{"id":17300,"date":"2025-04-18T23:42:53","date_gmt":"2025-04-18T15:42:53","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/17300.html"},"modified":"2025-04-18T23:42:53","modified_gmt":"2025-04-18T15:42:53","slug":"%e5%9f%ba%e4%ba%8e%e5%85%a8%e5%9b%bd%e4%ba%a7pcie-switch-4-0-5-0%e7%9a%84ai%e6%9c%8d%e5%8a%a1%e5%99%a8pcie%e6%8b%93%e6%89%91%e5%ba%94%e7%94%a8%e7%a0%94%e7%a9%b6-%ef%bc%88%e4%b8%80%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/17300.html","title":{"rendered":"\u57fa\u4e8e\u5168\u56fd\u4ea7PCIE SWITCH 4.0\/5.0\u7684AI\u670d\u52a1\u5668PCIe\u62d3\u6251\u5e94\u7528\u7814\u7a76 \uff08\u4e00\uff09"},"content":{"rendered":"

1 <\/span>
\n \u5f15\u8a00 <\/span> <\/p>\n

\u4e3a\u6ee1\u8db3\u5927\u6570\u636e<\/span>
\n \u3001<\/span>
\n \u4e91\u8ba1\u7b97\u548c\u4eba\u5de5\u667a\u80fd\u7b49\u9886\u57df\u7684\u6570 <\/span> <\/p>\n

\u636e\u6536\u96c6\u4e0e\u5904\u7406\u9700\u6c42<\/span>
\n ,<\/span>
\n \u91c7\u7528\u5404\u79cd\u5f02\u6784\u5f62\u5f0f\u7684 <\/span>
\n AI<\/span>
\n \u670d\u52a1 <\/span> <\/p>\n

\u5668\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528<\/span>
\n \u3002CPU+GPU <\/span>
\n \u662f <\/span>
\n AI<\/span>
\n \u670d\u52a1\u5668\u4e2d <\/span> <\/p>\n

\u666e\u904d\u4f7f\u7528\u7684\u8ba1\u7b97\u5355\u5143\u7ec4\u5408<\/span>
\n [1]<\/span>
\n \u3002<\/span>
\n \u5176\u4e2d<\/span>
\n ,P2P(Peerto <\/span> <\/p>\n

Peer)<\/span>
\n \u901a\u4fe1\u7528\u4e8e\u591a <\/span>
\n GPU <\/span>
\n \u7cfb\u7edf\u4e2d<\/span>
\n ,<\/span>
\n \u501f\u52a9\u7f13\u5b58\u8bbe\u5907<\/span>
\n ,<\/span>
\n \u53ef <\/span> <\/p>\n

\u4ee5\u6709\u6548\u5229 \u7528 <\/span>
\n PCIe<\/span>
\n \u8d44 \u6e90 \u8fdb \u884c <\/span>
\n GPU <\/span>
\n \u4e4b \u95f4 \u7684 \u6570 \u636e \u4ea4<\/span> <\/p>\n

\u4e92<\/span>
\n [2]<\/span>
\n \u3002 <\/span> <\/p>\n

\u9488\u5bf9 <\/span>
\n GPU <\/span>
\n \u52a0\u901f\u5e94\u7528<\/span>
\n ,<\/span>
\n \u4e1a\u5185\u5df2\u6709\u9762\u5411\u591a\u79cd\u8f6f\u4ef6 <\/span> <\/p>\n

\u5de5\u5177<\/span>
\n \u3001<\/span>
\n \u786c\u4ef6\u914d\u7f6e\u548c\u7b97\u6cd5\u4f18\u5316\u7684\u7814\u7a76<\/span>
\n \u30022016 <\/span>
\n \u5e74<\/span>
\n ,Shi <\/span> <\/p>\n

\u7b49\u4eba<\/span>
\n [3]<\/span>
\n \u901a\u8fc7\u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5<\/span>
\n ,<\/span>
\n \u6bd4\u8f83\u4e86 <\/span>
\n GPU <\/span>
\n \u52a0\u901f\u6df1\u5ea6 <\/span> <\/p>\n

\u5b66\u4e60 \u7684 \u8f6f \u4ef6 \u5de5 \u5177 <\/span>
\n (Caffe\u3001CNTK\u3001TensorFlow <\/span>
\n \u548c <\/span> <\/p>\n

Torch<\/span>
\n \u7b49<\/span>
\n );2018<\/span>
\n \u5e74<\/span>
\n ,Xu<\/span>
\n \u7b49\u4eba<\/span>
\n [4]<\/span>
\n \u901a\u8fc7\u5bf9\u8f6f\u4ef6\u548c\u786c\u4ef6 <\/span> <\/p>\n

\u914d\u7f6e\u7684\u7ec4\u5408\u7814\u7a76<\/span>
\n ,<\/span>
\n \u5f97\u5230\u4e0d\u540c\u5f00\u6e90\u6df1\u5ea6\u5b66\u4e60\u6846\u67b6\u7684\u5e94 <\/span> <\/p>\n

\u7528\u7279\u6027\u548c\u529f\u80fd<\/span>
\n ,<\/span>
\n \u8fdb\u4e00\u6b65\u91cf\u5316\u4e86\u786c\u4ef6\u5c5e\u6027\u5bf9\u6df1\u5ea6\u5b66\u4e60 <\/span> <\/p>\n

\u5de5\u4f5c \u8d1f \u8f7d \u7684 \u5f71 \u54cd<\/span>
\n ;2019 <\/span>
\n \u5e74<\/span>
\n ,Farshchi<\/span>
\n \u7b49 \u4eba<\/span>
\n [5]<\/span>
\n \u4f7f \u7528<\/span> <\/p>\n

FireSim <\/span>
\n \u5c06 \u5f00 \u6e90 \u6df1 \u5ea6 \u795e \u7ecf \u7f51 \u7edc \u52a0 \u901f \u5668 <\/span>
\n NVDLA <\/span> <\/p>\n

(NVIDIA Deep Learning Accelerator)<\/span>
\n \u96c6 \u6210 \u5230 <\/span> <\/p>\n

AmazonCloudFPGA <\/span>
\n \u4e0a\u7684 <\/span>
\n RISC-VSoC <\/span>
\n \u4e2d<\/span>
\n ,<\/span>
\n \u901a\u8fc7 <\/span> <\/p>\n

\u8fd0\u884c <\/span>
\n YOLOv3<\/span>
\n \u76ee\u6807\u68c0\u6d4b\u7b97\u6cd5\u6765\u8bc4\u4f30 <\/span>
\n NVDLA <\/span>
\n \u7684\u6027 <\/span> <\/p>\n

\u80fd<\/span>
\n \u3002<\/span>
\n \u4f46\u662f<\/span>
\n ,<\/span>
\n \u57fa\u4e8e <\/span>
\n CPU+GPU <\/span>
\n \u67b6\u6784<\/span>
\n ,<\/span>
\n \u9488\u5bf9 <\/span>
\n AI<\/span>
\n \u670d\u52a1\u5668 <\/span> <\/p>\n

\u5728\u5404\u5e94\u7528\u573a\u666f\u4e2d\u7684\u5206\u6790\u5374\u9c9c\u6709\u7814\u7a76<\/span>
\n \u3002 <\/span> <\/p>\n

\u672c\u6587\u4e3b\u8981\u5bf9 <\/span>
\n AI<\/span>
\n \u670d\u52a1\u5668\u4e2d<\/span>
\n 3<\/span>
\n \u79cd\u5178\u578b\u7684 <\/span>
\n PCIe<\/span>
\n \u62d3 <\/span> <\/p>\n

\u6251 <\/span>
\n Balance Mode\u3001Common Mode <\/span>
\n \u548c <\/span>
\n Cascade <\/span> <\/p>\n

Mode<\/span>
\n \u7684\u5e94\u7528\u573a\u666f\u8fdb\u884c\u7814\u7a76<\/span>
\n ,<\/span>
\n \u65e8\u5728\u901a\u8fc7\u5bf9<\/span>
\n 3<\/span>
\n \u79cd\u62d3\u6251 <\/span> <\/p>\n

\u7684\u70b9\u5bf9\u70b9\u5e26\u5bbd\u4e0e\u5ef6\u8fdf<\/span>
\n \u3001<\/span>
\n \u53cc\u7cbe\u5ea6\u6d6e\u70b9\u8fd0\u7b97\u6027\u80fd\u548c\u6df1\u5ea6 <\/span> <\/p>\n

\u5b66\u4e60\u63a8\u7406\u6027\u80fd\u5206\u6790<\/span>
\n ,<\/span>
\n \u5f97\u5230<\/span>
\n 3<\/span>
\n \u79cd\u62d3\u6251\u5728\u5404\u5e94\u7528\u573a\u666f\u4e2d <\/span> <\/p>\n

\u7684\u4f18\u52bf\u548c\u52a3\u52bf<\/span>
\n ,<\/span>
\n \u4e3a <\/span>
\n AI<\/span>
\n \u670d\u52a1\u5668\u7684\u5b9e\u9645\u5e94\u7528\u63d0\u4f9b\u4f18\u9009 <\/span> <\/p>\n

\u914d\u7f6e\u6307\u5bfc<\/span>
\n \u3002 <\/span> <\/p>\n

2 <\/span>
\n \u5178\u578b\u62d3\u6251\u7ed3\u6784 <\/span> <\/p>\n

2.1 3<\/span>
\n \u79cd\u57fa\u7840\u62d3\u6251\u7ed3\u6784 <\/span> <\/p>\n

(1)BalanceMode\u3002 <\/span> <\/p>\n

BalanceMode<\/span>
\n \u62d3\u6251\u4e3a <\/span>
\n Dualroot,<\/span>
\n \u6839\u636e<\/span>
\n PCIe<\/span>
\n \u8d44 <\/span> <\/p>\n

\u6e90\u5c06 <\/span>
\n GPU <\/span>
\n \u5e73 \u5747 \u5206 \u914d \u5230 \u5404 \u4e2a <\/span>
\n CPU,<\/span>
\n \u540c \u4e00 \u4e2a <\/span>
\n PCIe <\/span> <\/p>\n

Switch<\/span>
\n \u4e0b\u7684 <\/span>
\n GPU <\/span>
\n \u53ef\u4ee5\u5b9e\u73b0 <\/span>
\n P2P <\/span>
\n \u901a\u4fe1<\/span>
\n ,<\/span>
\n \u4e0d\u540c <\/span>
\n CPU <\/span> <\/p>\n

\u4e0b\u6302\u63a5\u7684 <\/span>
\n GPU <\/span>
\n \u9700\u8981\u8de8\u8d85\u7ea7\u901a\u9053\u4e92\u8054 <\/span>
\n UPI(Ultra <\/span> <\/p>\n

PathInterconnect)<\/span>
\n \u624d\u80fd\u901a\u4fe1<\/span>
\n \u3002<\/span>
\n \u4ee5 <\/span>
\n 8 <\/span>
\n \u4e2a <\/span>
\n GPU <\/span>
\n \u5361\u4e3a <\/span> <\/p>\n

\u4f8b<\/span>
\n ,BalanceMode<\/span>
\n \u62d3\u6251\u7ed3\u6784\u5982\u56fe<\/span>
\n 1<\/span>
\n \u6240\u793a<\/span> <\/p>\n

\"\" <\/p>\n

(2)CommonMode\u3002 <\/span> <\/p>\n

CommonMode<\/span>
\n \u62d3\u6251\u4e2d <\/span>
\n GPU <\/span>
\n \u7684 <\/span>
\n PCIe<\/span>
\n \u8d44\u6e90\u5747 <\/span> <\/p>\n

\u6765\u81ea\u540c\u4e00\u4e2a <\/span>
\n CPU,<\/span>
\n \u540c\u4e00\u4e2a <\/span>
\n PCIeSwitch<\/span>
\n \u4e0b\u7684 <\/span>
\n GPU <\/span> <\/p>\n

\u53ef\u4ee5\u5b9e\u73b0 <\/span>
\n P2P <\/span>
\n \u901a\u4fe1<\/span>
\n ,<\/span>
\n \u4e0d\u540c <\/span>
\n PCIeSwitch <\/span>
\n \u4e0b\u6302\u63a5\u7684 <\/span> <\/p>\n

GPU <\/span>
\n \u9700\u8981\u8de8 <\/span>
\n CPU PCIeRootPort<\/span>
\n \u624d\u80fd\u5b9e\u73b0 <\/span>
\n P2P <\/span> <\/p>\n

\u901a\u4fe1<\/span>
\n ,<\/span>
\n \u4f46\u901a\u4fe1\u5e26\u5bbd \u4f4e \u4e8e \u540c \u4e00 \u4e2a <\/span>
\n PCIeSwitch <\/span>
\n \u4e0b \u7684 <\/span> <\/p>\n

P2P<\/span>
\n \u901a\u4fe1<\/span>
\n \u3002<\/span>
\n \u4ee5 <\/span>
\n 8 <\/span>
\n \u4e2a <\/span>
\n GPU <\/span>
\n \u5361\u4e3a\u4f8b<\/span>
\n ,Common Mode <\/span> <\/p>\n

\u62d3\u6251\u7ed3\u6784\u5982\u56fe<\/span>
\n 2<\/span>
\n \u6240\u793a<\/span>
\n \u3002 <\/span> <\/p>\n

(3)CascadeMode\u3002 <\/span> <\/p>\n

CascadeMode<\/span>
\n \u62d3\u6251\u4e2d <\/span>
\n GPU <\/span>
\n \u7684<\/span>
\n PCIe<\/span>
\n \u8d44\u6e90\u5747\u6765 <\/span> <\/p>\n

\u81ea\u540c\u4e00\u4e2a <\/span>
\n CPUPCIeRootPort,PCIeSwitch<\/span>
\n \u4e4b\u95f4 <\/span> <\/p>\n

\u4e3a\u7ea7\u8054\u62d3\u6251<\/span>
\n ,<\/span>
\n \u540c\u4e00\u7ea7 <\/span>
\n PCIeSwitch<\/span>
\n \u4e0b\u7684 <\/span>
\n GPU <\/span>
\n \u53ef\u4ee5<\/span> <\/p>\n

\"\" <\/p>\n

\u5b9e\u73b0 <\/span>
\n P2P<\/span>
\n \u901a\u4fe1<\/span>
\n ,<\/span>
\n \u7b2c<\/span>
\n 1<\/span>
\n \u7ea7 <\/span>
\n PCIeSwitch<\/span>
\n \u4e0b\u7684 <\/span>
\n GPU <\/span>
\n \u548c <\/span> <\/p>\n

\u7b2c<\/span>
\n 2<\/span>
\n \u7ea7 <\/span>
\n PCIeSwitch<\/span>
\n \u4e0b\u7684 <\/span>
\n GPU <\/span>
\n \u4e4b\u95f4\u53ef\u4ee5\u5b9e\u73b0 <\/span>
\n P2P <\/span> <\/p>\n

\u901a\u4fe1<\/span>
\n ,<\/span>
\n \u4e0d\u9700\u8981\u901a\u8fc7 <\/span>
\n CPU PCIeRootPort\u3002<\/span>
\n \u4ee5<\/span>
\n 8<\/span>
\n \u4e2a <\/span> <\/p>\n

GPU <\/span>
\n \u5361\u4e3a \u4f8b<\/span>
\n ,Cascade Mode<\/span>
\n \u62d3 \u6251 \u7ed3 \u6784 \u5982 \u56fe <\/span>
\n 3 <\/span>
\n \u6240 <\/span> <\/p>\n

\u793a<\/span> <\/p>\n

\"\" <\/p>\n

\u5168\u56fd\u4ea7PCIE4.0\/5.0 SWITCH NVMe \u6df7\u5408\u76f4\u8fde\u80cc\u677f<\/h2>\n

*\u786c\u76d8\u70ed\u63d2\u62d4\u529f\u80fd； *\u706f\u6001\u652f\u6301\u786c\u76d8\u4e0a\u7535，\u8bfb\u5199，\u62a5\u9519； *SPGIO\u786c\u76d8\u62a5\u9519\u529f\u80fd； *\u786c\u76d8\u5206\u65f6\u542f\u52a8； *\u98ce\u6247\u6e29\u5ea6\u63a7\u5236； * I2C（BMC）；<\/p>\n

\"\"<\/p>\n

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