https://yestino.com/zh-CN/entities/preserve-premulsum-176a60与 Preserve PreMulSum 相关的全部事件zh-CNhttps://yestino.com/zh-CN/events/trunk-3b49aa3272e03eee4fd070851532f714995e402b-distributed-p-c6d36chttps://yestino.com/zh-CN/events/trunk-3b49aa3272e03eee4fd070851532f714995e402b-distributed-p-c6d36cFri, 25 Sep 2026 06:04:23 GMTHuman note: on NCCL2 backend this works correctly, however legacy PGNccl produces silent wrong results, so we'd better fix it. 来源：PyTorch Releases