Yestino - The Signal · FSDP2 Deferhttps://yestino.com/zh-CN/entities/fsdp2-defer-e16a84与 FSDP2 Defer 相关的全部事件zh-CNviable/strict/1790930233: [FSDP2] Defer gradient upcasts to the reduce-scatter copy-in (#198668)https://yestino.com/zh-CN/events/viable-strict-1790930233-fsdp2-defer-gradient-upcasts-to-the-e112bdhttps://yestino.com/zh-CN/events/viable-strict-1790930233-fsdp2-defer-gradient-upcasts-to-the-e112bdFri, 02 Oct 2026 04:19:02 GMTAuthored with Claude Code. 来源：PyTorch Releases