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\u4e00\u3001\u884c\u4e1a\u73b0\u72b6\uff1a\u901a\u4fe1\u74f6\u9888\u5236\u7ea6\u5206\u5e03\u5f0f\u8bad\u7ec3\u89c4\u6a21\u5316\u843d\u5730<\/h3>\n\n\n\n

\u968f\u7740\u5927\u6a21\u578b\u53c2\u6570\u89c4\u6a21\u7a81\u7834\u5343\u4ebf\u3001\u4e07\u4ebf\u7ea7\u522b\uff0cAI\u8bad\u7ec3\u4ece\u5355\u5361\u7b97\u529b\u6a21\u5f0f\u5168\u9762\u8f6c\u5411\u591aGPU\u96c6\u7fa4\u5206\u5e03\u5f0f\u8bad\u7ec3\u6a21\u5f0f\u3002\u884c\u4e1a\u5b9e\u6d4b\u6570\u636e\u663e\u793a\uff0c\u5343\u5361\u96c6\u7fa4\u8bad\u7ec3175B\u53c2\u6570\u6a21\u578b\u65f6\uff0c\u4f20\u7edf\u5206\u5e03\u5f0f\u67b6\u6784\u4e0b\u901a\u4fe1\u8017\u65f6\u5360\u6bd4\u6700\u9ad8\u53ef\u8fbe68%\uff0c\u7b97\u529b\u8d44\u6e90\u6709\u6548\u5229\u7528\u7387\u4e0d\u8db340%\uff0c\u5e26\u5bbd\u963b\u585e\u3001\u6570\u636e\u540c\u6b65\u5ef6\u8fdf\u3001\u7b97\u529b\u8c03\u5ea6\u5931\u8861\u6210\u4e3a\u6838\u5fc3\u75db\u70b9\u3002<\/p>\n\n\n\n

\u5f53\u524d\u4e3b\u6d41\u8bad\u7ec3\u573a\u666f\u4e2d\uff0c\u6734\u7d20\u5e7f\u64ad\u901a\u4fe1\u6a21\u5f0f\u5e26\u5bbd\u5229\u7528\u7387\u4f4e\uff0c\u591a\u8282\u70b9\u6570\u636e\u540c\u6b65\u9891\u7e41\u4ea7\u751f\u5197\u4f59\u4f20\u8f93\uff0c\u53e0\u52a0GPU\u7b97\u529b\u6027\u80fd\u6301\u7eed\u8fed\u4ee3\uff0c\u901a\u4fe1\u901f\u5ea6\u4e0e\u8ba1\u7b97\u901f\u5ea6\u7684\u5dee\u8ddd\u6301\u7eed\u62c9\u5927\uff0c\u76f4\u63a5\u5bfc\u81f4\u96c6\u7fa4\u6269\u5c55\u6548\u7387\u4e0b\u6ed1\uff0c\u5927\u5e45\u589e\u52a0\u5927\u6a21\u578b\u8bad\u7ec3\u7684\u65f6\u95f4\u6210\u672c\u4e0e\u7b97\u529b\u80fd\u8017\u3002\u5728\u6b64\u80cc\u666f\u4e0b\uff0cGPU\u901a\u4fe1\u6548\u7387\u4f18\u5316\u6210\u4e3a\u5206\u5e03\u5f0f\u8bad\u7ec3\u964d\u672c\u589e\u6548\u3001\u89c4\u6a21\u5316\u90e8\u7f72\u7684\u6838\u5fc3\u7a81\u7834\u53e3\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u4e8c\u3001\u6838\u5fc3\u6280\u672f\uff1a\u56db\u5927GPU\u901a\u4fe1\u6548\u7387\u4f18\u5316\u8def\u5f84<\/h3>\n\n\n\n

1. \u901a\u4fe1\u7b97\u6cd5\u62d3\u6251\u4f18\u5316<\/h4>\n\n\n\n

Ring-AllReduce\u7b97\u6cd5\u662f\u5f53\u524d\u5206\u5e03\u5f0f\u8bad\u7ec3\u7684\u4e3b\u6d41\u57fa\u7840\u65b9\u6848\uff0c\u76f8\u8f83\u4e8e\u4f20\u7edf\u5e7f\u64ad\u805a\u5408\u6a21\u5f0f\uff0c\u53ef\u6709\u6548\u5747\u8861\u591a\u5361\u901a\u4fe1\u5e26\u5bbd\u8d1f\u8f7d\u3002\u5b9e\u6d4b\u6570\u636e\u663e\u793a\uff0c\u57288\u00d7A100\u300125Gbps IB\u73af\u5883\u4e0b\uff0c\u57fa\u4e8eNCCL\u7684Ring-AllReduce\u65b9\u6848\uff0c128MB\u68af\u5ea6\u540c\u6b65\u8017\u65f6182ms\uff0c64\u5361\u96c6\u7fa4\u6269\u5c55\u6548\u7387\u53ef\u8fbe91%\u3002\u9488\u5bf9\u4e0d\u540c\u96c6\u7fa4\u67b6\u6784\uff0c\u884c\u4e1a\u5f62\u6210\u6807\u51c6\u5316\u9002\u914d\u89c4\u5219\uff1a\u5355\u8282\u70b9\u591aGPU\u573a\u666f\u4f18\u5148\u91c7\u7528Ring\u7b97\u6cd5\uff0c8\u8282\u70b9\u4ee5\u4e0a\u591a\u96c6\u7fa4\u573a\u666f\u9002\u914dTree\u62d3\u6251\u7b97\u6cd5\uff0c\u53ef\u5b9e\u73b015%-20%\u7684\u901a\u4fe1\u6548\u7387\u63d0\u5347\u3002<\/p>\n\n\n\n

2. \u68af\u5ea6\u538b\u7f29\u4e0e\u8bef\u5dee\u6821\u6b63\u6280\u672f<\/h4>\n\n\n\n

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3. \u901a\u4fe1\u8ba1\u7b97\u91cd\u53e0\u8c03\u5ea6<\/h4>\n\n\n\n

\u901a\u8fc7\u6d41\u6c34\u7ebf\u8c03\u5ea6\u91cd\u6784\u8bad\u7ec3\u6d41\u7a0b\uff0c\u62c6\u5206\u68af\u5ea6\u8ba1\u7b97\u3001\u6570\u636e\u4f20\u8f93\u3001\u53c2\u6570\u66f4\u65b0\u73af\u8282\uff0c\u5b9e\u73b0\u8ba1\u7b97\u4e0e\u901a\u4fe1\u5e76\u884c\u6267\u884c\uff0c\u6d88\u9664GPU\u7b97\u529b\u7a7a\u95f2\u7b49\u5f85\u3002\u8be5\u65b9\u6848\u53ef\u5c06\u5343\u5361\u96c6\u7fa4\u5927\u6a21\u578b\u8bad\u7ec3\u7684\u901a\u4fe1\u8017\u65f6\u5360\u6bd4\u4ece68%\u964d\u81f312%\uff0c\u6574\u4f53\u8bad\u7ec3\u541e\u5410\u91cf\u63d0\u53474.7\u500d\uff0c\u5f7b\u5e95\u89e3\u51b3\u201c\u7b97\u529b\u95f2\u7f6e\u3001\u901a\u4fe1\u5361\u987f\u201d\u7684\u884c\u4e1a\u75db\u70b9\u3002\u540c\u65f6\u901a\u8fc7NCCL\u53c2\u6570\u8c03\u4f18\uff0c\u914d\u7f6e\u4e13\u5c5e\u901a\u4fe1\u7ebf\u7a0b\u4e0e\u5957\u63a5\u5b57\u53c2\u6570\uff0c\u53ef\u8fdb\u4e00\u6b65\u63d0\u5347\u591a\u5361\u534f\u540c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

4. \u5206\u5c42\u5e76\u884c\u67b6\u6784\u8fed\u4ee3<\/h4>\n\n\n\n

\u4ee5ZeRO\u4e09\u9636\u6bb5\u53c2\u6570\u5207\u7247\u6280\u672f\u4e3a\u6838\u5fc3\uff0c\u62c6\u5206\u4f18\u5316\u5668\u72b6\u6001\u3001\u68af\u5ea6\u6570\u636e\u3001\u6a21\u578b\u53c2\u6570\uff0c\u5206\u6563\u5b58\u50a8\u81f3\u4e0d\u540cGPU\u8282\u70b9\uff0c\u7ed3\u5408\u7ec4\u5185\u53c2\u6570\u5207\u7247\u3001\u7ec4\u95f4\u6570\u636e\u5e76\u884c\u7684\u6df7\u5408\u6a21\u5f0f\uff0c\u964d\u4f4e\u5355\u8282\u70b9\u663e\u5b58\u4e0e\u901a\u4fe1\u538b\u529b\u3002\u8be5\u67b6\u6784\u53ef\u652f\u6491\u767e\u4ebf\u3001\u5343\u4ebf\u7ea7\u53c2\u6570\u6a21\u578b\u9ad8\u6548\u5206\u5e03\u5f0f\u8bad\u7ec3\uff0c\u9002\u914d\u8d85\u5927\u89c4\u6a21\u7b97\u529b\u96c6\u7fa4\u7684\u6a2a\u5411\u6269\u5c55\u9700\u6c42\u3002<\/p>\n\n\n\n

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\u56db\u3001\u884c\u4e1a\u8d8b\u52bf\uff1a\u7cbe\u7ec6\u5316\u901a\u4fe1\u4f18\u5316\u6210\u7b97\u529b\u5347\u7ea7\u6838\u5fc3<\/h3>\n\n\n\n

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