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{"id":14564,"date":"2024-08-13T12:27:31","date_gmt":"2024-08-13T04:27:31","guid":{"rendered":"https:\/\/www.simcentric.com\/uncategorized-sc\/how-can-rdma-and-switches-transform-ai-network-performance\/"},"modified":"2024-08-13T12:32:53","modified_gmt":"2024-08-13T04:32:53","slug":"how-can-rdma-and-switches-transform-ai-network-performance","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/sc\/hong-kong-dedicated-server-sc\/how-can-rdma-and-switches-transform-ai-network-performance\/","title":{"rendered":"RDMA\u548c\u4ea4\u6362\u673a\u5982\u4f55\u6539\u53d8AI\u7f51\u7edc\u6027\u80fd\uff1f"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<p>\u5728\u4eba\u5de5\u667a\u80fd\uff08AI\uff09\u548c\u9ad8\u6027\u80fd\u8ba1\u7b97\uff08HPC\uff09\u5feb\u901f\u53d1\u5c55\u7684\u80cc\u666f\u4e0b\uff0c\u5bf9\u9ad8\u541e\u5410\u91cf\u3001\u4f4e\u5ef6\u8fdf\u7f51\u7edc\u7684\u9700\u6c42\u6bd4\u4ee5\u5f80\u4efb\u4f55\u65f6\u5019\u90fd\u66f4\u52a0\u8feb\u5207\u3002\u672c\u6587\u6df1\u5165\u63a2\u8ba8\u4e86\u5bf9AI\u57fa\u7840\u8bbe\u65bd\u81f3\u5173\u91cd\u8981\u7684\u7f51\u7edc\u534f\u8bae\u3001\u4ea4\u6362\u673a\u6280\u672f\u548c<strong><a href=\"https:\/\/www.simcentric.com\/sc\/data-center\/hk\/\" target=\"_blank\" rel=\"noopener\">\u6570\u636e\u4e2d\u5fc3<\/a><\/strong>\u67b6\u6784\u7684\u590d\u6742\u6027\uff0c\u63a2\u7d22\u4ece\u4f20\u7edf<strong><a href=\"https:\/\/www.simcentric.com\/sc\/hong-kong-dedicated-server\/what-is-the-tcp-ip-protocol\/\" target=\"_blank\" rel=\"noopener\">TCP\/IP<\/a><\/strong>\u5230\u66f4\u5148\u8fdb\u7684\u89e3\u51b3\u65b9\u6848\uff08\u5982RDMA\uff09\u7684\u8f6c\u53d8\u3002<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row 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el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>RDMA\uff1aAI\u7f51\u7edc\u7684\u6e38\u620f\u89c4\u5219\u6539\u53d8\u8005<\/strong><\/h2>\n<p>RDMA\uff08\u8fdc\u7a0b\u76f4\u63a5\u5185\u5b58\u8bbf\u95ee\uff09\u6280\u672f\u5141\u8bb8\u901a\u8fc7\u7f51\u7edc\u63a5\u53e3\u76f4\u63a5\u8bbf\u95ee\u5185\u5b58\u6570\u636e\uff0c\u800c\u65e0\u9700\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u53c2\u4e0e\u3002\u8fd9\u79cd\u65b9\u6cd5\u5b9e\u73b0\u4e86\uff1a<\/p>\n<ul>\n<li>\u9ad8\u541e\u5410\u91cf\u901a\u4fe1<\/li>\n<li>\u8d85\u4f4e\u5ef6\u8fdf<\/li>\n<li>\u964d\u4f4eCPU\u5f00\u9500<\/li>\n<\/ul>\n<p>RDMA\u5305\u62ec\u591a\u79cd\u5b9e\u73b0\u65b9\u5f0f\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>InfiniBand\uff1a\u4e13\u4e3aRDMA\u8bbe\u8ba1\uff0c\u5177\u6709\u786c\u4ef6\u7ea7\u53ef\u9760\u4f20\u8f93\uff0c\u4f46\u6210\u672c\u8f83\u9ad8\u3002<\/li>\n<li>RoCE\uff08\u57fa\u4e8e\u878d\u5408\u4ee5\u592a\u7f51\u7684RDMA\uff09\uff1a\u57fa\u4e8e\u4ee5\u592a\u7f51\u7684RDMA\uff0c\u5e73\u8861\u4e86\u6027\u80fd\u548c\u6210\u672c\u6548\u76ca\u3002<\/li>\n<li>iWARP\uff1a\u53e6\u4e00\u79cd\u57fa\u4e8e\u4ee5\u592a\u7f51\u7684RDMA\u89e3\u51b3\u65b9\u6848\uff0c\u4e0e\u73b0\u6709\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd\u517c\u5bb9\u3002<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>\u4ea4\u6362\u673a\u5728\u6570\u636e\u4e2d\u5fc3\u67b6\u6784\u4e2d\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f<\/strong><\/h2>\n<p>\u4ea4\u6362\u673a\u5728AI\u6570\u636e\u4e2d\u5fc3\u67b6\u6784\u4e2d\u626e\u6f14\u7740\u5173\u952e\u89d2\u8272\uff0c\u4e3b\u8981\u5728OSI\u6a21\u578b\u7684\u6570\u636e\u94fe\u8def\u5c42\uff08\u7b2c2\u5c42\uff09\u8fd0\u4f5c\u3002\u5b83\u4eec\u57fa\u4e8eMAC\u5730\u5740\u4fc3\u8fdb\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u5b9e\u73b0\u540c\u4e00\u7f51\u6bb5\u5185\u6570\u636e\u5305\u7684\u9ad8\u6548\u8f6c\u53d1\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u8def\u7531\u5668\u5de5\u4f5c\u5728\u7f51\u7edc\u5c42\uff08\u7b2c3\u5c42\uff09\uff0c\u4f7f\u7528\u57fa\u4e8eIP\u7684\u8def\u7531\u8fde\u63a5\u4e0d\u540c\u7684\u5b50\u7f51\u3002<\/p>\n<p>\u4ea4\u6362\u673a\u5728\u6570\u636e\u4e2d\u5fc3\u67b6\u6784\u4e2d\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6570\u636e\u5305\u4ea4\u6362\uff1a\u5728\u8fde\u63a5\u7684\u8bbe\u5907\u4e4b\u95f4\u5feb\u901f\u8f6c\u53d1\u6570\u636e\u5305\u3002<\/li>\n<li>\u6d41\u91cf\u5206\u6bb5\uff1a\u4e3a\u6bcf\u4e2a\u7aef\u53e3\u521b\u5efa\u72ec\u7acb\u7684\u51b2\u7a81\u57df\uff0c\u63d0\u9ad8\u7f51\u7edc\u6548\u7387\u3002<\/li>\n<li>VLAN\u652f\u6301\uff1a\u5b9e\u73b0\u865a\u62dfLAN\u7684\u521b\u5efa\uff0c\u8fdb\u884c\u903b\u8f91\u7f51\u7edc\u5206\u6bb5\u3002<\/li>\n<li>\u670d\u52a1\u8d28\u91cf\uff08QoS\uff09\uff1a\u4f18\u5148\u5904\u7406\u67d0\u4e9b\u7c7b\u578b\u7684\u6d41\u91cf\uff0c\u786e\u4fdd\u5173\u952e\u5e94\u7528\u7684\u6700\u4f73\u6027\u80fd\u3002<\/li>\n<li>\u94fe\u8def\u805a\u5408\uff1a\u5c06\u591a\u4e2a\u7269\u7406\u94fe\u8def\u7ec4\u5408\u6210\u4e00\u4e2a\u903b\u8f91\u94fe\u8def\uff0c\u589e\u52a0\u5e26\u5bbd\u548c\u5197\u4f59\u3002<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>\u6570\u636e\u4e2d\u5fc3\u7f51\u7edc\u62d3\u6251\u7684\u6f14\u8fdb<\/strong><\/h2>\n<p>\u4f20\u7edf\u7684\u4e09\u5c42\u6570\u636e\u4e2d\u5fc3\u67b6\u6784\uff08\u63a5\u5165\u5c42\u3001\u6c47\u805a\u5c42\u548c\u6838\u5fc3\u5c42\uff09\u6b63\u5728\u8ba9\u4f4d\u7ed9\u66f4\u9ad8\u6548\u7684\u8bbe\u8ba1\uff0c\u8fd9\u4e9b\u8bbe\u8ba1\u9488\u5bf9AI\u5de5\u4f5c\u8d1f\u8f7d\u8fdb\u884c\u4e86\u4f18\u5316\u3002\u4f20\u7edf\u65b9\u6cd5\u7684\u5c40\u9650\u6027\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7531\u4e8eSTP\uff08\u751f\u6210\u6811\u534f\u8bae\uff09\u5bfc\u81f4\u7684\u5e26\u5bbd\u6548\u7387\u4f4e\u4e0b<\/li>\n<li>\u5927\u8303\u56f4\u6545\u969c\u57df<\/li>\n<li>\u4e1c\u897f\u5411\u6d41\u91cf\u5ef6\u8fdf\u589e\u52a0<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>\u53f6\u810a\u67b6\u6784\uff1a\u4f18\u5316AI\u7f51\u7edc<\/strong><\/h2>\n<p>\u53f6\u810a\u62d3\u6251\u5df2\u6210\u4e3aAI\u6570\u636e\u4e2d\u5fc3\u7684\u9996\u9009\u67b6\u6784\uff0c\u63d0\u4f9b\uff1a<\/p>\n<ul>\n<li>\u6241\u5e73\u5316\u7f51\u7edc\u8bbe\u8ba1<\/li>\n<li>\u964d\u4f4e\u5ef6\u8fdf<\/li>\n<li>\u63d0\u9ad8\u5e26\u5bbd\u5229\u7528\u7387<\/li>\n<li>\u6539\u5584\u5bb9\u9519\u80fd\u529b<\/li>\n<\/ul>\n<p>\u5728\u8fd9\u79cd\u67b6\u6784\u4e2d\uff0c\u53f6\u4ea4\u6362\u673a\u5145\u5f53\u63a5\u5165\u5c42\u8bbe\u5907\uff0c\u800c\u810a\u4ea4\u6362\u673a\u7684\u529f\u80fd\u7c7b\u4f3c\u4e8e\u6838\u5fc3\u4ea4\u6362\u673a\u3002\u53f6\u4ea4\u6362\u673a\u548c\u810a\u4ea4\u6362\u673a\u4e4b\u95f4\u4f7f\u7528ECMP\uff08\u7b49\u4ef7\u591a\u8def\u5f84\uff09\u8def\u7531\uff0c\u5b9e\u73b0\u52a8\u6001\u8def\u5f84\u9009\u62e9\u548c\u63a5\u8fd1\u65e0\u635f\u7684\u6027\u80fd\u3002<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row 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el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>\u4ee3\u7801\u793a\u4f8b\uff1a\u5728Linux\u4e2d\u542f\u7528RDMA<\/strong><\/h2>\n<p>\u4ee5\u4e0b\u662f\u5728Linux\u7cfb\u7edf\u4e2d\u542f\u7528\u548c\u914d\u7f6eRDMA\u7684\u57fa\u672c\u793a\u4f8b\uff1a<\/p>\n<pre><code>\r\n# Install RDMA packages\r\nsudo apt-get install rdma-core\r\n\r\n# Load RDMA modules\r\nsudo modprobe rdma_ucm\r\nsudo modprobe ib_uverbs\r\n\r\n# Configure IP over InfiniBand (IPoIB) interface\r\nsudo ip link set ib0 up\r\nsudo ip addr add 192.168.1.100\/24 dev ib0\r\n\r\n# Verify RDMA configuration\r\nibstat\r\n    <\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row 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