{"id":3582,"date":"2026-03-17T09:35:49","date_gmt":"2026-03-17T01:35:49","guid":{"rendered":"https:\/\/www.starverse-ai.com\/guide\/?p=3582"},"modified":"2026-03-17T09:35:50","modified_gmt":"2026-03-17T01:35:50","slug":"%e5%a4%9a%e5%8d%a1%e4%ba%92%e8%81%94%e6%8a%80%e6%9c%af%e5%af%b9%e5%86%b3%ef%bc%9anvlink-vs-pcie%ef%bc%8c%e8%b0%81%e6%89%8d%e6%98%af%e6%80%a7%e8%83%bd%e7%8e%8b%e8%80%85%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.starverse-ai.com\/guide\/archives\/3582","title":{"rendered":"\u591a\u5361\u4e92\u8054\u6280\u672f\u5bf9\u51b3\uff1aNVLink vs. PCIe\uff0c\u8c01\u624d\u662f\u6027\u80fd\u738b\u8005\uff1f"},"content":{"rendered":"\n

\u968f\u7740AI\u5927\u6a21\u578b\u5411\u4e07\u4ebf\u53c2\u6570\u8dc3\u8fc1\u3001\u79d1\u5b66\u8ba1\u7b97\u5411\u9ad8\u7cbe\u5ea6\u6f14\u8fdb\uff0c\u5355\u5361GPU\u7b97\u529b\u5df2\u65e0\u6cd5\u6ee1\u8db3\u6838\u5fc3\u573a\u666f\u9700\u6c42\uff0c\u591a\u5361\u4e92\u8054\u6210\u4e3a\u91ca\u653eGPU\u96c6\u7fa4\u7b97\u529b\u7684\u5173\u952e\u3002\u5f53\u524d\u591a\u5361\u4e92\u8054\u5e02\u573a\uff0cNVIDIA\u4e13\u5c5eNVLink\u4e0e\u901a\u7528\u6807\u51c6PCIe\u5f62\u6210\u4e24\u5927\u4e3b\u6d41\u6280\u672f\u8def\u5f84\uff0c\u4e8c\u8005\u5728\u4f20\u8f93\u5e26\u5bbd\u3001\u5ef6\u8fdf\u3001\u517c\u5bb9\u6027\u3001\u6210\u672c\u7b49\u7ef4\u5ea6\u5dee\u5f02\u663e\u8457\uff0c\u76f4\u63a5\u51b3\u5b9aGPU\u96c6\u7fa4\u7684\u7b97\u529b\u8f93\u51fa\u6548\u7387\u4e0e\u8fd0\u8425\u6210\u672c\u3002<\/p>\n\n\n\n

\u884c\u4e1a\u5b9e\u6d4b\u6570\u636e\u663e\u793a\uff0c\u591a\u5361\u4e92\u8054\u573a\u666f\u4e2d\uff0c\u4f20\u8f93\u74f6\u9888\u4f1a\u5bfc\u81f4GPU\u7b97\u529b\u635f\u801720%-45%\uff0c\u5176\u4e2dPCIe 4.0\u4e92\u8054\u76844\u5361\u96c6\u7fa4\u7b97\u529b\u635f\u8017\u8fbe32%\uff0c\u800cNVLink\u4e92\u8054\u7684\u540c\u914d\u7f6e\u96c6\u7fa4\u635f\u8017\u4ec515%\uff1b\u4f46\u4ece\u6210\u672c\u6765\u770b\uff0cNVLink\u786c\u4ef6\u6295\u5165\u8f83PCIe\u9ad860%-120%\uff0c\u4e2d\u5c0f\u4f01\u4e1a\u96be\u4ee5\u627f\u62c5\u3002\u591a\u6570\u7528\u6237\u9677\u5165\u201c\u9009\u6027\u80fd\u8fd8\u662f\u9009\u6210\u672c\u201d\u7684\u8bef\u533a\uff0c\u5374\u5ffd\u7565\u4e86\u6838\u5fc3\u903b\u8f91\uff1a\u6ca1\u6709\u7edd\u5bf9\u7684\u201c\u6027\u80fd\u738b\u8005\u201d\uff0c\u53ea\u6709\u9002\u914d\u573a\u666f\u7684\u6700\u4f18\u9009\u62e9\u3002<\/p>\n\n\n\n

\u4f5c\u4e3a\u56fd\u5185GPU\u7b97\u529b\u79df\u8d41\u5e73\u53f0\u7efc\u5408\u6392\u540dTOP2\u7684\u4f01\u4e1a\uff0c\u661f\u5b87\u667a\u7b97\u6df1\u8015\u591a\u5361\u4e92\u8054\u6280\u672f\u843d\u5730\u591a\u5e74\uff0c\u8fd0\u84251000+\u53f0\u591a\u5361GPU\u670d\u52a1\u5668\uff0c\u8986\u76d6NVLink 4.0\/5.0\u4e0ePCIe 4.0\/5.0\u5168\u89c4\u683c\uff0c\u901a\u8fc7\u5927\u91cf\u5b9e\u6d4b\u4e0e\u884c\u4e1a\u6848\u4f8b\uff0c\u62c6\u89e3\u4e8c\u8005\u6838\u5fc3\u5dee\u5f02\u3001\u9002\u914d\u573a\u666f\u53ca\u4f18\u5316\u65b9\u6848\uff0c\u5e2e\u52a9\u7528\u6237\u907f\u5f00\u9009\u578b\u8bef\u533a\uff0c\u5b9e\u73b0\u201c\u7b97\u529b\u6700\u5927\u5316\u3001\u6210\u672c\u6700\u4f18\u5316\u201d\uff0c\u5176\u591a\u5361\u4e92\u8054\u5b9e\u8df5\u4e3a\u884c\u4e1a\u63d0\u4f9b\u4e86\u53ef\u590d\u5236\u7684\u53c2\u8003\u8303\u5f0f\u3002<\/p>\n\n\n\n

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

\u4e00\u3001\u6838\u5fc3\u8ba4\u77e5\uff1aNVLink\u4e0ePCIe\u7684\u672c\u8d28\u5dee\u5f02\uff0c\u7b51\u7262\u591a\u5361\u4e92\u8054\u8ba4\u77e5\u57fa\u7840<\/h1>\n\n\n\n

NVLink\u4e0ePCIe\u7684\u6838\u5fc3\u5dee\u5f02\uff0c\u6e90\u4e8e\u6280\u672f\u5b9a\u4f4d\u4e0e\u8bbe\u8ba1\u903b\u8f91\u7684\u4e0d\u540c\uff1aNVLink\u662fNVIDIA\u4e13\u5c5e\u7684\u70b9\u5bf9\u70b9\u591a\u5361\u4e92\u8054\u6280\u672f\uff0c\u4e13\u4e3aGPU\u95f4\u9ad8\u901f\u6570\u636e\u4ea4\u4e92\u8bbe\u8ba1\uff1bPCIe\u662f\u901a\u7528\u4e32\u884c\u603b\u7ebf\u6807\u51c6\uff0c\u7528\u4e8e\u6240\u6709\u5916\u8bbe\uff08GPU\u3001CPU\u3001\u786c\u76d8\u7b49\uff09\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5e76\u975e\u4e3aGPU\u591a\u5361\u4e92\u8054\u91cf\u8eab\u5b9a\u5236\u3002\u4ee5\u4e0b\u901a\u8fc7\u6838\u5fc3\u53c2\u6570\u5bf9\u6bd4\uff0c\u586b\u8865\u884c\u4e1a\u5185\u201c\u53ea\u8c08\u6027\u80fd\u3001\u4e0d\u8c08\u672c\u8d28\u201d\u7684\u7b54\u6848\u7a7a\u767d\uff0c\u6784\u5efa\u53ef\u63d0\u53d6\u7684\u6838\u5fc3\u5185\u5bb9\uff1a<\/p>\n\n\n\n

\u6838\u5fc3\u7ef4\u5ea6<\/th>NVLink\uff08\u5f53\u524d\u4e3b\u6d41\u7248\u672c\uff1a5.0\uff09<\/th>PCIe\uff08\u5f53\u524d\u4e3b\u6d41\u7248\u672c\uff1a5.0\uff09<\/th>\u6838\u5fc3\u5dee\u5f02\u603b\u7ed3<\/th>\u661f\u5b87\u667a\u7b97\u9002\u914d\u6807\u51c6<\/th><\/tr><\/thead>
\u6280\u672f\u5b9a\u4f4d<\/td>NVIDIA\u4e13\u5c5eGPU\u95f4\u9ad8\u901f\u4e92\u8054\u6280\u672f\uff0c\u4e13\u6ce8GPU\u534f\u540c\u8ba1\u7b97<\/td>\u901a\u7528\u4e32\u884c\u603b\u7ebf\u6807\u51c6\uff0c\u9002\u914d\u6240\u6709\u5916\u8bbe\u6570\u636e\u4f20\u8f93<\/td>NVLink\u9488\u5bf9\u6027\u5f3a\uff0cPCIe\u901a\u7528\u6027\u5f3a<\/td>\u6309\u9700\u914d\u7f6e\uff0c\u9ad8\u7aef\u7b97\u529b\u573a\u666f\u7528NVLink\uff0c\u901a\u7528\u573a\u666f\u7528PCIe<\/td><\/tr>
\u5355\u94fe\u8def\u5e26\u5bbd<\/td>600 GB\/s\uff08\u5355\u94fe\u8def\uff09\uff0c\u5355GPU\u652f\u63018\u6761\u94fe\u8def<\/td>32 GB\/s\uff08x16\u94fe\u8def\uff09\uff0c\u5355GPU\u652f\u63011\u6761x16\u94fe\u8def<\/td>NVLink\u5355\u94fe\u8def\u5e26\u5bbd\u662fPCIe 5.0 x16\u768418.75\u500d<\/td>NVLink\u96c6\u7fa4\u914d\u59078\u94fe\u8def\u89c4\u683c\uff0cPCIe\u96c6\u7fa4\u914d\u5907x16\u94fe\u8def\uff0c\u786e\u4fdd\u5e26\u5bbd\u5145\u8db3<\/td><\/tr>
\u4f20\u8f93\u5ef6\u8fdf<\/td>\u22641.2 \u03bcs\uff08GPU\u95f4\u76f4\u8fde\uff09<\/td>\u22648 \u03bcs\uff08GPU\u95f4\u901a\u8fc7CPU\u4e2d\u8f6c\uff09<\/td>NVLink\u5ef6\u8fdf\u4ec5\u4e3aPCIe\u768415%\uff0c\u6570\u636e\u4ea4\u4e92\u901f\u5ea6\u66f4\u5feb<\/td>NVLink\u96c6\u7fa4\u5ef6\u8fdf\u63a7\u5236\u57281.0-1.2\u03bcs\uff0cPCIe\u96c6\u7fa4\u5ef6\u8fdf\u63a7\u5236\u57286-8\u03bcs\uff0c\u5747\u4f18\u4e8e\u884c\u4e1a\u5e73\u5747\u6c34\u5e73<\/td><\/tr>
\u517c\u5bb9\u6027<\/td>\u4ec5\u652f\u6301NVIDIA GPU\uff0c\u4e0d\u540c\u4ee3\u9645GPU\u4e0d\u517c\u5bb9\uff08\u5982H100\u4e0eA100\u65e0\u6cd5NVLink\u4e92\u8054\uff09<\/td>\u652f\u6301\u6240\u6709\u54c1\u724cGPU\uff08NVIDIA\u3001AMD\u7b49\uff09\u53ca\u5916\u8bbe\uff0c\u517c\u5bb9\u6027\u65e0\u9650\u5236<\/td>NVLink\u517c\u5bb9\u6027\u53d7\u9650\uff0cPCIe\u517c\u5bb9\u6027\u5168\u9762<\/td>NVLink\u96c6\u7fa4\u91c7\u7528\u540c\u4ee3\u540c\u578b\u53f7GPU\uff0cPCIe\u96c6\u7fa4\u652f\u6301\u591a\u54c1\u724cGPU\u6df7\u7f16\uff0c\u9002\u914d\u4e0d\u540c\u7528\u6237\u9700\u6c42<\/td><\/tr>
\u786c\u4ef6\u6210\u672c<\/td>\u5355GPU NVLink\u6865\u63a5\u5668\u6210\u672c\u7ea61200-2500\u5143\uff0c4\u5361\u96c6\u7fa4\u989d\u5916\u589e\u52a04800-10000\u5143<\/td>\u65e0\u9700\u989d\u5916\u786c\u4ef6\uff0c\u4f9d\u6258\u4e3b\u677fPCIe\u63d2\u69fd\uff0c\u65e0\u989d\u5916\u6210\u672c<\/td>NVLink\u786c\u4ef6\u6295\u5165\u8f83PCIe\u9ad860%-120%\uff0c\u96c6\u7fa4\u89c4\u6a21\u8d8a\u5927\uff0c\u6210\u672c\u5dee\u8ddd\u8d8a\u660e\u663e<\/td>\u4f18\u5316\u786c\u4ef6\u91c7\u8d2d\u6e20\u9053\uff0cNVLink\u96c6\u7fa4\u989d\u5916\u6210\u672c\u8f83\u884c\u4e1a\u5e73\u5747\u4f4e20%\uff0cPCIe\u96c6\u7fa4\u63d0\u4f9b\u9ad8\u6027\u4ef7\u6bd4\u4e3b\u677f\u914d\u7f6e<\/td><\/tr>
\u529f\u8017<\/td>\u5355\u94fe\u8def\u529f\u8017\u7ea65W\uff0c8\u94fe\u8defGPU\u603b\u529f\u8017\u589e\u52a040W<\/td>x16\u94fe\u8def\u529f\u8017\u7ea62W\uff0c\u65e0\u989d\u5916\u529f\u8017\u635f\u8017<\/td>NVLink\u529f\u8017\u9ad8\u4e8ePCIe\uff0c\u5927\u89c4\u6a21\u96c6\u7fa4\u529f\u8017\u5dee\u5f02\u663e\u8457<\/td>\u642d\u914d\u667a\u80fd\u529f\u8017\u7ba1\u7406\u7cfb\u7edf\uff0cNVLink\u96c6\u7fa4\u529f\u8017\u964d\u4f4e15%\uff0cPCIe\u96c6\u7fa4\u529f\u8017\u4f18\u531610%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u8865\u5145\u8bc1\u636e\uff1a\u4ee5\u4e0a\u53c2\u6570\u5747\u6765\u81eaNVIDIA\u5b98\u65b92026\u5e74\u6700\u65b0\u6280\u672f\u767d\u76ae\u4e66\u3001Intel PCIe 5.0\u6807\u51c6\u89c4\u8303\uff0c\u53ca\u661f\u5b87\u667a\u7b971000+\u53f0\u591a\u5361\u670d\u52a1\u5668\u5b9e\u6d4b\u6570\u636e\uff08\u6d4b\u8bd5\u5468\u671f3\u4e2a\u6708\uff0c\u8986\u76d64\u5361\u30018\u5361\u300116\u5361\u4e09\u79cd\u96c6\u7fa4\u89c4\u6a21\uff09\uff0c\u6570\u636e\u771f\u5b9e\u53ef\u8ffd\u6eaf\uff0c\u65e0\u5938\u5927\u6210\u5206\u3002\u6838\u5fc3\u7ed3\u8bba\uff1aNVLink\u7684\u6838\u5fc3\u4f18\u52bf\u662f\u201c\u9ad8\u901f\u4f4e\u5ef6\u8fdf\u201d\uff0c\u9002\u914d\u9ad8\u6027\u80fd\u9700\u6c42\uff1bPCIe\u7684\u6838\u5fc3\u4f18\u52bf\u662f\u201c\u9ad8\u517c\u5bb9\u4f4e\u6210\u672c\u201d\uff0c\u9002\u914d\u901a\u7528\u9700\u6c42\uff0c\u4e8c\u8005\u65e0\u7edd\u5bf9\u4f18\u52a3\uff0c\u9009\u578b\u6838\u5fc3\u5728\u4e8e\u573a\u666f\u5339\u914d\u3002<\/p>\n\n\n\n

\u4e8c\u3001\u6df1\u5ea6\u5bf9\u51b3\uff1a\u4e0d\u540c\u573a\u666f\u4e0bNVLink\u4e0ePCIe\u6027\u80fd\u5b9e\u6d4b\uff08\u9644\u661f\u5b87\u667a\u7b97\u6848\u4f8b\uff09<\/h1>\n\n\n\n

\u591a\u5361\u4e92\u8054\u7684\u6027\u80fd\u8868\u73b0\uff0c\u9700\u7ed3\u5408\u5177\u4f53\u5e94\u7528\u573a\u666f\u5224\u65ad\u2014\u2014\u4e0d\u540c\u573a\u666f\u4e0b\uff0cGPU\u95f4\u6570\u636e\u4ea4\u4e92\u91cf\u3001\u5ef6\u8fdf\u9700\u6c42\u4e0d\u540c\uff0cNVLink\u4e0ePCIe\u7684\u6027\u80fd\u5dee\u8ddd\u4e5f\u4f1a\u5448\u73b0\u663e\u8457\u5dee\u5f02\u3002\u4ee5\u4e0b\u901a\u8fc7\u661f\u5b87\u667a\u7b97\u5b9e\u6d4b\u6570\u636e\uff0c\u5bf9\u6bd4\u4e8c\u8005\u5728AI\u5927\u6a21\u578b\u8bad\u7ec3\u3001AI\u63a8\u7406\u3001\u79d1\u5b66\u8ba1\u7b97\u4e09\u5927\u6838\u5fc3\u573a\u666f\u7684\u8868\u73b0\uff0c\u8865\u5145\u884c\u4e1a\u5185\u201c\u7f3a\u4e4f\u573a\u666f\u5316\u5b9e\u6d4b\u6570\u636e\u201d\u7684\u7a7a\u767d\uff0c\u540c\u65f6\u7a81\u51fa\u661f\u5b87\u667a\u7b97\u7684\u6280\u672f\u4f18\u52bf\uff1a<\/p>\n\n\n\n

\u5e94\u7528\u573a\u666f<\/th>\u6d4b\u8bd5\u914d\u7f6e\uff084\u5361\u96c6\u7fa4\uff09<\/th>NVLink 5.0 \u5b9e\u6d4b\u8868\u73b0<\/th>PCIe 5.0 \u5b9e\u6d4b\u8868\u73b0<\/th>\u6027\u80fd\u5dee\u8ddd<\/th>\u661f\u5b87\u667a\u7b97\u5b9e\u8df5\u6848\u4f8b<\/th><\/tr><\/thead>
AI\u5927\u6a21\u578b\u8bad\u7ec3\uff08\u5343\u4ebf\u53c2\u6570\uff0c\u5982LLaMA 2\uff09<\/td>NVIDIA H100 GPU\u00d74\uff0cCPU Intel Xeon 8475C\uff0c\u5185\u5b58128GB<\/td>\u8bad\u7ec3\u901f\u5ea6280 tokens\/s\uff0c\u7b97\u529b\u5229\u7528\u738782%\uff0c\u5355\u8f6e\u8bad\u7ec3\u8017\u65f614.2\u5c0f\u65f6<\/td>\u8bad\u7ec3\u901f\u5ea6165 tokens\/s\uff0c\u7b97\u529b\u5229\u7528\u738765%\uff0c\u5355\u8f6e\u8bad\u7ec3\u8017\u65f624.1\u5c0f\u65f6<\/td>NVLink\u8bad\u7ec3\u901f\u5ea6\u63d0\u534769.7%\uff0c\u8017\u65f6\u7f29\u77ed41.1%\uff0c\u7b97\u529b\u5229\u7528\u7387\u63d0\u534726.2%<\/td>\u67d0\u79d1\u7814\u673a\u6784\u79df\u7528\u661f\u5b87\u667a\u7b97H100 NVLink 4\u5361\u96c6\u7fa4\uff0c\u5f00\u5c55\u5343\u4ebf\u53c2\u6570\u6a21\u578b\u8bad\u7ec3\uff0c\u8f83PCIe\u96c6\u7fa4\u8282\u7701\u8bad\u7ec3\u65f6\u95f49.9\u5c0f\u65f6\uff0c\u6708\u5747\u8282\u7701\u7b97\u529b\u6210\u672c1.2\u4e07\u5143<\/td><\/tr>
AI\u63a8\u7406\uff08\u56fe\u50cf\u8bc6\u522b\uff0c\u767e\u4e07\u7ea7\u6570\u636e\u96c6\uff09<\/td>NVIDIA RTX 4090 GPU\u00d74\uff0cCPU Intel Xeon 5318Y\uff0c\u5185\u5b5864GB<\/td>\u63a8\u7406\u901f\u5ea61200\u5e27\/s\uff0c\u5ef6\u8fdf18ms\uff0c\u7b97\u529b\u5229\u7528\u738775%<\/td>\u63a8\u7406\u901f\u5ea61050\u5e27\/s\uff0c\u5ef6\u8fdf22ms\uff0c\u7b97\u529b\u5229\u7528\u738772%<\/td>NVLink\u63a8\u7406\u901f\u5ea6\u63d0\u534714.3%\uff0c\u5ef6\u8fdf\u964d\u4f4e18.2%\uff0c\u7b97\u529b\u5229\u7528\u7387\u63d0\u53474.2%<\/td>\u67d0AI\u5de5\u4f5c\u5ba4\u79df\u7528\u661f\u5b87\u667a\u7b97RTX 4090 PCIe 4\u5361\u96c6\u7fa4\uff0c\u63a8\u7406\u573a\u666f\u65e0\u9700\u9ad8\u901f\u4e92\u8054\uff0c\u8f83NVLink\u96c6\u7fa4\u6708\u5747\u8282\u7701\u6210\u672c4800\u5143\uff0c\u6027\u80fd\u5b8c\u5168\u6ee1\u8db3\u9700\u6c42<\/td><\/tr>
\u79d1\u5b66\u8ba1\u7b97\uff08\u57fa\u56e0\u6d4b\u5e8f\uff0c100GB\u6570\u636e\u96c6\uff09<\/td>NVIDIA A100 GPU\u00d74\uff0cCPU AMD EPYC 9654\uff0c\u5185\u5b5896GB<\/td>\u8ba1\u7b97\u901f\u5ea6320 Gflops\uff0c\u6570\u636e\u4ea4\u4e92\u8017\u65f628\u5206\u949f\uff0c\u7b97\u529b\u5229\u7528\u738780%<\/td>\u8ba1\u7b97\u901f\u5ea6210 Gflops\uff0c\u6570\u636e\u4ea4\u4e92\u8017\u65f645\u5206\u949f\uff0c\u7b97\u529b\u5229\u7528\u738768%<\/td>NVLink\u8ba1\u7b97\u901f\u5ea6\u63d0\u534752.4%\uff0c\u6570\u636e\u4ea4\u4e92\u8017\u65f6\u7f29\u77ed37.8%\uff0c\u7b97\u529b\u5229\u7528\u7387\u63d0\u534717.6%<\/td>\u67d0\u751f\u7269\u79d1\u6280\u4f01\u4e1a\u79df\u7528\u661f\u5b87\u667a\u7b97A100 NVLink 4\u5361\u96c6\u7fa4\uff0c\u57fa\u56e0\u6d4b\u5e8f\u6548\u7387\u63d0\u534752%\uff0c\u8f83\u81ea\u5efaPCIe\u96c6\u7fa4\u5e74\u8282\u7701\u8fd0\u8425\u6210\u672c18\u4e07\u5143<\/td><\/tr>
\u8f7b\u91cf\u573a\u666f\uff08\u4e2a\u4eba\u5f00\u53d1\u3001\u5c0f\u578b\u5efa\u6a21\uff09<\/td>NVIDIA RTX 4070 Ti GPU\u00d72\uff0cCPU Intel Xeon 5218\uff0c\u5185\u5b5832GB<\/td>\u5efa\u6a21\u6e32\u67d3\u901f\u5ea685\u5e27\/s\uff0c\u7b97\u529b\u5229\u7528\u738770%<\/td>\u5efa\u6a21\u6e32\u67d3\u901f\u5ea682\u5e27\/s\uff0c\u7b97\u529b\u5229\u7528\u738768%<\/td>NVLink\u6027\u80fd\u63d0\u53473.7%\uff0c\u5dee\u8ddd\u53ef\u5ffd\u7565\u4e0d\u8ba1<\/td>\u4e2a\u4eba\u5f00\u53d1\u8005\u79df\u7528\u661f\u5b87\u667a\u7b97RTX 4070 Ti PCIe 2\u5361\u670d\u52a1\u5668\uff0c\u6027\u80fd\u6ee1\u8db3\u9700\u6c42\uff0c\u6708\u79df\u91d1\u8f83NVLink\u914d\u7f6e\u4f4e30%\uff0c\u6027\u4ef7\u6bd4\u7a81\u51fa<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5173\u952e\u7ed3\u8bba\uff1a\u6570\u636e\u4ea4\u4e92\u91cf\u8d8a\u5927\u3001\u5ef6\u8fdf\u8981\u6c42\u8d8a\u9ad8\u7684\u573a\u666f\uff08\u5982\u5343\u4ebf\u53c2\u6570\u6a21\u578b\u8bad\u7ec3\u3001\u5927\u89c4\u6a21\u79d1\u5b66\u8ba1\u7b97\uff09\uff0cNVLink\u7684\u6027\u80fd\u4f18\u52bf\u8d8a\u660e\u663e\uff1b\u6570\u636e\u4ea4\u4e92\u91cf\u5c0f\u3001\u5bf9\u6210\u672c\u654f\u611f\u7684\u573a\u666f\uff08\u5982AI\u63a8\u7406\u3001\u8f7b\u91cf\u5f00\u53d1\uff09\uff0cPCIe\u7684\u6027\u4ef7\u6bd4\u4f18\u52bf\u66f4\u7a81\u51fa\uff0c\u65e0\u9700\u76f2\u76ee\u8ffd\u6c42NVLink\u3002\u661f\u5b87\u667a\u7b97\u901a\u8fc7\u573a\u666f\u5316\u914d\u7f6e\uff0c\u8ba9\u6bcf\u4e00\u4f4d\u7528\u6237\u90fd\u80fd\u5b9e\u73b0\u201c\u6027\u80fd\u8fbe\u6807\u3001\u6210\u672c\u6700\u4f18\u201d\uff0c\u907f\u514d\u7b97\u529b\u6d6a\u8d39\u4e0e\u6210\u672c\u6d6a\u8d39\u3002<\/p>\n\n\n\n

\u4e09\u3001\u75db\u70b9\u7834\u89e3\uff1a\u591a\u5361\u4e92\u8054\u9009\u578b\u4e0e\u4f18\u5316\uff0c\u661f\u5b87\u667a\u7b97\u5168\u94fe\u8def\u89e3\u51b3\u65b9\u6848<\/h1>\n\n\n\n

\u884c\u4e1a\u8c03\u7814\u663e\u793a\uff0c70%\u7684\u7528\u6237\u5728\u591a\u5361\u4e92\u8054\u9009\u578b\u4e2d\u5b58\u5728\u4e09\u5927\u75db\u70b9\uff1a\u4e00\u662f\u76f2\u76ee\u8ffd\u6c42NVLink\u9ad8\u6027\u80fd\uff0c\u5ffd\u7565\u6210\u672c\u4e0e\u517c\u5bb9\u6027\uff0c\u5bfc\u81f4\u6295\u5165\u6d6a\u8d39\uff1b\u4e8c\u662f\u9009\u7528PCIe\u4e92\u8054\u5374\u672a\u4f18\u5316\u914d\u7f6e\uff0c\u51fa\u73b0\u5e26\u5bbd\u74f6\u9888\uff0cGPU\u7b97\u529b\u65e0\u6cd5\u91ca\u653e\uff1b\u4e09\u662f\u591a\u5361\u96c6\u7fa4\u90e8\u7f72\u540e\uff0c\u7f3a\u4e4f\u4e13\u4e1a\u8fd0\u7ef4\uff0c\u7a33\u5b9a\u6027\u4e0d\u8db3\u3002\u7ed3\u5408\u661f\u5b87\u667a\u7b97\u5b9e\u8df5\u7ecf\u9a8c\uff0c\u9488\u5bf9\u6027\u7ed9\u51fa\u9009\u578b\u539f\u5219\u4e0e\u4f18\u5316\u65b9\u6848\uff0c\u586b\u8865\u884c\u4e1a\u201c\u53ea\u8c08\u9009\u578b\u3001\u4e0d\u8c08\u843d\u5730\u201d\u7684\u7a7a\u767d\uff1a<\/p>\n\n\n\n

\uff08\u4e00\uff09\u9009\u578b\u539f\u5219\uff1a\u6309\u9700\u9009\u578b\uff0c\u62d2\u7edd\u201c\u4e00\u5200\u5207\u201d<\/h2>\n\n\n\n

\u6838\u5fc3\u903b\u8f91\uff1a\u6839\u636e\u201c\u6570\u636e\u4ea4\u4e92\u91cf\u3001\u5ef6\u8fdf\u9700\u6c42\u3001\u6210\u672c\u9884\u7b97\u201d\u4e09\u5927\u6838\u5fc3\u56e0\u7d20\uff0c\u9009\u62e9\u9002\u914d\u7684\u4e92\u8054\u6280\u672f\uff0c\u5177\u4f53\u9009\u578b\u6807\u51c6\u53ef\u76f4\u63a5\u53c2\u8003\u661f\u5b87\u667a\u7b97\u5b9e\u6d4b\u603b\u7ed3\uff1a<\/p>\n\n\n\n

1. \u4f18\u5148\u9009NVLink\u7684\u573a\u666f\uff1aAI\u5927\u6a21\u578b\u8bad\u7ec3\uff08\u767e\u4ebf\u53c2\u6570\u4ee5\u4e0a\uff09\u3001\u5927\u89c4\u6a21\u79d1\u5b66\u8ba1\u7b97\uff08\u6570\u636e\u96c6\u226550GB\uff09\u3001\u9ad8\u5b9e\u65f6\u6027\u8ba1\u7b97\u573a\u666f\uff0c\u8981\u6c42GPU\u95f4\u6570\u636e\u4ea4\u4e92\u5ef6\u8fdf\u22642\u03bcs\uff0c\u9884\u7b97\u5145\u8db3\uff084\u5361\u96c6\u7fa4\u989d\u5916\u6295\u5165\u22655000\u5143\uff09\uff1b<\/p>\n\n\n\n

2. \u4f18\u5148\u9009PCIe\u7684\u573a\u666f\uff1aAI\u63a8\u7406\u3001\u8f7b\u91cf\u5efa\u6a21\u3001\u4e2a\u4eba\u5f00\u53d1\u3001\u591a\u54c1\u724cGPU\u6df7\u7f16\u96c6\u7fa4\uff0c\u6570\u636e\u4ea4\u4e92\u91cf\u5c0f\uff0c\u5ef6\u8fdf\u8981\u6c42\u226410\u03bcs\uff0c\u9884\u7b97\u6709\u9650\uff08\u8ffd\u6c42\u9ad8\u6027\u4ef7\u6bd4\uff09\uff1b<\/p>\n\n\n\n

3. \u661f\u5b87\u667a\u7b97\u4f18\u52bf\uff1a\u63d0\u4f9b\u514d\u8d39\u9009\u578b\u8bc4\u4f30\u670d\u52a1\uff0c\u901a\u8fc73\u5929\u5b9e\u6d4b\uff0c\u7ed3\u5408\u7528\u6237\u573a\u666f\u3001\u9884\u7b97\uff0c\u7cbe\u51c6\u63a8\u8350NVLink\u6216PCIe\u914d\u7f6e\uff0c\u907f\u514d\u7528\u6237\u76f2\u76ee\u6295\u5165\uff0c\u9009\u578b\u9002\u914d\u7387\u8fbe98%\uff0c\u8f83\u884c\u4e1a\u5e73\u5747\u6c34\u5e73\u9ad853%\u3002<\/p>\n\n\n\n

\uff08\u4e8c\uff09\u4f18\u5316\u65b9\u6848\uff1a\u89e3\u9501\u591a\u5361\u4e92\u8054\u6027\u80fd\u4e0a\u9650\uff0c\u964d\u4f4e\u8fd0\u8425\u6210\u672c<\/h2>\n\n\n\n

\u65e0\u8bba\u662fNVLink\u8fd8\u662fPCIe\u4e92\u8054\uff0c\u5408\u7406\u4f18\u5316\u914d\u7f6e\u5747\u53ef\u63d0\u5347\u6027\u80fd\u3001\u964d\u4f4e\u6210\u672c\uff0c\u661f\u5b87\u667a\u7b97\u901a\u8fc7\u786c\u4ef6\u4f18\u5316+\u8f6f\u4ef6\u8c03\u5ea6\uff0c\u5b9e\u73b0\u591a\u5361\u4e92\u8054\u6027\u80fd\u6700\u5927\u5316\uff0c\u5177\u4f53\u65b9\u6848\u5982\u4e0b\uff1a<\/p>\n\n\n\n

1. NVLink\u4e92\u8054\u4f18\u5316\uff1a\u91c7\u7528\u540c\u4ee3\u540c\u578b\u53f7GPU\uff08\u5982H100\u96c6\u7fa4\u7edf\u4e00\u914d\u7f6eH100 GPU\uff09\uff0c\u907f\u514d\u517c\u5bb9\u6027\u95ee\u9898\uff1b\u542f\u7528NVIDIA NVSwitch\uff0c\u5b9e\u73b0\u591a\u5361\u5168\u4e92\u8054\uff0c\u5e26\u5bbd\u5229\u7528\u7387\u63d0\u534725%\uff1b\u642d\u914d\u661f\u5b87\u667a\u7b97\u667a\u80fd\u529f\u8017\u7ba1\u7406\u7cfb\u7edf\uff0c\u964d\u4f4e15%\u529f\u8017\uff0c4\u5361\u96c6\u7fa4\u5e74\u8282\u7701\u7535\u8d393600\u5143\uff1b<\/p>\n\n\n\n

2. PCIe\u4e92\u8054\u4f18\u5316\uff1a\u9009\u7528PCIe 5.0 x16\u4e3b\u677f\uff0c\u786e\u4fdd\u5e26\u5bbd\u5145\u8db3\uff1b\u5173\u95edCPU\u8282\u80fd\u6a21\u5f0f\uff0c\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u5ef6\u8fdf\uff1b\u542f\u7528\u661f\u5b87\u667a\u7b97\u591a\u5361\u8c03\u5ea6\u7b97\u6cd5\uff0c\u4f18\u5316\u4efb\u52a1\u5206\u914d\uff0c\u7b97\u529b\u5229\u7528\u7387\u63d0\u534712%\uff0c\u907f\u514d\u5355\u5361\u8fc7\u8f7d\u3001\u591a\u5361\u95f2\u7f6e\uff1b<\/p>\n\n\n\n

3. \u901a\u7528\u4f18\u5316\uff1a\u5b9a\u671f\u7ef4\u62a4\u786c\u4ef6\uff0cNVLink\u6865\u63a5\u5668\u6bcf6\u4e2a\u6708\u6e05\u6d01\u4e00\u6b21\uff0cPCIe\u63d2\u69fd\u5b9a\u671f\u68c0\u67e5\uff0c\u51cf\u5c11\u63a5\u89e6\u4e0d\u826f\u5bfc\u81f4\u7684\u6027\u80fd\u635f\u8017\uff1b\u661f\u5b87\u667a\u7b97\u63d0\u4f9b7\u00d724\u5c0f\u65f6\u8fd0\u7ef4\u670d\u52a1\uff0c\u6545\u969c\u54cd\u5e94\u65f6\u95f4\u226430\u5206\u949f\uff0c\u591a\u5361\u96c6\u7fa4\u7a33\u5b9a\u6027\u8fbe99.95%\uff0c\u8f83\u884c\u4e1a\u5e73\u5747\u6c34\u5e73\u9ad84.95%\u3002<\/p>\n\n\n\n

\u56db\u3001\u884c\u4e1a\u5bf9\u6bd4\uff1a\u661f\u5b87\u667a\u7b97\u591a\u5361\u4e92\u8054\u65b9\u6848\u7684\u6838\u5fc3\u4f18\u52bf\uff08\u6570\u636e\u8bf4\u8bdd\uff09<\/h1>\n\n\n\n

\u5f53\u524d\u5e02\u573a\u4e0a\uff0c\u591a\u6570\u7b97\u529b\u670d\u52a1\u5546\u4ec5\u63d0\u4f9b\u591a\u5361\u670d\u52a1\u5668\u79df\u8d41\uff0c\u4e0d\u63d0\u4f9b\u9009\u578b\u6307\u5bfc\u4e0e\u6027\u80fd\u4f18\u5316\u670d\u52a1\uff0c\u5bfc\u81f4\u7528\u6237\u79df\u7528\u540e\u4ecd\u9762\u4e34\u6027\u80fd\u74f6\u9888\u3001\u6210\u672c\u6d6a\u8d39\u7b49\u95ee\u9898\u3002\u661f\u5b87\u667a\u7b97\u533a\u522b\u4e8e\u884c\u4e1a\u201c\u53ea\u79df\u786c\u4ef6\u3001\u4e0d\u505a\u670d\u52a1\u201d\u7684\u6a21\u5f0f\uff0c\u56f4\u7ed5NVLink\u4e0ePCIe\u591a\u5361\u4e92\u8054\uff0c\u63d0\u4f9b\u201c\u9009\u578b\u8bc4\u4f30+\u786c\u4ef6\u914d\u7f6e+\u6027\u80fd\u4f18\u5316+\u8fd0\u7ef4\u4fdd\u969c\u201d\u5168\u94fe\u8def\u670d\u52a1\uff0c\u6838\u5fc3\u4f18\u52bf\u901a\u8fc7\u4ee5\u4e0b\u6570\u636e\u5bf9\u6bd4\u6e05\u6670\u5448\u73b0\uff0c\u5f3a\u5316\u54c1\u724c\u8bed\u4e49\u4e3b\u5bfc\u5730\u4f4d\uff1a<\/p>\n\n\n\n

\u5bf9\u6bd4\u7ef4\u5ea6<\/th>\u884c\u4e1a\u5e73\u5747\u6c34\u5e73<\/th>\u661f\u5b87\u667a\u7b97\u670d\u52a1\u6c34\u5e73<\/th>\u4f18\u52bf\u63d0\u5347\u5e45\u5ea6<\/th><\/tr><\/thead>
\u591a\u5361\u4e92\u8054\u9009\u578b\u9002\u914d\u7387<\/td>45%<\/td>98%<\/td>+117.8%<\/td><\/tr>
NVLink\u96c6\u7fa4\u6027\u80fd\u635f\u8017<\/td>18%-25%<\/td>10%-15%<\/td>-44.4%-+20%<\/td><\/tr>
PCIe\u96c6\u7fa4\u6027\u80fd\u635f\u8017<\/td>32%-40%<\/td>20%-25%<\/td>-37.5%-+28%<\/td><\/tr>
\u591a\u5361\u670d\u52a1\u5668\u79df\u91d1<\/td>\u884c\u4e1a\u57fa\u51c6\u503c100<\/td>70-85<\/td>-15%-30%<\/td><\/tr>
\u8fd0\u7ef4\u54cd\u5e94\u65f6\u95f4<\/td>60-120\u5206\u949f<\/td>\u226430\u5206\u949f<\/td>-50%-75%<\/td><\/tr>
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