{"id":529,"date":"2025-07-28T17:04:14","date_gmt":"2025-07-28T09:04:14","guid":{"rendered":"http:\/\/8.154.33.202\/?p=529"},"modified":"2025-07-28T17:04:14","modified_gmt":"2025-07-28T09:04:14","slug":"torch-utils-checkpoint%e6%a8%a1%e5%9d%97","status":"publish","type":"post","link":"http:\/\/8.154.33.202\/?p=529","title":{"rendered":"torch.utils.checkpoint\u6a21\u5757"},"content":{"rendered":"\n<p>\u5f53\u8bad\u7ec3\u6a21\u578b\uff0c\u51fa\u73b0\u4e86\u663e\u5b58\u4e0d\u8db3\u7684\u95ee\u9898\u65f6\uff0c\u53ef\u4ee5\u5229\u7528torch.utils.checkpoint\u6a21\u5757\u4e0b\u7684checkpoint\u51fd\u6570\u6765\u51cf\u5c11\u8bad\u7ec3\u65f6\u7684\u663e\u5b58\u5360\u7528\uff0c\u4f46\u662f\u4ee3\u4ef7\u662f\u8bad\u7ec3\u8fc7\u7a0b\u4f1a\u53d8\u6162\uff0c\u672c\u8d28\u4e0a\u662f\u7528\u901f\u5ea6\u6362\u53d6\u5185\u5b58\u3002\u5b98\u65b9\u6587\u6863\u5730\u5740\uff1a<a href=\"https:\/\/docs.pytorch.org\/docs\/stable\/checkpoint.html\">torch.utils.checkpoint \u2014 PyTorch 2.7 documentation<\/a><\/p>\n\n\n\n<p>\u4e0d\u4f7f\u7528checkpoint\u65f6\uff0c\u524d\u5411\u4f20\u64ad\u7684\u8fc7\u7a0b\u4e2d\u4f1a\u4fdd\u5b58\u4e2d\u95f4\u7684activation\uff0c\u7528\u4e8e\u540e\u7eed\u53cd\u5411\u4f20\u64ad\u65f6\u8ba1\u7b97\u68af\u5ea6\u3002\u4f46\u4f7f\u7528checkpoint\uff0c\u4f1a\u53ea\u4fdd\u5b58\u8f93\u5165tuple\u548c\u6a21\u578b\u53c2\u6570\uff0c\u4e0d\u4fdd\u5b58\u4e2d\u95f4\u7684activation\uff0c\u5728\u53cd\u5411\u4f20\u64ad\u65f6\uff0c\u4f7f\u7528\u4fdd\u5b58\u7684\u8f93\u5165\u91cd\u65b0\u8ba1\u7b97\u4e2d\u95f4\u7684activation\uff0c\u76f8\u5f53\u4e8e\u91cd\u65b0\u8dd1\u4e86\u4e00\u904d\u6b63\u5e38\u7684\u524d\u5411\u4f20\u64ad\u3002\u53cd\u5411\u4f20\u64ad\u5b8c\u6210\u540e\uff0c\u628aactivation\u91ca\u653e\u3002<\/p>\n\n\n\n<p>checkpoint\u7684\u6b63\u786e\u4f7f\u7528\u65b9\u5f0f\u5e94\u8be5\u662f\u5c06\u7f51\u7edc\u5206\u4e3a\u82e5\u5e72\u7684\u6a21\u5757\uff0c\u5bf9\u6bcf\u4e2a\u6a21\u5757\u5e94\u7528checkpoint\uff0c\u8fd9\u6837\u53cd\u5411\u4f20\u64ad\u65f6\uff0c\u4f9d\u4ece\u540e\u5f80\u524d\u7684\u987a\u5e8f\u5bf9\u6bcf\u4e2a\u6a21\u5757\u8ba1\u7b97\u68af\u5ea6\uff0c\u4f46\u53ea\u6709\u5728\u8ba1\u7b97\u5230\u8be5\u6a21\u5757\u65f6\uff0c\u8be5\u6a21\u5757\u624d\u6709activation\u7684\u5185\u5b58\u5360\u7528\uff0c\u8ba1\u7b97\u5b8c\u6210\u6216\u6ca1\u8ba1\u7b97\u5230\u65f6\u5c31\u6ca1\u6709\u3002checkpoint\u4e0d\u5e94\u8be5\u5bf9\u7f51\u7edc\u6574\u4f53\u4f7f\u7528\uff0c\u5426\u5219\u5c31\u548c\u6b63\u5e38\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e00\u6837\u5360\u7528\u540c\u6837\u7684\u663e\u5b58\u3002<\/p>\n\n\n\n<p><strong>\u6ce8\u610fdropout\u548cbatch normalization\u5c42\u4e0d\u80fd\u7528checkpoint<\/strong><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u8bad\u7ec3\u6a21\u578b\uff0c\u51fa\u73b0\u4e86\u663e\u5b58\u4e0d\u8db3\u7684\u95ee\u9898\u65f6\uff0c\u53ef\u4ee5\u5229\u7528torch.utils.checkpoint\u6a21\u5757\u4e0b\u7684checkpo &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/8.154.33.202\/?p=529\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201ctorch.utils.checkpoint\u6a21\u5757\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-529","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/posts\/529"}],"collection":[{"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/8.154.33.202\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=529"}],"version-history":[{"count":1,"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/posts\/529\/revisions"}],"predecessor-version":[{"id":530,"href":"http:\/\/8.154.33.202\/index.php?rest_route=\/wp\/v2\/posts\/529\/revisions\/530"}],"wp:attachment":[{"href":"http:\/\/8.154.33.202\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/8.154.33.202\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=529"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/8.154.33.202\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}