https://yestino.com/zh-CN/entities/fsdp2-join-280f5d与 FSDP2 Join 相关的全部事件zh-CNhttps://yestino.com/zh-CN/events/trunk-6fb6ef21931fa1be2b171f5f5542730663afcf86-fsdp2-join-pe-30ababhttps://yestino.com/zh-CN/events/trunk-6fb6ef21931fa1be2b171f5f5542730663afcf86-fsdp2-join-pe-30ababMon, 05 Oct 2026 02:35:46 GMTFSDPParamGroup.finalize_backward may clean up an all-gather launched by backward prefetch but never consumed. 来源：PyTorch Releases