{"id":8798,"date":"2026-06-09T14:34:51","date_gmt":"2026-06-09T06:34:51","guid":{"rendered":"https:\/\/ab123.xyz\/?p=8798"},"modified":"2026-06-09T14:34:51","modified_gmt":"2026-06-09T06:34:51","slug":"amazon-inferentia2-neuron-core-%e6%8e%a8%e7%90%86%e5%bb%b6%e8%bf%9f%e8%b0%83%e4%bc%98%ef%bc%9a%e6%80%a7%e8%83%bd%e6%9e%81%e8%87%b4%e4%bc%98%e5%8c%96%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/ab123.xyz\/?p=8798","title":{"rendered":"Amazon Inferentia2 Neuron Core \u63a8\u7406\u5ef6\u8fdf\u8c03\u4f18\uff1a\u6027\u80fd\u6781\u81f4\u4f18\u5316\u6307\u5357"},"content":{"rendered":"<p>\u5728\u6df1\u5ea6\u5b66\u4e60\u63a8\u7406\u9886\u57df\uff0c\u5ef6\u8fdf\u662f\u51b3\u5b9a\u7528\u6237\u4f53\u9a8c\u4e0e\u6210\u672c\u6548\u76ca\u7684\u5173\u952e\u6307\u6807\u3002Amazon Inferentia2 \u82af\u7247\u642d\u8f7d\u7684 Neuron Core \u67b6\u6784\u4e13\u4e3a\u9ad8\u541e\u5410\u3001\u4f4e\u5ef6\u8fdf\u7684\u673a\u5668\u5b66\u4e60\u63a8\u7406\u8bbe\u8ba1\uff0c\u4f46\u5982\u4f55\u9488\u5bf9\u7279\u5b9a\u6a21\u578b\u8fdb\u884c\u7cbe\u7ec6\u8c03\u4f18\uff0c\u4ecd\u662f\u8bb8\u591a\u5de5\u7a0b\u5e08\u9762\u4e34\u7684\u6311\u6218\u3002\u672c\u6587\u4f5c\u4e3a\u6743\u5a01\u6280\u672f\u6307\u5357\uff0c\u5c06\u7cfb\u7edf\u4ecb\u7ecd Neuron Core \u63a8\u7406\u5ef6\u8fdf\u8c03\u4f18\u7684\u6838\u5fc3\u65b9\u6cd5\u4e0e\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<p>\u5b98\u65b9\u8d44\u6e90\u662f\u5165\u95e8\u7b2c\u4e00\u6b65\uff1a\u8bf7\u8bbf\u95ee <a href=\"https:\/\/aws.amazon.com\/inferentia\/\" target=\"_blank\">Amazon Inferentia \u5b98\u65b9\u7f51\u7ad9<\/a> \u83b7\u53d6\u6700\u65b0\u9a71\u52a8\u3001\u6587\u6863\u548c\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<h2>\u529f\u80fd\u4e0e\u67b6\u6784\u4f18\u52bf<\/h2>\n<p>Inferentia2 \u7684 Neuron Core \u91c7\u7528\u5f02\u6784\u8ba1\u7b97\u8bbe\u8ba1\uff0c\u6bcf\u4e2a\u6838\u5fc3\u5305\u542b\u53ef\u7f16\u7a0b\u7684\u5f20\u91cf\u5f15\u64ce\u548c\u5411\u91cf\u5f15\u64ce\uff0c\u652f\u6301 FP16\u3001BF16 \u53ca INT8 \u7b49\u6df7\u5408\u7cbe\u5ea6\u8ba1\u7b97\u3002\u5176\u6838\u5fc3\u4f18\u52bf\u5728\u4e8e\uff1a<\/p>\n<ul>\n<li><strong>\u4f4e\u5ef6\u8fdf\u5e76\u884c<\/strong>\uff1a\u591a\u6838\u5fc3\u95f4\u901a\u8fc7\u9ad8\u901f\u73af\u5f62\u603b\u7ebf\u4e92\u8054\uff0c\u51cf\u5c11\u6570\u636e\u4f20\u8f93\u74f6\u9888\u3002<\/li>\n<li><strong>\u52a8\u6001\u5206\u7247<\/strong>\uff1a\u81ea\u52a8\u5c06\u6a21\u578b\u6309\u5c42\u5206\u914d\u5230\u6700\u4f18\u6838\u5fc3\uff0c\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u3002<\/li>\n<li><strong>\u795e\u7ecf\u5143\u7f16\u8bd1\u5668<\/strong>\uff1aNeuron Compiler \u80fd\u5c06 PyTorch\u3001TensorFlow \u6a21\u578b\u7f16\u8bd1\u4e3a\u9ad8\u6548\u6307\u4ee4\u96c6\uff0c\u5927\u5e45\u51cf\u5c11\u5197\u4f59\u8ba1\u7b97\u3002<\/li>\n<\/ul>\n<h3>\u5ef6\u8fdf\u5173\u952e\u6307\u6807<\/h3>\n<p>\u8c03\u4f18\u524d\u9700\u660e\u786e\u57fa\u51c6\uff1aP50 \u5ef6\u8fdf\uff08\u4e2d\u4f4d\u6570\uff09\u548c P99 \u5ef6\u8fdf\uff08\u5c3e\u5ef6\u8fdf\uff09\u662f\u8861\u91cf\u63a8\u7406\u6027\u80fd\u7684\u4e3b\u8981\u6307\u6807\u3002Neuron Core \u901a\u8fc7\u5185\u6838\u7ea7\u62a2\u5360\u548c\u7f13\u5b58\u4f18\u5316\uff0c\u80fd\u5c06 P99 \u6296\u52a8\u63a7\u5236\u5728 5% \u4ee5\u5185\u3002<\/p>\n<h2>\u6838\u5fc3\u8c03\u4f18\u7b56\u7565<\/h2>\n<p>\u8c03\u4f18\u8fc7\u7a0b\u5206\u4e3a\u6a21\u578b\u7f16\u8bd1\u3001\u8fd0\u884c\u65f6\u914d\u7f6e\u548c\u786c\u4ef6\u62d3\u6251\u9002\u914d\u4e09\u4e2a\u9636\u6bb5\u3002\u4ee5\u4e0b\u662f\u7ecf\u8fc7\u751f\u4ea7\u9a8c\u8bc1\u7684\u5b9e\u7528\u65b9\u6cd5\uff1a<\/p>\n<h3>1. \u7f16\u8bd1\u65f6\u4f18\u5316<\/h3>\n<ul>\n<li>\u4f7f\u7528 <code>neuron_parallel_compile<\/code> \u5f00\u542f\u81ea\u52a8\u5e76\u884c\u7f16\u8bd1\uff0c\u652f\u6301\u591a\u8282\u70b9\u534f\u540c\u3002<\/li>\n<li>\u8bbe\u7f6e <code>--enable-mixed-precision<\/code> \u4e3a FP16\uff0c\u5728\u7cbe\u5ea6\u5141\u8bb8\u4e0b\u51cf\u534a\u5185\u5b58\u5e26\u5bbd\u9700\u6c42\u3002<\/li>\n<li>\u542f\u7528 <code>--enable-tensor-binning<\/code> \u5bf9\u5f20\u91cf\u8fdb\u884c\u6279\u5904\u7406\u5408\u5e76\uff0c\u51cf\u5c11\u6838\u5fc3\u8c03\u7528\u6b21\u6570\u3002<\/li>\n<\/ul>\n<h3>2. \u8fd0\u884c\u65f6\u8c03\u8c10<\/h3>\n<ul>\n<li>\u8c03\u6574 <code>NEURON_RT_NUM_CONTEXTS<\/code> \u73af\u5883\u53d8\u91cf\uff0c\u63a7\u5236\u5e76\u53d1\u6a21\u578b\u6570\u91cf\uff0c\u907f\u514d\u4e0a\u4e0b\u6587\u5207\u6362\u5f00\u9500\u3002<\/li>\n<li>\u4f7f\u7528 <code>neuron-top<\/code> \u5de5\u5177\u5b9e\u65f6\u76d1\u63a7\u6838\u5fc3\u5229\u7528\u7387\uff0c\u8bc6\u522b\u95f2\u7f6e\u6216\u8fc7\u8f7d\u6838\u5fc3\u3002<\/li>\n<li>\u8bbe\u7f6e <code>NEURON_RT_VPU_BATCH_SIZE<\/code> \u4e3a 4~8\uff0c\u4f18\u5316\u5411\u91cf\u5904\u7406\u5355\u5143\u541e\u5410\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u6548\u679c<\/h2>\n<p>\u7ecf\u8fc7\u8c03\u4f18\u7684 Inferentia2 \u5b9e\u4f8b\u5728\u4ee5\u4e0b\u573a\u666f\u8868\u73b0\u7a81\u51fa\uff1a<\/p>\n<ul>\n<li><strong>\u81ea\u7136\u8bed\u8a00\u5904\u7406<\/strong>\uff1aBERT\u3001GPT \u7c7b\u6a21\u578b\u5ef6\u8fdf\u53ef\u964d\u81f3 2ms \u4ee5\u5185\uff08Batch=1\uff09\u3002<\/li>\n<li><strong>\u8ba1\u7b97\u673a\u89c6\u89c9<\/strong>\uff1aResNet-50 \u63a8\u7406\u541e\u5410\u63d0\u5347 3 \u500d\uff0c\u6210\u672c\u964d\u4f4e 40%\u3002<\/li>\n<li><strong>\u63a8\u8350\u7cfb\u7edf<\/strong>\uff1a\u591a\u6a21\u578b\u7ea7\u8054\u573a\u666f\u4e0b\uff0cP99 \u7a33\u5b9a\u5728 10ms \u4ee5\u4e0b\u3002<\/li>\n<\/ul>\n<h3>\u5b9e\u6218\u6848\u4f8b<\/h3>\n<p>\u67d0\u5934\u90e8\u7535\u5546\u5e73\u53f0\u4f7f\u7528 Neuron Core \u8c03\u4f18\u540e\uff0c\u5176\u5546\u54c1\u641c\u7d22\u6a21\u578b P50 \u5ef6\u8fdf\u4ece 8ms \u964d\u81f3 1.8ms\uff0c\u540c\u65f6\u6bcf\u5468\u8282\u7701\u7ea6 $12,000 \u7684\u63a8\u7406\u6210\u672c\u3002\u8c03\u4f18\u8fc7\u7a0b\u4e2d\uff0c\u5173\u952e\u6b65\u9aa4\u662f\u4f7f\u7528 Neuron Profiler \u5b9a\u4f4d\u5230\u5377\u79ef\u5c42\u5185\u5b58\u672a\u5bf9\u9f50\u74f6\u9888\uff0c\u901a\u8fc7\u8c03\u6574\u5f20\u91cf\u7ef4\u5ea6\u89e3\u51b3\u4e86\u95ee\u9898\u3002<\/p>\n<p>\u5efa\u8bae\u8bfb\u8005\u7ed3\u5408 AWS \u5b98\u65b9 <a href=\"https:\/\/docs.aws.amazon.com\/inferentia\/latest\/developerguide\/neuron-core-inference-tuning.html\" target=\"_blank\">Neuron Core \u8c03\u4f18\u6587\u6863<\/a> \u8fdb\u884c\u5b9e\u64cd\uff0c\u5e76\u5229\u7528 <code>neuron_test<\/code> \u5de5\u5177\u9a8c\u8bc1\u6539\u52a8\u6548\u679c\u3002\u6301\u7eed\u76d1\u63a7\u662f\u4fdd\u6301\u4f4e\u5ef6\u8fdf\u7684\u524d\u63d0\uff0c\u63a8\u8350\u7ed3\u5408 CloudWatch \u81ea\u5b9a\u4e49\u6307\u6807\u548c\u544a\u8b66\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u6df1\u5ea6\u5b66\u4e60\u63a8\u7406\u9886\u57df\uff0c\u5ef6\u8fdf\u662f\u51b3\u5b9a\u7528\u6237\u4f53\u9a8c\u4e0e\u6210\u672c\u6548\u76ca\u7684\u5173\u952e\u6307\u6807\u3002Amazon Inferentia2 \u82af\u7247\u642d\u8f7d\u7684  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[10999,10453,11004,11005,10477],"class_list":["post-8798","post","type-post","status-publish","format-standard","hentry","category-4","tag-amazon-inferentia2","tag-aws-","tag-neuron-core","tag-11005","tag-10477"],"_links":{"self":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/8798","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8798"}],"version-history":[{"count":1,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/8798\/revisions"}],"predecessor-version":[{"id":8799,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/8798\/revisions\/8799"}],"wp:attachment":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}