From d3504e1778c0cc8992b04fe30dc0fae239c13713 Mon Sep 17 00:00:00 2001 From: comfyanonymous <121283862+comfyanonymous@users.noreply.github.com> Date: Wed, 23 Jul 2025 16:21:29 -0700 Subject: [PATCH] Enable pytorch attention by default for gfx1201 on torch 2.8 (#9029) --- comfy/model_management.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/comfy/model_management.py b/comfy/model_management.py index 42873d09b..e8b9b5c81 100644 --- a/comfy/model_management.py +++ b/comfy/model_management.py @@ -308,7 +308,10 @@ try: logging.info("ROCm version: {}".format(rocm_version)) if args.use_split_cross_attention == False and args.use_quad_cross_attention == False: if torch_version_numeric >= (2, 7): # works on 2.6 but doesn't actually seem to improve much - if any((a in arch) for a in ["gfx90a", "gfx942", "gfx1100", "gfx1101", "gfx1151"]): # TODO: more arches, TODO: gfx1201 and gfx950 + if any((a in arch) for a in ["gfx90a", "gfx942", "gfx1100", "gfx1101", "gfx1151"]): # TODO: more arches, TODO: gfx950 + ENABLE_PYTORCH_ATTENTION = True + if torch_version_numeric >= (2, 8): + if any((a in arch) for a in ["gfx1201"]): ENABLE_PYTORCH_ATTENTION = True if torch_version_numeric >= (2, 7) and rocm_version >= (6, 4): if any((a in arch) for a in ["gfx1201", "gfx942", "gfx950"]): # TODO: more arches