{"id":256,"date":"2026-05-16T16:39:12","date_gmt":"2026-05-16T08:39:12","guid":{"rendered":"http:\/6.canyin.cc\/archives\/256"},"modified":"2026-05-16T16:39:12","modified_gmt":"2026-05-16T08:39:12","slug":"nvidia-dpu%e5%ad%98%e5%82%a8%e6%80%a7%e8%83%bd%e4%b8%ba%e5%ad%98%e5%82%a8%e5%ae%89%e5%85%a8%e6%8f%90%e4%be%9b%e6%80%a7%e8%83%bd%e4%bf%9d%e9%9a%9c","status":"publish","type":"post","link":"https:\/\/www.zhimen.com\/cj\/archives\/256","title":{"rendered":"NVIDIA DPU\u5b58\u50a8\u6027\u80fd\u4e3a\u5b58\u50a8\u5b89\u5168\u63d0\u4f9b\u6027\u80fd\u4fdd\u969c"},"content":{"rendered":"<p>DPU(\u6570\u636e\u5904\u7406\u5668)\u5df2\u5c06\u670d\u52a1\u5668\u548c\u5b58\u50a8\u4e4b\u95f4\u7684IOPS\u6027\u80fd\u63d0\u5347\u81f34100\u4e07\u53f0\u4ee5\u4e0a\uff0c\u662f\u6b64\u524d\u4e16\u754c\u7eaa\u5f55\u7684\u56db\u500d\u591a\u3002 <\/p>\n<p>\u6570\u636e\u4e2d\u5fc3\u9700\u8981\u8d85\u9ad8\u901f\u5b58\u50a8\u8bbf\u95ee\uff0c\u6ca1\u6709\u54ea\u4e2aDPU\u6bd4NVIDIA BlueField-2\u66f4\u5feb\u3002 <\/p>\n<p>\u82f1\u4f1f\u8fbe\u6700\u8fd1\u7684\u6d4b\u8bd5\u663e\u793a\uff0c\u4e24\u6b3eBlueField-2 DPU(\u6570\u636e\u5904\u7406\u5668)\u7684\u8f93\u5165\/\u8f93\u51fa(IOPS)\u6027\u80fd\u8fbe\u52304150\u4e07\u500d\uff0c\u6bd4\u5176\u4ed6\u4efb\u4f55DPU\u90fd\u9ad8\u51fa4\u500d\u3002 <\/p>\n<p>BlueField-2 DPU\u4f7f\u7528\u6807\u51c6\u7f51\u7edc\u534f\u8bae\u548c\u5f00\u6e90\u8f6f\u4ef6\u6253\u7834\u6027\u80fd\u8bb0\u5f55\u3002\u5b83\u4f7f\u7528\u5de5\u4e1a\u4e0a\u5e38\u7528\u7684\u5b58\u50a8\u4ecb\u8d28\u8bbf\u95ee\u65b9\u6cd5\u201c\u5149\u7ea4NVMe\u201d(NVMe oF)\u548c\u6700\u5e38\u89c1\u7684\u4e92\u8054\u7f51\u534f\u8bae\u4e4b\u4e00\u201cTCP\u7f51\u7edc\u201d\u3002\u51764KB IOPS\u6027\u80fd\u8d85\u8fc7500\u4e07\uff0c\u800c512B IOPS\u8fbe\u5230700\u4e07\u52302000\u4e07\u3002 <\/p>\n<p>\u4e3a\u4e86\u52a0\u901fAI\u3001\u5927\u6570\u636e\u548c\u9ad8\u6027\u80fd\u8ba1\u7b97\u5e94\u7528\uff0cBlueField\u8fd8\u652f\u6301\u6d41\u884c\u7684RoCE\u7f51\u7edc\u4f20\u8f93\u9009\u9879\uff0c\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u5b58\u50a8\u6027\u80fd\u3002 <\/p>\n<p>\u5728\u6d4b\u8bd5\u4e2d\uff0c\u542f\u52a8\u5668\u548c\u76ee\u6807\u90fd\u90e8\u7f72\u4e86BlueField\uff0c\u4f7f\u7528\u4e0d\u540c\u7c7b\u578b\u7684\u5b58\u50a8\u8f6f\u4ef6\u5e93\u548c\u4e0d\u540c\u7684\u5e94\u7528\u7a0b\u5e8f\u6765\u6a21\u62df\u771f\u5b9e\u4e16\u754c\u7684\u5b58\u50a8\u914d\u7f6e\uff0c\u6240\u6709\u8fd9\u4e9b\u90fd\u8868\u73b0\u51fa\u4e86\u5353\u8d8a\u7684\u6027\u80fd\u3002BlueField\u8fd8\u652f\u6301InfiniBand\u7f51\u7edc\u4e0a\u7684\u5feb\u901f\u5b58\u50a8\u8fde\u63a5\uff0cInfiniBand\u662f\u8bb8\u591aHPC\u548cAI\u5e94\u7528\u7684\u9996\u9009\u7f51\u7edc\u67b6\u6784\u3002 <\/p>\n<p>\u68c0\u6d4b\u65b9\u6cd5 <\/p>\n<p>BlueField\u8fbe\u5230\u4e864150\u4e07IOPS\uff0c\u662f\u6b64\u524d\u4e13\u6709\u5b58\u50a8\u4ea7\u54c1\u521b\u9020\u76841000\u4e07IOPS\u4e16\u754c\u7eaa\u5f55\u76844\u500d\u591a\u3002\u8fd9\u4e00\u6027\u80fd\u662f\u901a\u8fc7\u8fde\u63a5\u4e24\u53f0fast hewlett packard enterprise proliant dl 380 gen 10 plus\u670d\u52a1\u5668\u5b9e\u73b0\u7684\uff0c\u5176\u4e2d\u4e00\u53f0\u662f\u5e94\u7528\u670d\u52a1\u5668(\u5b58\u50a8\u542f\u52a8\u5668)\uff0c\u53e6\u4e00\u53f0\u662f\u5b58\u50a8\u7cfb\u7edf(\u5b58\u50a8\u76ee\u6807)\u3002 <\/p>\n<p>\u6bcf\u53f0\u670d\u52a1\u5668\u90fd\u914d\u5907\u4e86\u4e24\u4e2a\u82f1\u7279\u5c14\u201c\u51b0\u6e56\u201d\u81f3\u5f3a\u767d\u91d12.3GHz 8380\u5904\u7406\u5668\uff0c\u652f\u6301160\u4e2a\u8d85\u7ebf\u7a0b\u5185\u6838\u3001512GB DRAM\u3001120MB L3\u7f13\u5b58(\u6bcf\u4e2a\u5904\u7406\u566860MB)\u548cPCIe\u7b2c\u56db\u4ee3\u603b\u7ebf\u3002 <\/p>\n<p>\u4e3a\u4e86\u52a0\u5feb\u7f51\u7edc\u548cNVMe-oF\uff0c\u6bcf\u53f0\u670d\u52a1\u5668\u90fd\u914d\u5907\u4e86\u4e24\u4e2aNVIDIA BlueField-2 P\u7cfb\u5217DPU\u5361\uff0c\u6bcf\u4e2a\u5361\u6709\u4e24\u4e2a100Gb\u4ee5\u592a\u7f51\u7aef\u53e3\uff0c\u542f\u52a8\u5668\u548c\u76ee\u6807\u4e4b\u95f4\u6709\u56db\u4e2a\u7f51\u7edc\u7aef\u53e3\uff0c\u603b\u7ebf\u901f\u5e26\u5bbd\u4e3a400Gb\/s\uff0c\u901a\u8fc7NVIDIA Linkx100 GbE\u76f4\u8fde\u94dc(DAC)\u65e0\u6e90\u7535\u7f06\u80cc\u9760\u80cc\u8fde\u63a5\u3002\u7ea2\u5e3d\u4f01\u4e1a\u7248Linux(RHEL)8.3\u7248\u5b89\u88c5\u5728\u4e24\u53f0\u670d\u52a1\u5668\u4e0a\u3002 <\/p>\n<p>\u5728\u7f51\u7edc\u4f20\u8f93\u5c42\uff0c\u4f7f\u7528\u4e86\u4e24\u4e2a\u534f\u8bae\uff0cTCP\u548cRoCE\u6765\u6d4b\u8bd5NVMe-oF\u5b58\u50a8\u3002\u5728\u5168\u53cc\u5411\u7f51\u7edc\u6761\u4ef6\u4e0b\uff0c\u6bcf\u79cd\u914d\u7f6e\u5747\u91c7\u7528100%\u8bfb\u3001100%\u5199\u548c50\/50\u8bfb\/\u5199\u8d1f\u8f7d\u6a21\u578b\u8fdb\u884c\u6d4b\u8bd5\u3002 <\/p>\n<p>\u6d4b\u8bd5\u8868\u660e\uff0cBlueField DPU\u8fd8\u5177\u6709\u4ee5\u4e0b\u6027\u80fd\u7279\u5f81\uff1a <\/p>\n<p>\u7528\u66f4\u5c0f\u5927\u5c0f\u7684512B I\/O\u6d4b\u8bd5\u663e\u793aIOPS\u66f4\u9ad8\uff0c\u4f46\u541e\u5410\u91cf\u4f4e\u4e8e\u7aef\u53e3\u7ebf\u901f\uff0c\u800c\u75284KB I\/O\u6d4b\u8bd5\u663e\u793a\u541e\u5410\u91cf\u66f4\u9ad8\uff0cIOPS\u66f4\u4f4e\u3002 <\/p>\n<p>100%\u8bfb\u53d6\u548c100%\u5199\u5165\u8d1f\u8f7d\u7684IOPS\u6027\u80fd\u548c\u541e\u5410\u91cf\u6027\u80fd\u76f8\u4f3c\uff0c\u800c50\/50\u8bfb\u53d6\/\u5199\u5165\u6df7\u5408\u8d1f\u8f7d\u7531\u4e8e\u5145\u5206\u5229\u7528\u4e86\u7f51\u7edc\u8fde\u63a5\u7684\u4e24\u4e2a\u65b9\u5411\u800c\u4ea7\u751f\u4e86\u66f4\u9ad8\u7684\u6027\u80fd\u3002 <\/p>\n<p>\u4f7f\u7528SPDK\u6d4b\u8bd5\uff0c\u6027\u80fd\u9ad8\u4e8e\u5185\u6838\u8f6f\u4ef6\uff0c\u4f46\u540c\u65f6\u5e26\u6765\u4e86\u66f4\u9ad8\u7684\u670d\u52a1\u5668CPU\u5229\u7528\u7387\u3002\u8fd9\u662f\u56e0\u4e3aSPDK\u5728\u7528\u6237\u7a7a\u95f4\u4e2d\u8fd0\u884c\uff0c\u5e76\u4e0d\u65ad\u8fdb\u884c\u6c11\u610f\u8c03\u67e5\uff0c\u6240\u4ee5\u8fd9\u79cd\u60c5\u51b5\u662f\u610f\u6599\u4e4b\u4e2d\u7684\u3002 <\/p>\n<p>\u8f83\u65b0\u7684Linux 5.15\u5185\u6838\u6bd44.18\u5185\u6838\u6027\u80fd\u66f4\u597d\uff0c\u56e0\u4e3aLinux\u793e\u533a\u5b9a\u671f\u589e\u52a0\u5b58\u50a8\u6539\u8fdb\u3002 <\/p>\n<p>\u8bb0\u5f55DPU\u5b58\u50a8\u6027\u80fd <\/p>\n<p>\u4e3a\u5b58\u50a8\u5b89\u5168\u63d0\u4f9b\u6027\u80fd\u4fdd\u8bc1\u3002 <\/p>\n<p>\u5728\u5f53\u4eca\u7684\u5b58\u50a8\u9886\u57df\uff0c\u5927\u591a\u6570\u4e91\u548c\u4f01\u4e1a\u90e8\u7f72\u90fd\u9700\u8981\u80fd\u591f\u901a\u8fc7\u4ee5\u592a\u7f51\u6216InfiniBand\u8bbf\u95ee\u7684\u5feb\u901f\u5206\u5e03\u5f0f\u7f51\u7edc\u95ea\u5b58\u3002\u66f4\u5feb\u7684\u670d\u52a1\u5668\u3001GPU\u3001\u7f51\u7edc\u548c\u5b58\u50a8\u4ecb\u8d28\u90fd\u9700\u8981\u670d\u52a1\u5668\u7684CPU\u8ddf\u4e0a\uff0c\u6700\u597d\u7684\u529e\u6cd5\u5c31\u662f\u90e8\u7f72\u5177\u6709\u5b58\u50a8\u529f\u80fd\u7684DPU\u3002 <\/p>\n<p>BlueField-2 DPU\u60ca\u4eba\u7684\u5b58\u50a8\u6027\u80fd\uff0c\u8ba9\u6574\u4e2a\u6570\u636e\u4e2d\u5fc3\u7684\u5e94\u7528\u670d\u52a1\u5668\u548c\u5b58\u50a8\u8bbe\u5907\u62e5\u6709\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u6548\u7387\u3002 <\/p>\n<p>\u5728\u5feb\u901f\u5b58\u50a8\u8bbf\u95ee\u7684\u57fa\u7840\u4e0a\uff0cBlueField\u8fd8\u652f\u6301\u4ee5\u592a\u7f51\u5b58\u50a8\u6d41\u91cf\u548c\u5b58\u50a8\u4ecb\u8d28\u672c\u8eab\u7684\u786c\u4ef6\u52a0\u901f\u52a0\u5bc6\u89e3\u5bc6\uff0c\u6709\u52a9\u4e8e\u9632\u6b62\u6570\u636e\u88ab\u76d7\u6216\u6cc4\u9732\u3002 <\/p>\n<p>\u5b83\u53ef\u4ee5\u4ee5\u9ad8\u8fbe100Gb\/s\u7684\u901f\u5ea6\u5378\u8f7dIPsec(\u5728\u7ebf\u6570\u636e)\uff0c\u4ee5\u9ad8\u8fbe200Gb\/s\u7684\u901f\u5ea6\u5378\u8f7d256\u4f4dAES-XTS(\u9759\u6001\u6570\u636e)\uff0c\u5f53\u5bf9\u624b\u5165\u4fb5\u5b58\u50a8\u7f51\u7edc\u6216\u7269\u7406\u5b58\u50a8\u9a71\u52a8\u5668\u88ab\u76d7\u3001\u51fa\u552e\u6216\u5904\u7f6e\u4e0d\u5f53\u65f6\uff0c\u53ef\u4ee5\u964d\u4f4e\u6570\u636e\u88ab\u76d7\u7684\u98ce\u9669\u3002 <\/p>\n<p>\u5e76\u4e14\u5ba2\u6237\u548c\u9886\u5148\u7684\u5b89\u5168\u8f6f\u4ef6\u5382\u5546\u6b63\u5728\u4f7f\u7528\u6700\u8fd1\u66f4\u65b0\u7684BlueField\u7684NVIDIA DOCA\u6846\u67b6\u5728DPU\u8fd0\u884c\u5206\u5e03\u5f0f\u9632\u706b\u5899\u6216\u63d0\u4f9b\u5fae\u5206\u6bb5\u5b89\u5168\u7ec4\u7b49\u7f51\u7edc\u5b89\u5168\u5e94\u7528\uff0c\u4ee5\u8fdb\u4e00\u6b65\u63d0\u9ad8\u8ba1\u7b97\u670d\u52a1\u5668\u7684\u5e94\u7528\u548c\u7f51\u7edc\u5b89\u5168\u6027\uff0c\u964d\u4f4e\u670d\u52a1\u5668\u5b58\u50a8\u4e0d\u5f53\u8bbf\u95ee\u6216\u6570\u636e\u4fee\u6539\u7684\u98ce\u9669\u3002 <\/p>\n<p>\u539f\u6807\u9898\uff1a\u82f1\u4f1f\u8fbeBlueField\u521b\u4e0bDPU\u6f14\u51fa\u65b0\u4e16\u754c\u7eaa\u5f55\u3002 <\/p>\n","protected":false},"excerpt":{"rendered":"<p>DPU(\u6570\u636e\u5904\u7406\u5668)\u5df2\u5c06\u670d\u52a1\u5668\u548c\u5b58\u50a8\u4e4b\u95f4\u7684IOPS\u6027\u80fd\u63d0\u5347\u81f34100\u4e07\u53f0\u4ee5\u4e0a\uff0c\u662f\u6b64\u524d\u4e16\u754c\u7eaa\u5f55\u7684\u56db\u500d\u591a\u3002 \u6570\u636e\u4e2d [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-256","post","type-post","status-publish","format-gallery","hentry","category-gundong","post_format-post-format-gallery"],"_links":{"self":[{"href":"https:\/\/www.zhimen.com\/cj\/wp-json\/wp\/v2\/posts\/256","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhimen.com\/cj\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhimen.com\/cj\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhimen.com\/cj\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhimen.com\/cj\/wp-json\/wp\/v2\/comments?post=256"}],"version-history":[{"count":0,"href":"https:\/\/www.zhimen.com\/cj\/wp-json\/wp\/v2\/posts\/256\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhimen.com\/cj\/wp-json\/wp\/v2\/media?parent=256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhimen.com\/cj\/wp-json\/wp\/v2\/categories?post=256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhimen.com\/cj\/wp-json\/wp\/v2\/tags?post=256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}