{"id":24155,"date":"2023-07-09T04:28:56","date_gmt":"2023-07-08T20:28:56","guid":{"rendered":"http:\/\/stmu.1000uc.com\/mu\/?p=24155"},"modified":"2023-07-09T04:28:56","modified_gmt":"2023-07-08T20:28:56","slug":"%e4%bb%80%e4%b9%88%e8%99%9a%e6%8b%9f%e6%9c%ba%e9%80%82%e5%90%88%e5%a5%87%e8%bf%b9mu%ef%bc%9f%e5%8d%8e%e4%b8%ba%e8%99%9a%e6%8b%9f%e6%9c%ba%e5%8f%ab%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"http:\/\/stmu.1000uc.com\/mu\/24155.html","title":{"rendered":"\u4ec0\u4e48\u865a\u62df\u673a\u9002\u5408mu\uff1f\u534e\u4e3a\u865a\u62df\u673a\u53eb\u4ec0\u4e48"},"content":{"rendered":"

\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u6765\u4e3a\u5927\u5bb6\u89e3\u7b54\u4ec0\u4e48\u865a\u62df\u673a\u9002\u5408\u5947\u8ff9mu\u8fd9\u4e2a\u95ee\u9898\u7684\u4e00\u4e9b\u95ee\u9898\u70b9\uff0c\u5305\u62ec\u534e\u4e3a\u865a\u62df\u673a\u53eb\u4ec0\u4e48\u4e5f\u4e00\u6837\u5f88\u591a\u4eba\u8fd8\u4e0d\u77e5\u9053\uff0c\u56e0\u6b64\u5462\uff0c\u4eca\u5929\u5c31\u6765\u4e3a\u5927\u5bb6\u5206\u6790\u5206\u6790\uff0c\u73b0\u5728\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01\u5982\u679c\u89e3\u51b3\u4e86\u60a8\u7684\u95ee\u9898\uff0c\u8fd8\u671b\u60a8\u5173\u6ce8\u4e0b\u672c\u7ad9\u54e6\uff0c\u8c22\u8c22~ <\/p>\n

\u4e3b\u677f\u7684iommu\u662f\u4ec0\u4e48\u529f\u80fd<\/h3>\n

IOMMU(i\/omemorymanagementunit)\u3002iommu\u6709\u4e24\u5927\u529f\u80fd\uff1a\u63a7\u5236\u8bbe\u5907dma\u5730\u5740\u6620\u5c04\u5230\u673a\u5668\u7269\u7406\u5730\u5740\uff08dmar\uff09\uff0c\u4e2d\u65ad\u91cd\u6620\u5c04\uff08intremap\uff09\uff08\u53ef\u9009\uff09<\/p>\n

1.1dma\u5730\u5740\u7a7a\u95f4\u6620\u5c04<\/p>\n

Iommu\u7684\u4e3b\u8981\u529f\u80fd\u4e3a\u8bbe\u5907dma\u65f6\u523b\u80fd\u591f\u8bbf\u95ee\u673a\u5668\u7684\u7269\u7406\u5185\u5b58\u533a\uff0c\u540c\u65f6\u4fdd\u8bc1\u5b89\u5168\u6027\u3002<\/p>\n

\u5728\u6ca1\u6709Iommu\u7684\u65f6\u5019\uff0c\u8bbe\u5907\u901a\u8fc7dma\u53ef\u4ee5\u8bbf\u95ee\u5230\u673a\u5668\u7684\u5168\u90e8\u7684\u5730\u5740\u7a7a\u95f4\u3002<\/p>\n

1\u3001\u8fd9\u79cd\u673a\u5236\u4e0b\u5982\u679c\u5c06\u8bbe\u5907\u7684\u9a71\u52a8\u653e\u5728\u7528\u6237\u6001\uff0c\u90a3\u4e48\u5982\u4f55\u4fdd\u62a4\u673a\u5668\u7269\u7406\u5185\u5b58\u533a\u5bf9\u4e8e\u7528\u6237\u6001\u9a71\u52a8\u6846\u67b6\u8bbe\u8ba1\u5e26\u6765\u6311\u6218\u3002\u5f53\u51fa\u73b0\u4e86iommu\u4ee5\u540e\uff0ciommu\u901a\u8fc7\u63a7\u5236\u6bcf\u4e2a\u8bbe\u5907dma\u5730\u5740\u5230\u5b9e\u9645\u7269\u7406\u5730\u5740\u7684\u6620\u5c04\u8f6c\u6362\uff0c\u4f7f\u5f97\u5728\u4e00\u5b9a\u7684\u5185\u6838\u9a71\u52a8\u6846\u67b6\u4e0b\uff0c\u7528\u6237\u6001\u9a71\u52a8\u80fd\u80fd\u591f\u5b8c\u5168\u64cd\u4f5c\u67d0\u4e2a\u8bbe\u5907dma\u548c\u4e2d\u65ad\u6210\u4e3a\u53ef\u80fd\u3002<\/p>\n

2\u3001\u5982\u679c\u5c06\u8fd9\u4e2a\u7269\u7406\u8bbe\u5907\u901a\u8fc7\u900f\u4f20\u7684\u65b9\u5f0f\u8fdb\u5165\u5230\u865a\u62df\u5316\u865a\u62df\u673a\u91cc\uff0c\u865a\u62df\u673a\u7684\u8bbe\u5907\u9a71\u52a8\u914d\u7f6e\u8bbe\u5907\u7684dma\u540e\uff0chypervisor\u5fc5\u987b\u5728\u900f\u4f20\u8bbe\u5907dma\u8bbf\u95ee\u65f6\u523b\uff0c\u5bf9dma\u8bbf\u95ee\u8fdb\u884c\u622a\u83b7\uff0c\u5c06\u5176\u4e2ddma\u8bbf\u95ee\u7684\u865a\u62df\u673a\u7269\u7406\u5730\u5740\uff0c\u8f6c\u6362\u4e3ahypervisor\u4e3a\u865a\u62df\u673a\u5206\u914d\u7684\u7269\u7406\u5730\u5740\uff0c\u4e5f\u5c31\u662f\u9700\u8981\u5c06\u865a\u62df\u673a\u900f\u4f20\u8bbe\u5907dma\u8bbf\u95ee\u505avpaddr(\u865a\u62df\u673a\u7269\u7406\u5730\u5740)—->ppaddr\uff08\u7269\u7406\u673a\u7269\u7406\u5730\u5740\uff09\u3002\u8fd9\u90e8\u5206\u622a\u83b7\u5bf9\u865a\u62df\u673adma\u6765\u8bf4\u5e26\u6765\u5207\u6362\u5230hypervisor\u5f00\u9500\uff0chypervisor\u8f6c\u6362\u5730\u5740\u5f00\u9500\u3002<\/p>\n

\u5f53\u5f15\u5165\u4e86iommu\u4ee5\u540e\uff0c\u8fd9\u90e8\u5206\u5f00\u9500\u7531iommu\u786c\u4ef6\u627f\u62c5\uff0c\u6240\u6709hypervisor\u5de5\u4f5c\u5c31\u66f4\u52a0\u7b80\u5355\uff0c\u53ea\u9700\u8981\u5c06\u900f\u4f20\u8bbe\u5907Iommudma\u5730\u5740\u6620\u5c04\u8868\u4f7f\u7528vpaddr—>ppaddr\u5730\u5740\u8f6c\u6362\u8868\u5373\u53ef\uff08\u8fd9\u90e8\u5206\u8868\u5728hypervisor\u91cc\u914d\u7f6e\u5728ept\u4e2d\uff09<\/p>\n

3\u3001\u65b9\u4fbf\u4e86\u8001\u5f0f32\u4f4dpci\u786c\u4ef6\u572864\u4f4d\u673a\u5668\u4e0a\u7684\u4f7f\u7528\u3002\u53ea\u9700\u8981\u5728iommu\u5730\u5740\u6620\u5c04\u8868\u4e0a\u914d\u7f6e32bitpci\u8bbe\u5907dma\u5730\u5740–>64\u4f4d\u673a\u5668\u7269\u7406\u5730\u5740\u5373\u53ef\u3002<\/p>\n

4\u3001\u65b9\u4fbf\u4e86\u4e3b\u673aos\u914d\u7f6e\u8bbe\u5907dma\u5de5\u4f5c\uff0c\u56e0\u4e3adma\u8981\u6c42\u4f7f\u7528\u8fde\u7eed\u7684\u5730\u5740\u7a7a\u95f4\u8fdb\u884c\u8bfb\u5199\uff0c\u6709\u4e86iommu\u7684\u5b58\u5728os\u5c31\u53ef\u4ee5\u4e3a\u8bbe\u5907\u914d\u7f6e\u8fde\u7eed\u7684dma\u5730\u5740\u800c\u771f\u6b63\u5bf9\u5e94\u7684\u975e\u8fde\u7eed\u7684\u7269\u7406\u5730\u5740<\/p>\n

Mac\u4e0a\u6709\u4ec0\u4e48\u597d\u7684\u5b89\u5353\u6a21\u62df\u5668<\/h3>\n

\u6ca1\u6709\u597d\u7528\u7684\u57fa\u4e8e\u4e00\u4e2a\u56fd\u5916\u7684\u6a21\u62df\u5668\u6539\u7684\u3002\u6211\u6d4b\u8bd5\u8fc7\uff0c\u53ea\u8981\u4e00\u4e2a\u8f6f\u4ef6\u5728\u67d0\u4e2a\u6a21\u62df\u5668\u65e0\u6cd5\u8fd0\u884c\u5176\u4ed6\u7684\u6a21\u62df\u5668\u4e5f\u65e0\u6cd5\u8fd0\u884c\u3002<\/p>\n

Mac\u4e0a\u9762\u7684\u56fd\u4ea7\u6a21\u62df\u5668\u6709\u5929\u5929\u6a21\u62df\u5668\uff0c\u7f51\u6613mu\u6a21\u62df\u5668\uff0c\u591c\u795e\u6a21\u62df\u5668\uff0c\u6d77\u9a6c\u73a9\u6a21\u62df\u5668\uff0c\u8fd8\u6709\u56fd\u5916\u7684andy\u6a21\u62df\u5668\uff0c\u540e\u9762\u4e24\u4e2a\u9700\u8981\u5b89\u88c5\u865a\u62df\u673avt\u5f00\u5934\u7684\u865a\u62df\u673a\u3002<\/p>\n

1040\u663e\u5361\u76f8\u5f53\u4e8e\u4ec0\u4e48\u6863\u6b21<\/h3>\n

I510400\u96c6\u6210\u4e86hd630\u6838\u5fc3\u56fe\u5f62\u5361\uff0c\u5927\u81f4\u76f8\u5f53\u4e8egt730\u7684\u6c34\u5e73\u3002IntelCorei510400\u662f\u4e00\u6b3e\u9002\u7528\u4e8e\u53f0\u5f0f\u8ba1\u7b97\u673a\u7684\u7535\u5b50\u4ea7\u54c1\uff0cCPU\u9891\u7387\u4e3a2.9ghz\uff0c\u52a8\u6001\u52a0\u901f\u9891\u7387\u4e3a4.3ghz\uff0c\u5236\u9020\u5de5\u827a\u4e3a14nm\uff0c\u63d2\u69fdLGA1200\uff0c\u5c01\u88c5\u5c3a\u5bf8\u4e3a37.5mm\u3002\u8fd9\u79cd\u56fe\u5f62\u5361\u5c5e\u4e8e\u5165\u95e8\u7ea7\u3002\u4f7f\u7528\u6216\u73a9\u5c0f\u6e38\u620f\u4e0d\u662f\u4ec0\u4e48\u5927\u95ee\u9898\u3002<\/p>\n

\u5728\u53cc\u901a\u9053\u60c5\u51b5\u4e0b\uff0c\u7b2c\u5341\u4ee3i510400\u5185\u6838\u4e0e\u5c0f\u82f1\u575dgt730\u5dee\u5f02\u4e0d\u5927\uff0c\u7ea7\u522b\u76f8\u540c\u3002\u82f1\u7279\u5c14\u5904\u7406\u5668\u652f\u6301\u5e26\u6709adual\u901a\u9053\u63a5\u53e3\u7684DDR4\u5185\u5b58\u3002\u5b98\u65b9\u652f\u6301\u7684\u6700\u5927\u5185\u5b58\u901f\u5ea6\u4e3a2666mhz\uff0c\u4f46\u60a8\u53ef\u4ee5\u901a\u8fc7\u8d85\u9891\uff08\u4ee5\u53ca\u6b63\u786e\u7684\u5185\u5b58\u6a21\u5757\uff09\u83b7\u5f97\u66f4\u9ad8\u7684\u901f\u5ea6\u3002<\/p>\n

\u4e3a\u4e86\u4e0e\u673a\u5668\u4e2d\u7684\u5176\u4ed6\u7ec4\u4ef6\u901a\u4fe1\uff0ccorei5-10400\u4f7f\u7528PCIExpressgen3\u8fde\u63a5\u3002\u5904\u7406\u5668\u91c7\u7528UHDgraphics630\u96c6\u6210\u56fe\u5f62\u89e3\u51b3\u65b9\u6848\u3002\u5728\u6838\u5fc3i5-10400\u4e0a\u63d0\u4f9b\u4e86\u786c\u4ef6\u865a\u62df\u5316\uff0c\u8fd9\u5927\u5927\u63d0\u9ad8\u4e86\u865a\u62df\u673a\u7684\u6027\u80fd\u3002<\/p>\n

\u6b64\u5916\uff0c\u652f\u6301IOMMU\u865a\u62df\u5316\uff08PCI\u76f4\u901a\uff09\uff0c\u4ee5\u4fbf\u6765\u5bbe\u865a\u62df\u673a\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u4e3b\u673a\u786c\u4ef6\u3002\u4f7f\u7528\u9ad8\u7ea7\u5411\u91cf\u6269\u5c55\uff08AVX\uff09\u7684\u7a0b\u5e8f\u53ef\u4ee5\u5728\u8be5\u5904\u7406\u5668\u4e0a\u8fd0\u884c\uff0c\u4ece\u800c\u63d0\u9ad8\u8ba1\u7b97\u91cf\u5927\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u9664\u4e86AVX\uff0cIntel\u8fd8\u5305\u62ec\u66f4\u65b0\u7684avx2\u6807\u51c6\uff0c\u4f46\u4e0d\u5305\u62ecAVX-512\u3002<\/p>\n

i512600kf\u6838\u663e\u76f8\u5f53\u4e8e\u4ec0\u4e48\u663e\u5361<\/h3>\n

i512600kf\u5185\u7f6e\u81ea\u5e26\u7684\u6838\u663eHD7770\uff0c\u76f8\u5f53\u4e8e1030\u7684\u663e\u5361\uff0c<\/p>\n

\u7545\u73a9\u817e\u8baf\u5168\u5bb6\u6876\u8fd8\u6709\u4e00\u4e9b\u70ed\u95e8\u7684\u6e38\u620f\u90fd\u6ca1\u6709\u95ee\u9898\u3002\u8fd9\u4e2a\u6027\u80fd\u5f3a\u52b2\u7684CPU\uff0c\u5c31\u7b97\u5230\u65f6\u4f60\u8981\u5347\u7ea7\u4e3aRTX3080\u7684\u663e\u5361\u5b83\u90fd\u80fd\u8dd1\u6ee1\uff0c\u5b8c\u5168\u4e0d\u7528\u8003\u8651\u73a9LOL\u6e38\u620f\u5361\u987f\u7684\u95ee\u9898\u3002<\/p>\n

\u534e\u4e3a\u865a\u62df\u673a\u53eb\u4ec0\u4e48<\/h3>\n

\u534e\u4e3a\u865a\u62df\u673a\u53ebFusionSpher\u3002<\/p>\n

NUMA\u4f18\u5316\uff0c\u5927\u5185\u5b58\u9875\u9762\u4f18\u5316\uff0cI\/O\u4f18\u5316\u548c\u76f4\u901a;<\/p>\n

\u81ea\u7814ARM\u8f85\u52a9\u865a\u62df\u5316\uff0c\u667a\u80fd\u7f51\u5361iNIC;<\/p>\n

\u5b9e\u65f6\uff0c\u4f4e\u65f6\u5ef6\u4e1a\u52a1\u4f18\u5316;<\/p>\n

\u5148\u8fdb\u7684\u5206\u5c42\u7ba1\u7406\u67b6\u6784\u5b9e\u73b0\u5927\u5bb9\u91cf\u7cfb\u7edf\u7ba1\u7406\uff0c\u540c\u65f6\u652f\u6301\u5e73\u6ed1\u6269\u5c55;<\/p>\n

\u5168\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u5b9e\u73b0\u5927\u89c4\u6a21\u96c6\u7fa4\u8c03\u5ea6\u3002<\/p>\n

\u5168\u5206\u5e03\u5f0f\u5b58\u50a8\u5f15\u64ce\u2013FusionStorage\uff0c\u9762\u5411\u865a\u62df\u5316\u9ad8\u5e76\u53d1\uff0c\u5927\u89c4\u6a21\u4e1a\u52a1\u7279\u5f81\u7684\u5168\u65b0\u5b58\u50a8\u67b6\u6784;<\/p>\n

\u9762\u5411\u6570\u636e\u4ed3\u5e93\u7b49\u5b58\u50a8\u91cd\u8f7d\u4e1a\u52a1\u4f18\u5316;<\/p>\n

\u901a\u8fc7VT-d\/IOMMU\u6280\u672f\u7684\u7269\u7406GPU\u76f4\u901a\u6280\u672f;<\/p>\n

\u81ea\u7814\u7684GPU\u865a\u62df\u5316\u6280\u672f\u3002<\/p>\n

VSG(VirtualServiceGateway)\uff1aDhcp\/Route\/LB\/VxLAN-GW\/VPN\u2026<\/p>\n

\u5b89\u5168\u7ec4\u589e\u5f3a\uff1a\u79c1\u6709\u4e91smartzone1.0\u3001VPCNACL\u3001EC2\u5b89\u5168\u7ec4\u3002<\/p>\n

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