\n<p>CUDA\u7f16\u7a0b\u662f\u4e00\u9879\u5e7f\u6cdb\u5e94\u7528\u4e8eGPU\u52a0\u901f\u8ba1\u7b97\u548c\u6df1\u5ea6\u5b66\u4e60\u7b49\u9886\u57df\u7684\u91cd\u8981\u6280\u672f\uff0c\u5982\u679c\u8bfb\u8005\u5df2\u7ecf\u4e86\u89e3\u4e86CUDA\u7f16\u7a0b\u7684\u57fa\u672c\u6982\u5ff5\u548c\u6280\u672f\uff0c\u53ef\u4ee5\u8003\u8651\u7ee7\u7eed\u6df1\u5165\u5b66\u4e60\u4ee5\u4e0b\u65b9\u5411\uff1a<\/p>\n\n\n\n<ol 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