{"id":83431,"date":"2026-07-25T22:24:29","date_gmt":"2026-07-25T14:24:29","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/83431.html"},"modified":"2026-07-25T22:24:29","modified_gmt":"2026-07-25T14:24:29","slug":"flashattention-3%ef%bc%88hopper%ef%bc%89%e4%bb%a3%e7%a0%81%e9%98%85%e8%af%bb%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/83431.html","title":{"rendered":"FlashAttention-3\uff08Hopper\uff09\u4ee3\u7801\u9605\u8bfb\u7b14\u8bb0"},"content":{"rendered":"<h2>FlashAttention-3\uff08Hopper\uff09\u4ee3\u7801\u9605\u8bfb\u7b14\u8bb0<\/h2>\n<p>\u5bf9\u5e94\u76ee\u5f55\uff1a\/root\/.cuda\/flash-attention\/hopper\/ \u672c\u6587\u6574\u7406\u81ea\u770b FA3 forward \u8def\u5f84\u65f6\u7684\u95ee\u7b54\uff0c\u6309\u300c\u627e\u6587\u4ef6 \u2192 \u8c03\u7528\u94fe \u2192 \u58f3 \u2192 \u4e3b\u5faa\u73af \u2192 \u5173\u952e\u673a\u5236 \u2192 CuTe\/CUTLASS\u300d\u7ec4\u7ec7\uff0c\u4fbf\u4e8e\u590d\u4e60\u3002<\/p>\n<hr>\n<h3>1. \u4ee3\u7801\u5728\u54ea\u3001\u6838\u5fc3\u6587\u4ef6\u662f\u8c01<\/h3>\n<table>\n<tr>\n   \u8def\u5f84<br \/>\n   \u7248\u672c \/ \u89d2\u8272<br \/>\n  <\/tr>\n<tbody>\n<tr>\n<td>csrc\/flash_attn\/\u3001flash_attn\/<\/td>\n<td>FA1 \/ FA2<\/td>\n<\/tr>\n<tr>\n<td>hopper\/<\/td>\n<td>FA3\uff08Hopper \/ H100\uff09<\/td>\n<\/tr>\n<tr>\n<td>flash_attn\/cute\/<\/td>\n<td>FA4\uff08CuTeDSL\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>README\uff1acd hopper &amp;&amp; python setup.py install\uff0cPython \u5305 flash_attn_3\u3002<\/p>\n<h4><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>FlashAttention-3\uff08Hopper\uff09\u4ee3\u7801\u9605\u8bfb\u7b14\u8bb0<br \/>\n\u5bf9\u5e94\u76ee\u5f55\uff1a\/root\/.cuda\/flash-attention\/hopper\/ \u672c\u6587\u6574\u7406\u81ea\u770b FA3 forward \u8def\u5f84\u65f6\u7684\u95ee\u7b54\uff0c\u6309\u300c\u627e\u6587\u4ef6 \u2192 \u8c03\u7528\u94fe \u2192 \u58f3 \u2192 \u4e3b\u5faa\u73af \u2192 \u5173\u952e\u673a\u5236 \u2192 CuTe\/CUTLASS\u300d\u7ec4\u7ec7\uff0c\u4fbf\u4e8e\u590d\u4e60\u3002 1. \u4ee3\u7801\u5728\u54ea\u3001\u6838\u5fc3\u6587\u4ef6\u662f\u8c01 \u8def\u5f84 \u7248\u672c \/ \u89d2\u8272 csrc\/flash_attn\/\u3001flash_attn\/ FA1 \/ FA2 hopper\/ FA3\uff08Hopper \/ H1<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9137,100,43,305],"topic":[],"class_list":["post-83431","post","type-post","status-publish","format-standard","hentry","category-server","tag-atomgit","tag-100","tag-43","tag-305"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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