https://yestino.com/zh-CN/entities/mps-improve-c63dd2与 MPS Improve 相关的全部事件zh-CNhttps://yestino.com/zh-CN/events/trunk-be439766659656c6b0cc12f98a6fbc80ecff9f41-mps-improve-e-c32613https://yestino.com/zh-CN/events/trunk-be439766659656c6b0cc12f98a6fbc80ecff9f41-mps-improve-e-c32613Mon, 28 Sep 2026 07:59:17 GMTUse expm1f for $|x| < 0.1$ instead of 1e-5 (introduced in #155611 without much explanation why this limits) to avoid cancellations in $exp(x) - 1$ . 来源：PyTorch Releases