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\u3000\u3000\u6df1\u591c\u7684\u673a\u623f\u91cc\uff0c\u4e00\u4f4d\u7b97\u6cd5\u5de5\u7a0b\u5e08\u76ef\u7740\u5c4f\u5e55\u4e0a\u7684\u8bad\u7ec3\u66f2\u7ebf\uff0c\u7709\u5934\u7d27\u9501\u3002\u7b2c\u4e09\u6b21\u4e86\uff0c\u96c6\u7fa4\u901a\u4fe1\u53c8\u51fa\u73b0\u4e86\u5ef6\u8fdf\u5c16\u5cf0\uff0closs \u66f2\u7ebf\u5267\u70c8\u9707\u8361\uff0c\u51e0\u5929\u7684\u8bad\u7ec3\u8fdb\u5ea6\u88ab\u8feb\u91cd\u6765\u3002\u9694\u58c1\u56e2\u961f\u7528\u540c\u4e00\u6279 GPU \u5361\uff0c\u8dd1\u540c\u6837\u89c4\u6a21\u7684\u5927\u6a21\u578b\u8bad\u7ec3\uff0c\u5374\u603b\u80fd\u7a33\u5b9a\u6536\u655b\u3001\u6309\u65f6\u51fa\u7ed3\u679c\u3002\u5dee\u522b\u4e0d\u5728\u663e\u5361\uff0c\u800c\u5728\u90a3\u5f20\u4e0d\u8d77\u773c\u7684\u9ad8\u901f\u7f51\u5361\uff0c\u4ee5\u53ca\u5b83\u80cc\u540e\u6240\u4f9d\u6258\u7684\u7f51\u7edc\u67b6\u6784\u3002<\/p>\n

<\/p>\n

\u3000\u3000\u8fd9\u4e0d\u662f\u4e2a\u4f8b\u3002\u5f53\u4e0b\uff0c\u5927\u6a21\u578b\u8bad\u7ec3\u3001\u8d85\u7b97\u4eff\u771f\u3001\u667a\u7b97\u96c6\u7fa4\u5bf9\u4e92\u8054\u7f51\u7edc\u7684\u8981\u6c42\u8d8a\u6765\u8d8a\u9ad8\uff0c\u800c\u4f20\u7edf\u4ee5\u592a\u7f51\u7ec4\u7f51\u7684\u4e22\u5305\u3001\u62e5\u585e\u3001\u6296\u52a8\u95ee\u9898\uff0c\u6b63\u5728\u6084\u6084\u541e\u566c\u7740\u7528\u6237\u6295\u5165\u5de8\u8d44\u4e70\u6765\u7684\u7b97\u529b\u3002GPU \u5728\u7b49\u5f85\u6570\u636e\u65f6\u7a7a\u8f6c\uff0cAllReduce \u901a\u4fe1\u4e00\u62d6\u518d\u62d6\uff0c\u8bad\u7ec3\u8fed\u4ee3\u5468\u671f\u88ab\u65e0\u9650\u62c9\u957f\u3002\u6b63\u662f\u5728\u8fd9\u6837\u7684\u884c\u4e1a\u80cc\u666f\u4e0b\uff0c\u5317\u4eac\u8d5b\u535a\u6c38\u6b23\u79d1\u6280\u6709\u9650\u8d23\u4efb\u516c\u53f8\uff0c \u624b\u673a\uff1a13611117666 \u7b80\u79f0\u8d5b\u535a\u6c38\u6b23\uff0c\u8d70\u4e0a\u4e86\u4e00\u6761\u4e13\u6ce8\u82f1\u4f1f\u8fbe ConnectX InfiniBand \u9ad8\u901f\u7f51\u5361\u4e0e\u65e0\u635f\u7f51\u7edc\u4e92\u8054\u7684\u9053\u8def\u3002<\/p>\n

<\/p>\n

\u4e00\u3001\u4e3a\u4ec0\u4e48\u6211\u4eec\u4f1a\u9009\u62e9\u8fd9\u6761\u8d5b\u9053<\/h2>\n

\u770b\u89c1\u7b97\u529b\u88ab\u6d6a\u8d39\u7684\u65f6\u523b<\/h3>\n

\u3000\u3000\u6bcf\u4e00\u5757 GPU \u90fd\u4e0d\u4fbf\u5b9c\uff0c\u4f46\u5f53\u7f51\u7edc\u6210\u4e3a\u74f6\u9888\u65f6\uff0c\u518d\u8d35\u7684\u663e\u5361\u4e5f\u53ea\u80fd\u5728\u7b49\u5f85\u4e2d\u6d88\u8017\u81ea\u5df1\u7684\u4ef7\u503c\u3002\u6211\u4eec\u5728\u4e0e\u5927\u91cf\u6280\u672f\u56e2\u961f\u63a5\u89e6\u7684\u8fc7\u7a0b\u4e2d\uff0c\u53cd\u590d\u542c\u5230\u76f8\u4f3c\u7684\u62b1\u6028\uff1a\u4ee5\u592a\u7f51\u7ec4\u7f51\u8dd1\u5927\u6a21\u578b\u8bad\u7ec3\uff0c\u7f51\u7edc\u9891\u7e41\u4e22\u5305\u3001\u62e5\u585e\u6296\u52a8\uff0c\u901a\u4fe1\u62d6\u4e86\u8ba1\u7b97\u7684\u540e\u817f;\u591a\u5361\u591a\u8282\u70b9\u540c\u6b65\u5ef6\u8fdf\u9ad8\u3001\u5ef6\u8fdf\u5c16\u5cf0\u5927\uff0closs \u9707\u8361\u3001\u6536\u655b\u6162\uff0c\u8c03\u53c2\u8bd5\u9519\u6210\u672c\u5c45\u9ad8\u4e0d\u4e0b;\u96c6\u7fa4\u89c4\u6a21\u4e00\u6269\u5927\uff0c\u6269\u5c55\u6027\u5c31\u65ad\u5d16\u4e0b\u6ed1\uff0c\u6269\u5361\u4e4b\u540e\u6027\u80fd\u4e0d\u7ebf\u6027\u589e\u957f\u3002<\/p>\n

\u3000\u3000\u8fd9\u4e9b\u75db\u70b9\u7684\u6839\u6e90\uff0c\u5f80\u5f80\u4e0d\u5728\u7b97\u6cd5\uff0c\u4e5f\u4e0d\u5728\u786c\u4ef6\u672c\u8eab\uff0c\u800c\u5728\u4e92\u8054\u7f51\u7edc\u7684\u67b6\u6784\u9009\u62e9\u4e0a\u3002\u666e\u901a\u7f51\u5361\u65e0\u6cd5\u652f\u6491\u8d85\u5927\u89c4\u6a21\u591a\u673a\u96c6\u7fa4\uff0c\u8f6f\u4ef6\u5378\u8f7d\u65b9\u6848 CPU \u5360\u7528\u9ad8\uff0c\u901a\u4fe1\u5f00\u9500\u6324\u5360\u7b97\u529b\u8d44\u6e90\uff0c\u8fd0\u7ef4\u56e2\u961f\u8fd8\u8981\u6295\u5165\u5927\u91cf\u4eba\u529b\u505a\u7f51\u7edc\u8c03\u4f18\u3001\u62e5\u585e\u63a7\u5236\u3001\u4e22\u5305\u6392\u67e5\u3002<\/p>\n

\u4e00\u4e2a\u6734\u7d20\u7684\u60f3\u6cd5<\/h3>\n

\u3000\u3000\u8d5b\u535a\u6c38\u6b23\u521b\u7acb\u4e4b\u521d\uff0c\u53ea\u6709\u4e00\u4e2a\u6734\u7d20\u7684\u60f3\u6cd5\uff1a\u8ba9\u6602\u8d35\u7684\u7b97\u529b\u4e0d\u518d\u88ab\u7f51\u7edc\u62d6\u7d2f\uff0c\u8ba9\u6bcf\u4e00\u5757 GPU \u90fd\u80fd\u8dd1\u6ee1\u3001\u8dd1\u7a33\u3002\u6211\u4eec\u76f8\u4fe1\uff0c\u89e3\u51b3\u5206\u5e03\u5f0f\u8bad\u7ec3\u7684\u901a\u4fe1\u74f6\u9888\uff0c\u4e0d\u80fd\u9760\u8f6f\u4ef6\u5c42\u9762\u7684\u7f1d\u7f1d\u8865\u8865\uff0c\u800c\u8981\u4ece\u7f51\u7edc\u67b6\u6784\u7684\u5e95\u5c42\u903b\u8f91\u51fa\u53d1\u3002\u8fd9\u51b3\u5b9a\u4e86\u6211\u4eec\u7684\u65b9\u5411\uff0c\u805a\u7126\u539f\u751f\u65e0\u635f IB \u67b6\u6784\uff0c\u6df1\u8015\u82f1\u4f1f\u8fbe ConnectX \u7cfb\u5217 IB \u7f51\u5361\u4e0e Quantum \u65e0\u635f\u4ea4\u6362\u7684\u914d\u5957\u65b9\u6848\uff0c\u628a\u4e9a\u5fae\u79d2\u7ea7\u7684\u7aef\u5230\u7aef\u786c\u4ef6 RDMA \u65f6\u5ef6\u3001\u65e0\u4e22\u5305\u3001\u65e0\u6296\u52a8\u3001\u96f6\u62e5\u585e\u91cd\u4f20\uff0c\u4f5c\u4e3a\u4ea4\u4ed8\u7ed9\u7528\u6237\u7684\u57fa\u672c\u76d8\u3002<\/p>\n

\u4e13\u4e1a\u7684\u4e8b\uff0c\u4ea4\u7ed9\u4e13\u4e1a\u7684\u67b6\u6784<\/h3>\n

\u3000\u3000\u82f1\u4f1f\u8fbe ConnectX \u7cfb\u5217 IB \u7f51\u5361\uff0c\u4f9d\u6258 Quantum \u91cf\u5b50\u65e0\u635f IB \u67b6\u6784\u3001\u539f\u751f RDMA\u3001GPU \u6df1\u5ea6\u534f\u540c\u3001\u7f51\u7edc\u5185\u8ba1\u7b97\u4e0e\u5168\u786c\u4ef6\u5378\u8f7d\uff0c\u662f AI \u5927\u6a21\u578b\u8bad\u7ec3\u3001\u8d85\u7b97 HPC\u3001\u5927\u89c4\u6a21\u5206\u5e03\u5f0f\u96c6\u7fa4\u4e92\u8054\u4e2d\u88ab\u4e1a\u754c\u5e7f\u6cdb\u8ba4\u53ef\u7684\u65b9\u6848\u3002\u4e3b\u6d41\u8d85\u7b97\u4e2d\u5fc3\u3001\u5934\u90e8 AI \u5b9e\u9a8c\u5ba4\u3001\u667a\u7b97\u96c6\u7fa4\u7684\u4e92\u8054\u9009\u578b\uff0c\u4e5f\u5370\u8bc1\u4e86\u8fd9\u6761\u6280\u672f\u8def\u7ebf\u7684\u6210\u719f\u4e0e\u53ef\u9760\u3002\u6211\u4eec\u8981\u505a\u7684\uff0c\u662f\u628a\u8fd9\u6837\u6210\u719f\u3001\u6b63\u89c4\u3001\u7ecf\u8fc7\u5927\u89c4\u6a21\u9a8c\u8bc1\u7684\u6280\u672f\uff0c\u4ee5\u4e13\u4e1a\u7684\u65b9\u5f0f\u5e26\u7ed9\u771f\u6b63\u9700\u8981\u7684\u7528\u6237\u3002<\/p>\n

\u4e8c\u3001\u6211\u4eec\u59cb\u7ec8\u575a\u5b88\u7684\u4e1c\u897f<\/h2>\n

\u4ece\u9009\u578b\u5f00\u59cb\u7684\u8f83\u771f<\/h3>\n

\u3000\u3000\u5728\u8d5b\u535a\u6c38\u6b23\uff0c\u6bcf\u4e00\u6b21\u65b9\u6848\u843d\u5730\u90fd\u4ece\u4e25\u8c28\u7684\u9009\u578b\u5f00\u59cb\u3002\u6211\u4eec\u4e0d\u8ffd\u6c42\u8868\u9762\u53c2\u6570\u7684\u5806\u780c\uff0c\u800c\u662f\u56de\u5230\u7528\u6237\u7684\u771f\u5b9e\u573a\u666f\uff1a\u591a\u5927\u7684\u96c6\u7fa4\u89c4\u6a21\u3001\u4ec0\u4e48\u6837\u7684\u8bad\u7ec3\u4efb\u52a1\u3001\u591a\u9ad8\u7684\u7a33\u5b9a\u6027\u8981\u6c42\u3002\u539f\u751f InfiniBand \u65e0\u635f IB \u67b6\u6784\uff0cQuantum \u7cfb\u5217\u65e0\u635f\u4ea4\u6362\u914d\u5957 ConnectX HCA\uff0c\u786c\u4ef6\u7ea7 RDMA \u5168\u5378\u8f7d\uff0c\u4e9a\u5fae\u79d2\u7ea7\u7aef\u5230\u7aef\u65f6\u5ef6\uff0c\u8fd9\u4e9b\u80fd\u529b\u7684\u4ef7\u503c\uff0c\u53ea\u6709\u5728\u8d34\u5408\u573a\u666f\u7684\u65b9\u6848\u8bbe\u8ba1\u91cc\u624d\u80fd\u771f\u6b63\u91ca\u653e\u3002<\/p>\n

\u8ba9\u901a\u4fe1\u903b\u8f91\u4e0b\u6c89\u5230\u786c\u4ef6<\/h3>\n

\u3000\u3000\u6211\u4eec\u59cb\u7ec8\u63a8\u5d07\u4e00\u79cd\u7406\u5ff5\uff1a\u901a\u4fe1\u7684\u4e8b\uff0c\u4ea4\u7ed9\u786c\u4ef6\u53bb\u505a\u3002\u5168\u786c\u4ef6\u5378\u8f7d\uff0c\u901a\u4fe1\u903b\u8f91\u4e0b\u6c89\u5230\u7f51\u5361\u786c\u4ef6\uff0c\u4e0d\u5360\u7528\u4e3b\u673a CPU \u7b97\u529b\uff0c\u628a\u66f4\u591a\u8d44\u6e90\u91ca\u653e\u7ed9\u6a21\u578b\u8ba1\u7b97\u4efb\u52a1\u3002\u5185\u7f6e SHARP \u7f51\u7edc\u5185\u805a\u5408\u8ba1\u7b97\u5f15\u64ce\uff0c\u786c\u4ef6\u52a0\u901f MPI \u96c6\u5408\u901a\u4fe1\uff0cAllReduce \u786c\u4ef6\u5378\u8f7d\uff0c\u533a\u522b\u4e8e\u4ee5\u592a\u7f51\u8f6f\u4ef6\u4fa7\u901a\u4fe1\u65b9\u6848\uff0c\u5206\u5e03\u5f0f\u901a\u4fe1\u6548\u7387\u5927\u5e45\u63d0\u5347\uff0c\u5206\u5e03\u5f0f\u6b65\u957f\u6548\u7387\u63d0\u5347\u53ef\u8fbe 50% \u4ee5\u4e0a\u3002\u8fd9\u610f\u5473\u7740\u7528\u6237\u82b1\u5728\u7b97\u529b\u4e0a\u7684\u6bcf\u4e00\u5206\u94b1\uff0c\u90fd\u80fd\u66f4\u591a\u5730\u8f6c\u5316\u4e3a\u5b9e\u9645\u7684\u8bad\u7ec3\u4ea7\u51fa\u3002<\/p>\n

\u7a33\u5b9a\uff0c\u662f\u5bf9\u7528\u6237\u65f6\u95f4\u6700\u6df1\u7684\u5c0a\u91cd<\/h3>\n

\u3000\u3000\u6211\u4eec\u89c1\u8fc7\u592a\u591a\u56e2\u961f\u56e0\u4e3a\u94fe\u8def\u6545\u969c\u6062\u590d\u6162\uff0c\u8bad\u7ec3\u4efb\u52a1\u4e2d\u65ad\u3001checkpoint \u91cd\u8dd1\uff0c\u51e0\u5c0f\u65f6\u751a\u81f3\u51e0\u5929\u7684\u8bad\u7ec3\u6210\u679c\u4f5c\u5e9f\u3002\u4e5f\u89c1\u8fc7\u56e0\u4e3a\u96c6\u7fa4\u65f6\u949f\u4e0d\u540c\u6b65\uff0c\u5206\u5e03\u5f0f\u4efb\u52a1\u65f6\u5e8f\u9519\u4e71\u3001\u65e5\u5fd7\u5bf9\u9f50\u56f0\u96be\uff0c\u5927\u89c4\u6a21\u4eff\u771f\u7ed3\u679c\u5f02\u5e38\u7684\u56f0\u6270\u3002\u6240\u4ee5\u6211\u4eec\u683c\u5916\u770b\u91cd\u786c\u4ef6 PTP \u65f6\u949f\u540c\u6b65\u3001\u667a\u80fd\u81ea\u9002\u5e94\u8def\u7531\u4e0e\u6545\u969c\u81ea\u6108\u80fd\u529b\uff0c\u94fe\u8def\u6545\u969c\u6062\u590d\u80fd\u529b\u8fdc\u8d85\u4ee5\u592a\u7f51\uff0c\u6ee1\u8db3 7\u00d724 \u5c0f\u65f6\u4e0d\u95f4\u65ad\u9ad8\u8d1f\u8f7d\u96c6\u7fa4\u8fd0\u884c\u7684\u8981\u6c42\u3002\u5bf9\u8d5b\u535a\u6c38\u6b23\u800c\u8a00\uff0c\u7a33\u5b9a\u4e0d\u662f\u4e00\u53e5\u53e3\u53f7\uff0c\u800c\u662f\u7528\u6237\u6df1\u591c\u5b89\u5fc3\u5165\u7761\u7684\u5e95\u6c14\u3002<\/p>\n

\u6df1\u8015\u751f\u6001\uff0c\u800c\u4e0d\u662f\u5b64\u519b\u594b\u6218<\/h3>\n

\u3000\u3000\u786c\u4ef6 PTP \u65f6\u949f\u540c\u6b65\u3001\u81ea\u9002\u5e94\u8def\u7531\u52a0\u786c\u4ef6\u6545\u969c\u81ea\u6108\u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u575a\u6301\u6df1\u5ea6\u9002\u914d NVIDIA GPU \u751f\u6001\uff0c\u4e0e CUDA\u3001NCCL \u539f\u751f\u6df1\u5ea6\u534f\u540c\uff0c\u5bf9 NCCL \u901a\u4fe1\u94fe\u8def\u8fdb\u884c\u539f\u751f\u4f18\u5316\uff0c\u4e13\u95e8\u9762\u5411\u5927\u6a21\u578b\u9884\u8bad\u7ec3\u3001\u5fae\u8c03\u3001HPC \u8d85\u7b97\u4eff\u771f\u573a\u666f\u8bbe\u8ba1\u3002\u6280\u672f\u65b9\u6848\u4e0d\u662f\u5b64\u7acb\u5b58\u5728\u7684\uff0c\u53ea\u6709\u878d\u5165\u7528\u6237\u5df2\u6709\u7684\u6280\u672f\u6808\uff0c\u624d\u80fd\u771f\u6b63\u964d\u4f4e\u8fc1\u79fb\u6210\u672c\u3001\u53d1\u6325\u534f\u540c\u4ef7\u503c\u3002\u8fd9\u4efd\u5bf9\u751f\u6001\u7684\u656c\u754f\u4e0e\u6df1\u8015\uff0c\u662f\u8d5b\u535a\u6c38\u6b23\u591a\u5e74\u6765\u4e0d\u53d8\u7684\u5de5\u4f5c\u65b9\u5f0f\u3002<\/p>\n

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\u8ba9\u7b97\u529b\u88ab\u5584\u5f85<\/h3>\n

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