{"id":27182,"date":"2026-03-07T11:00:00","date_gmt":"2026-03-07T03:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=27182"},"modified":"2026-03-09T10:55:33","modified_gmt":"2026-03-09T02:55:33","slug":"why-neural-networks-love-gpu-tensor-cores-mma","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/server\/gpu-server\/why-neural-networks-love-gpu-tensor-cores-mma\/","title":{"rendered":"\u6df1\u5ea6\u5b66\u4e60\u5fc5\u4fee\u8bfe\uff1a\u4e3a\u4ec0\u4e48\u795e\u7ecf\u7f51\u7edc\u66f4\u504f\u7231GPU\uff1f\u4ece\u77e9\u9635\u8fd0\u7b97\u62c6\u89e3\u5f20\u91cf\u6838\u5fc3(TensorCores)"},"content":{"rendered":"\n<p>\u8fd9\u5176\u5b9e\u662f\u5f88\u591a\u521a\u63a5\u89e6AI\u9886\u57df\u7684\u670b\u53cb\u90fd\u4f1a\u4ea7\u751f\u7684\u56f0\u60d1\u3002\u5728\u5904\u7406\u4e86\u5927\u91cf\u7c7b\u4f3c\u6848\u4f8b\u540e\u6211\u53d1\u73b0\uff0c\u8fd9\u5e76\u4e0d\u662f\u56e0\u4e3aCPU\u4e0d\u591f\u5f3a\u5927\uff0c\u800c\u662f\u56e0\u4e3a\u4e24\u8005\u7684\u201c\u5de5\u4f5c\u8111\u56de\u8def\u201d\u5b58\u5728\u672c\u8d28\u5dee\u5f02\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u4f60\u628a\u795e\u7ecf\u7f51\u7edc\u62c6\u89e3\u5f00\u6765\u770b\uff0c\u65e0\u8bba\u662f\u56fe\u50cf\u8bc6\u522b\u8fd8\u662f\u81ea\u7136\u8bed\u8a00\u5904\u7406\uff0c\u5b83\u7684\u5e95\u5c42\u903b\u8f91\u5176\u5b9e\u975e\u5e38\u67af\u71e5\uff1a\u5c31\u662f\u65e0\u6570\u4e2a\u6743\u91cd\uff08Weights\uff09\u548c\u8f93\u5165\uff08Inputs\uff09\u5728\u4e0d\u505c\u5730\u505a\u4e58\u6cd5\u548c\u52a0\u6cd5\u3002\u5728\u8ba1\u7b97\u673a\u79d1\u5b66\u4e2d\uff0c\u8fd9\u4e9b\u6570\u636e\u6700\u7406\u60f3\u7684\u7ec4\u7ec7\u5f62\u5f0f\u5c31\u662f<strong>\u5f20\u91cf\uff08Tensor\uff09<\/strong>\u2014\u2014\u4e5f\u5c31\u662f\u6211\u4eec\u5e38\u8bf4\u7684\u591a\u7ef4\u77e9\u9635\u3002\u6bcf\u4e00\u5c42\u795e\u7ecf\u5143\u7684\u8ba1\u7b97\uff0c\u672c\u8d28\u4e0a\u90fd\u662f\u5728\u8fdb\u884c\u5927\u89c4\u6a21\u7684\u77e9\u9635\u4e58\u6cd5<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u62c6\u89e3Tensor Cores\uff1aGPU\u91cc\u7684\u201c\u52a0\u901f\u5916\u6302\u201d<\/h2>\n\n\n\n<p>\u5728\u8ddf\u5f00\u53d1\u8005\u4ea4\u6d41\u65f6\uff0c\u6211\u91cd\u70b9\u804a\u5230\u4e86\u82f1\u4f1f\u8fbe\uff08NVIDIA\uff09\u8fd1\u51e0\u5e74\u63a8\u51fa\u7684<strong>Tensor Cores\uff08\u5f20\u91cf\u6838\u5fc3\uff09<\/strong>\u3002\u5982\u679c\u8bf4\u666e\u901a\u7684CUDA\u6838\u5fc3\u662f\u624b\u811a\u9ebb\u5229\u7684\u642c\u7816\u5de5\uff0c\u90a3\u4e48Tensor Cores\u5c31\u662f\u4e00\u53f0\u5168\u81ea\u52a8\u7684\u9884\u5236\u6784\u4ef6\u7ec4\u88c5\u673a\u3002<\/p>\n\n\n\n<p>\u4f20\u7edf\u7684\u8ba1\u7b97\u6838\u5fc3\u5728\u5904\u7406\u77e9\u9635\u4e58\u6cd5\u65f6\uff0c\u901a\u5e38\u9700\u8981\u4e00\u4e2a\u5143\u7d20\u4e00\u4e2a\u5143\u7d20\u5730\u53bb\u5bf9\u4f4d\u3001\u8ba1\u7b97\u3001\u6c42\u548c\u3002\u4f46\u6df1\u5ea6\u5b66\u4e60\u7684\u8fd0\u7b97\u6709\u4e2a\u7279\u70b9\uff1a\u5b83\u5bf9\u7cbe\u5ea6\u7684\u8981\u6c42\u5176\u5b9e\u6ca1\u6709\u79d1\u5b66\u8ba1\u7b97\u90a3\u4e48\u201c\u6b7b\u677f\u201d\uff0c\u53cd\u800c\u5bf9\u541e\u5410\u91cf\u7684\u8981\u6c42\u6781\u9ad8\u3002<\/p>\n\n\n\n<p>Tensor Cores\u6b63\u662f\u4e3a\u6b64\u800c\u751f\u7684\u3002\u5b83\u53ef\u4ee5\u5728\u4e00\u4e2a\u65f6\u949f\u5468\u671f\u5185\uff0c\u76f4\u63a5\u5b8c\u6210\u4e00\u4e2a$4 \\times 4 \\times 4$\u7684\u77e9\u9635\u4e58\u6cd5\u4e0e\u7d2f\u52a0\u8fd0\u7b97\uff08D = A * B + C\uff09\u3002<\/p>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u8bd5\u7740\u8fd9\u6837\u7406\u89e3\uff1a\u666e\u901a\u7684\u8ba1\u7b97\u5c31\u50cf\u4f60\u5728\u8349\u7a3f\u7eb8\u4e0a\u4e00\u6b65\u6b65\u5fc3\u7b97\u4e24\u4f4d\u6570\u4e58\u6cd5\uff0c\u7b97\u4e00\u4f4d\u8bb0\u4e00\u4f4d\uff1b\u800cTensor Cores\u5c31\u50cf\u662f\u4f60\u624b\u91cc\u62ff\u4e86\u4e00\u4e2a\u5df2\u7ecf\u56fa\u5316\u4e86\u8ba1\u7b97\u903b\u8f91\u7684\u201c\u6a21\u5177\u201d\uff0c\u53ea\u8981\u628a\u6570\u5b57\u586b\u8fdb\u53bb\uff0c\u7ed3\u679c\u77ac\u95f4\u5c31\u6210\u578b\u4e86\u3002\u8fd9\u79cd\u786c\u4ef6\u7ea7\u7684\u5e76\u884c\u5904\u7406\uff0c\u8ba9\u5b83\u5728\u5904\u7406FP16\uff08\u534a\u7cbe\u5ea6\u6d6e\u70b9\uff09\u6570\u636e\u65f6\uff0c\u6548\u7387\u6bd4\u4f20\u7edf\u67b6\u6784\u63d0\u5347\u4e86\u6570\u500d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6027\u80fd\u5b9e\u6d4b\uff1a\u8c01\u624d\u662fAI\u65f6\u4ee3\u7684\u201c\u7b97\u529b\u738b\u8005\u201d\uff1f<\/h2>\n\n\n\n<p>\u4e3a\u4e86\u8ba9\u5927\u5bb6\u66f4\u76f4\u89c2\u5730\u770b\u6e05\u5dee\u8ddd\uff0c\u6211\u4eec\u6574\u7406\u4e86\u4e00\u4efd\u57fa\u4e8e\u771f\u5b9e\u5e94\u7528\u573a\u666f\u7684\u786c\u4ef6\u7279\u6027\u5bf9\u6bd4\u8868\u3002\u4f60\u4f1a\u53d1\u73b0\uff0c\u5728\u6df1\u5ea6\u5b66\u4e60\u8fd9\u4e2a\u7279\u5b9a\u8d5b\u9053\u4e0a\uff0c<a href=\"https:\/\/cn.hostease.com\/gpu-servers.html\">GPU<\/a>\u7684\u9886\u5148\u51e0\u4e4e\u662f\u7ef4\u5ea6\u4e0a\u7684\u78be\u538b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\u6838\u5fc3\u7279\u6027<\/strong><\/td><td><strong>\u4f20\u7edf\u9ad8\u6027\u80fdCPU<\/strong><\/td><td><strong>NVIDIA GPU (\u642d\u8f7dTensor Cores)<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>\u8ba1\u7b97\u67b6\u6784<\/strong><\/td><td>\u4e32\u884c\/\u5c11\u91cf\u5e76\u884c (\u51e0\u5341\u4e2a\u6838\u5fc3)<\/td><td>\u5927\u89c4\u6a21\u5e76\u884c (\u6570\u5343CUDA\u6838 + \u4e13\u7528Tensor\u6838)<\/td><\/tr><tr><td><strong>\u64c5\u957f\u9886\u57df<\/strong><\/td><td>\u590d\u6742\u7684\u903b\u8f91\u63a7\u5236\u3001\u7cfb\u7edf\u4efb\u52a1\u8c03\u5ea6<\/td><td>\u6d77\u91cf\u6570\u636e\u7684\u7b80\u5355\u91cd\u590d\u8fd0\u7b97\u3001\u56fe\u5f62\u6e32\u67d3<\/td><\/tr><tr><td><strong>\u8fd0\u7b97\u65b9\u5f0f<\/strong><\/td><td>\u6807\u91cf\/\u77e2\u91cf\u9010\u4e2a\u5904\u7406<\/td><td>\u77e9\u9635\u5757\u7ea7\uff08Block-based\uff09\u5e76\u884c\u5904\u7406<\/td><\/tr><tr><td><strong>\u541e\u5410\u91cf\u8868\u73b0<\/strong><\/td><td>\u8f83\u4f4e\uff0c\u5bb9\u6613\u9047\u5230\u5185\u5b58\u5e26\u5bbd\u74f6\u9888<\/td><td>\u6781\u9ad8\uff0c\u914d\u5907\u8d85\u9ad8\u901fHBM\u6216GDDR\u663e\u5b58<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u901a\u8fc7\u5b9e\u9645\u90e8\u7f72\u53d1\u73b0\uff0c\u867d\u7136\u9ad8\u7aefCPU\u5728\u901a\u7528\u8ba1\u7b97\u4e0a\u65e0\u53ef\u6311\u5254\uff0c\u4f46\u5728\u9762\u5bf9Transformer\u8fd9\u79cd\u53c2\u6570\u91cf\u52a8\u8f84\u4e0a\u4ebf\u7684\u6a21\u578b\u65f6\uff0cGPU\u63d0\u4f9b\u7684\u7b97\u529b\u5bc6\u5ea6\u624d\u662f\u652f\u6491\u6a21\u578b\u5feb\u901f\u8fed\u4ee3\u7684\u5173\u952e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5173\u4e8eGPU\u9009\u8d2d\uff0c\u6211\u4eec\u7684\u4e00\u4e9b\u771f\u5b9e\u5efa\u8bae<\/h2>\n\n\n\n<p>\u5728\u4e3a\u7528\u6237\u63d0\u4f9b\u4f18\u5316\u5efa\u8bae\u65f6\uff0c\u6211\u7ecf\u5e38\u5f3a\u8c03\uff1a\u4e0d\u8981\u76f2\u76ee\u8ffd\u6c42\u53c2\u6570\u6700\u8d35\u7684\u663e\u5361\uff0c\u9002\u5408\u4f60\u7684\u624d\u662f\u6700\u597d\u7684\u3002\u4f60\u53ef\u4ee5\u8bd5\u8bd5\u4ece\u4ee5\u4e0b\u4e09\u4e2a\u7ef4\u5ea6\u6765\u907f\u5751\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u663e\u5b58\u5bb9\u91cf\uff08VRAM\uff09<\/strong>\uff1a\u8fd9\u662f\u4f60\u7684\u201c\u5165\u573a\u5238\u201d\u3002\u5b83\u51b3\u5b9a\u4e86\u4f60\u80fd\u8dd1\u591a\u5927\u7684\u6a21\u578b\uff08Batch 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class=\"wp-block-heading\">FAQ\uff1a\u6df1\u5ea6\u5b66\u4e60\u786c\u4ef6\u5e38\u89c1\u56f0\u60d1<\/h2>\n\n\n\n<p><strong>Q\uff1a\u5982\u679c\u6ca1\u6709GPU\uff0c\u53ea\u7528CPU\u80fd\u8dd1\u901a\u6df1\u5ea6\u5b66\u4e60\u5417\uff1f<\/strong><\/p>\n\n\n\n<p>A\uff1a\u6280\u672f\u4e0a\u662f\u53ef\u4ee5\u7684\uff0c\u4f46\u8fc7\u7a0b\u4f1a\u975e\u5e38\u75db\u82e6\u3002\u5bf9\u4e8e\u7b80\u5355\u7684Demo\u6216\u8005\u5c0f\u89c4\u6a21\u7684\u63a8\u7406\uff08Inference\uff09\u5c1a\u53ef\uff0c\u4f46\u5982\u679c\u662f\u6a21\u578b\u8bad\u7ec3\uff0cCPU\u7684\u901f\u5ea6\u53ef\u80fd\u6bd4GPU\u6162\u4e0a\u767e\u500d\u3002\u539f\u672c\u7761\u4e00\u89c9\u5c31\u80fd\u8dd1\u5b8c\u7684\u5b9e\u9a8c\uff0c\u7528CPU\u53ef\u80fd\u8981\u8ba9\u4f60\u7b49\u4e0a\u4e00\u4e2a\u6708\u3002<\/p>\n\n\n\n<p><strong>Q\uff1aTensor 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