{"id":69018,"date":"2024-01-19T10:15:58","date_gmt":"2024-01-19T02:15:58","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=69018"},"modified":"2024-01-19T10:15:58","modified_gmt":"2024-01-19T02:15:58","slug":"pytorch%e4%b8%ad%e7%9a%84%e9%92%a9%e5%ad%90%ef%bc%88hook%ef%bc%89%e6%9c%89%e4%bd%95%e4%bd%9c%e7%94%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/69018.html","title":{"rendered":"pytorch\u4e2d\u7684\u94a9\u5b50\uff08Hook\uff09\u6709\u4f55\u4f5c\u7528"},"content":{"rendered":"

PyTorch\u4e2d\u7684\u94a9\u5b50\u7528\u4e8e\u76d1\u63a7\u548c\u4fee\u6539\u795e\u7ecf\u7f51\u7edc\u7684\u5185\u90e8\u72b6\u6001\u6216\u8f93\u51fa\uff0c\u8f85\u52a9\u8fdb\u884c\u7f51\u7edc\u4e2d\u95f4\u5c42\u7684\u6570\u636e\u63d0\u53d6\u3001\u68af\u5ea6\u76d1\u63a7\u6216\u53d8\u66f4\u7b49\u64cd\u4f5c\uff0c\u63d0\u4f9b\u6a21\u578b\u8bad\u7ec3\u548c\u8c03\u8bd5\u7684\u4fbf\u5229\u6027\u3002<\/strong><\/p>\n

\u94a9\u5b50\uff08Hook\uff09\u5728PyTorch\u4e2d\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u5728\u6a21\u578b\u7684\u524d\u5411\u4f20\u64ad\u6216\u53cd\u5411\u4f20\u64ad\u9636\u6bb5\u5d4c\u5165\u81ea\u5b9a\u4e49\u7684\u51fd\u6570\uff0c\u4ee5\u5b9e\u73b0\u5bf9\u4e2d\u95f4\u5c42\u8f93\u51fa\u3001\u68af\u5ea6\u53ca\u5176\u4ed6\u5185\u90e8\u64cd\u4f5c\u7684\u76f4\u63a5\u8bbf\u95ee\u548c\u64cd\u4f5c\u3002\u8fd9\u4e00\u673a\u5236\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6a21\u578b\u8c03\u8bd5\u3001\u53ef\u89c6\u5316\u3001\u4ee5\u53ca\u590d\u6742\u7f51\u7edc\u7ed3\u6784\u7684\u5f00\u53d1\u4e2d\u3002<\/p>\n

\u94a9\u5b50\u7684\u4e3b\u8981\u529f\u80fd<\/strong>\u53ef\u4ee5\u6982\u8ff0\u4e3a\uff1a<\/p>\n

1. \u76d1\u63a7\u6a21\u578b<\/strong>\uff1a\u901a\u8fc7\u5728\u6307\u5b9a\u5c42\u6ce8\u518c\u524d\u5411\u6216\u540e\u5411\u94a9\u5b50\uff0c\u53ef\u4ee5\u5b9e\u65f6\u76d1\u63a7\u6a21\u578b\u7684\u5185\u90e8\u64cd\u4f5c\uff0c\u4f8b\u5982\u4e2d\u95f4\u5c42\u7684\u6fc0\u6d3b\u503c\u548c\u68af\u5ea6\u3002<\/p>\n

2. \u4fee\u6539\u68af\u5ea6<\/strong>\uff1a\u5728\u53cd\u5411\u4f20\u64ad\u8fc7\u7a0b\u4e2d\uff0c\u94a9\u5b50\u53ef\u4ee5\u7528\u6765\u4fee\u6539\u6216\u68c0\u67e5\u68af\u5ea6\uff0c\u8fd9\u5728\u5b9e\u73b0\u81ea\u5b9a\u4e49\u4f18\u5316\u7b97\u6cd5\u6216\u8fdb\u884c\u68af\u5ea6\u526a\u5207\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n

3. \u7279\u5f81\u63d0\u53d6<\/strong>\uff1a\u53ef\u4ee5\u7528\u94a9\u5b50\u4ece\u7f51\u7edc\u4e2d\u63d0\u53d6\u7279\u5f81\uff0c\u5bf9\u4e2d\u95f4\u5c42\u7684\u8f93\u51fa\u8fdb\u884c\u989d\u5916\u7684\u5904\u7406\u6216\u5b58\u50a8\u3002<\/p>\n

\u5728PyTorch\u4e2d\uff0c\u6709\u4e24\u7c7b\u94a9\u5b50\uff1a\u6a21\u5757\u94a9\u5b50\u548c\u5f20\u91cf\u94a9\u5b50\u3002<\/p>\n

\u6a21\u5757\u94a9\u5b50<\/strong>\u5206\u4e3a\uff1a<\/p>\n

– \u524d\u5411\u94a9\u5b50<\/strong>\uff1a\u5728\u524d\u5411\u4f20\u64ad\u65f6\u89e6\u53d1\u3002<\/p>\n

– \u540e\u5411\u94a9\u5b50<\/strong>\uff1a\u5728\u53cd\u5411\u4f20\u64ad\u65f6\u89e6\u53d1\uff0c\u7528\u4e8e\u68af\u5ea6\u8ba1\u7b97\u4e4b\u540e\u3002<\/p>\n

\u5f20\u91cf\u94a9\u5b50<\/strong>\u4e3b\u8981\u7528\u4e8e\u5bf9\u5f20\u91cf\u6267\u884c\u64cd\u4f5c\uff0c\u4e3b\u8981\u662f\u68af\u5ea6\u8ba1\u7b97\u540e\u7684\u64cd\u4f5c\u3002<\/p>\n

\u4e0b\u9762\u662f\u5177\u4f53\u7684\u4f7f\u7528\u4ecb\u7ecd\uff1a<\/p>\n

\u4e00\u3001\u6a21\u5757\u94a9\u5b50\u7684\u4f7f\u7528<\/strong><\/h2>\n

1. \u7f16\u5199\u94a9\u5b50\u51fd\u6570<\/strong>\uff1a\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u5b83\u5c06\u5728\u524d\u5411\u6216\u540e\u5411\u4f20\u64ad\u8fc7\u7a0b\u4e2d\u88ab\u8c03\u7528\u3002<\/p>\n

2. \u6ce8\u518c\u94a9\u5b50<\/strong>\uff1a\u901a\u8fc7\u8c03\u7528`module.register_forward_hook`\u6216`module.register_backward_hook`\u5c06\u94a9\u5b50\u51fd\u6570\u6ce8\u518c\u5230\u60f3\u8981\u76d1\u63a7\u7684\u6a21\u5757\u4e0a\u3002<\/p>\n

\u4e8c\u3001\u5f20\u91cf\u94a9\u5b50\u7684\u4f7f\u7528<\/strong><\/h2>\n

1. \u7f16\u5199\u94a9\u5b50\u51fd\u6570<\/strong>\uff1a\u521b\u5efa\u4e00\u4e2a\u5904\u7406\u68af\u5ea6\u7684\u51fd\u6570\u3002<\/p>\n

2. \u6ce8\u518c\u94a9\u5b50<\/strong>\uff1a\u901a\u8fc7\u8c03\u7528`tensor.register_hook`\u5c06\u51fd\u6570\u6ce8\u518c\u4e3a\u5f20\u91cf\u7684\u94a9\u5b50\u3002<\/p>\n

\u4e09\u3001\u94a9\u5b50\u7684\u79fb\u9664<\/strong><\/h2>\n

\u4e3a\u4e86\u9632\u6b62\u5185\u5b58\u6cc4\u9732\uff0c\u5fc5\u987b\u5728\u4f7f\u7528\u5b8c\u6210\u540e\u79fb\u9664\u94a9\u5b50\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528\u94a9\u5b50\u51fd\u6570\u8fd4\u56de\u7684\u53e5\u67c4\u7684`remove`\u65b9\u6cd5\u5b8c\u6210\u3002<\/p>\n

\u56db\u3001\u6848\u4f8b\uff1a<\/strong><\/h2>\n

\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f7f\u7528\u94a9\u5b50\u7684\u793a\u4f8b\uff0c\u5b83\u5c55\u793a\u4e86\u5982\u4f55\u5229\u7528\u524d\u5411\u94a9\u5b50\u6765\u76d1\u63a7\u67d0\u4e00\u5c42\u7684\u8f93\u51fa\u3002<\/p>\n

\uff08\u4ee3\u7801\u793a\u4f8b\u7565\uff09<\/p>\n

\u6b64\u5916\uff0c\u94a9\u5b50\u7684\u9ad8\u7ea7\u5e94\u7528\u5305\u62ec\u6a21\u578b\u526a\u679d\u3001\u7279\u5f81\u6620\u5c04\u7684\u53ef\u89c6\u5316\u7b49\uff0c\u5229\u7528\u5176\u7075\u6d3b\u6027\u548c\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u5f00\u53d1\u8005\u548c\u7814\u7a76\u4eba\u5458\u53ef\u4ee5\u66f4\u52a0\u6709\u6548\u5730\u5bf9\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\u8fdb\u884c\u5b9e\u9a8c\u548c\u7406\u89e3\u3002<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong>PyTorch\u4e2d\u7684\u94a9\u5b50\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n

1. \u94a9\u5b50\uff08Hook\uff09\u5728PyTorch\u4e2d\u662f\u6307\u4e00\u79cd\u53ef\u9644\u52a0\u5230\u6a21\u578b\u67d0\u4e9b\u5c42\u6216\u64cd\u4f5c\u4e0a\u7684\u51fd\u6570\uff0c\u5f53\u6a21\u578b\u6267\u884c\u8fd9\u4e9b\u5c42\u6216\u64cd\u4f5c\u65f6\uff0c\u94a9\u5b50\u5c06\u81ea\u52a8\u542f\u52a8\u3002\u94a9\u5b50\u5141\u8bb8\u7528\u6237\u5728\u6a21\u578b\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\u83b7\u53d6\u548c\u5904\u7406\u4e2d\u95f4\u5c42\u8f93\u51fa\u3001\u68af\u5ea6\u7b49\u4fe1\u606f\uff0c\u4ee5\u4fbf\u8fdb\u884c\u8c03\u8bd5\u3001\u53ef\u89c6\u5316\u3001\u7279\u5f81\u63d0\u53d6\u7b49\u64cd\u4f5c\u3002<\/p>\n

\u5982\u4f55\u5728PyTorch\u4e2d\u4f7f\u7528\u94a9\u5b50\uff1f<\/strong><\/p>\n

2. \u7528\u6237\u53ef\u4ee5\u4f7f\u7528`register_forward_hook`\u548c`register_backward_hook`\u65b9\u6cd5\u4e3a\u6a21\u578b\u7684\u7279\u5b9a\u5c42\u6216\u64cd\u4f5c\u6ce8\u518c\u524d\u5411\u94a9\u5b50\u548c\u53cd\u5411\u94a9\u5b50\uff0c\u5206\u522b\u7528\u4e8e\u83b7\u53d6\u4e2d\u95f4\u5c42\u8f93\u51fa\u548c\u68af\u5ea6\u4fe1\u606f\u3002\u94a9\u5b50\u53ef\u4ee5\u662f\u7528\u6237\u5b9a\u4e49\u7684\u51fd\u6570\uff0c\u4e5f\u53ef\u4ee5\u662fPyTorch\u5185\u7f6e\u7684\u51fd\u6570\u3002<\/p>\n

\u94a9\u5b50\u5728\u6df1\u5ea6\u5b66\u4e60\u4e2d\u6709\u4f55\u4f5c\u7528\uff1f<\/strong><\/p>\n

3. \u94a9\u5b50\u5728\u6df1\u5ea6\u5b66\u4e60\u4e2d\u5177\u6709\u591a\u79cd\u4f5c\u7528\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n

– \u4e2d\u95f4\u5c42\u8f93\u51fa\u7684\u53ef\u89c6\u5316\uff1a\u901a\u8fc7\u524d\u5411\u94a9\u5b50\u83b7\u53d6\u4e2d\u95f4\u5c42\u7684\u8f93\u51fa\uff0c\u53ef\u4ee5\u53ef\u89c6\u5316\u6a21\u578b\u5bf9\u8f93\u5165\u6570\u636e\u7684\u7406\u89e3\uff1b
\n– \u68af\u5ea6\u7684\u53ef\u89c6\u5316\u548c\u5206\u6790\uff1a\u901a\u8fc7\u53cd\u5411\u94a9\u5b50\u83b7\u53d6\u68af\u5ea6\u4fe1\u606f\uff0c\u53ef\u4ee5\u5206\u6790\u5404\u5c42\u5bf9\u635f\u5931\u51fd\u6570\u7684\u8d21\u732e\uff0c\u4ece\u800c\u8fdb\u884c\u68af\u5ea6\u526a\u88c1\u6216\u76f8\u5173\u6027\u5206\u6790\uff1b
\n– \u7279\u5f81\u63d0\u53d6\uff1a\u901a\u8fc7\u524d\u5411\u94a9\u5b50\u83b7\u53d6\u4e2d\u95f4\u5c42\u8f93\u51fa\uff0c\u53ef\u4ee5\u5c06\u8be5\u8f93\u51fa\u4f5c\u4e3a\u7279\u5f81\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u673a\u5668\u5b66\u4e60<\/a>\u6216\u53ef\u89c6\u5316\u5206\u6790\u3002<\/p>\n

\u8fd9\u4e9b\u529f\u80fd\u4f7f\u5f97\u94a9\u5b50\u6210\u4e3aPyTorch\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u91cd\u8981\u5de5\u5177\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u6a21\u578b\u8c03\u8bd5\u548c\u6df1\u5ea6\u5b66\u4e60\u7814\u7a76\u4e2d\u7684\u5404\u79cd\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"PyTorch\u4e2d\u7684\u94a9\u5b50\u7528\u4e8e\u76d1\u63a7\u548c\u4fee\u6539\u795e\u7ecf\u7f51\u7edc\u7684\u5185\u90e8\u72b6\u6001\u6216\u8f93\u51fa\uff0c\u8f85\u52a9\u8fdb\u884c\u7f51\u7edc\u4e2d\u95f4\u5c42\u7684\u6570\u636e\u63d0\u53d6\u3001\u68af\u5ea6\u76d1\u63a7\u6216\u53d8\u66f4\u7b49\u64cd […]","protected":false},"author":1,"featured_media":69019,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/69018"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=69018"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/69018\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/69019"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=69018"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=69018"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=69018"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}