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Enable AMD fp8 and pytorch attention on some GPUs. #8474

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Jun 9, 2025
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4 changes: 2 additions & 2 deletions comfy/model_management.py
Original file line number Diff line number Diff line change
Expand Up @@ -307,10 +307,10 @@ def is_amd():
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 ["gfx1100", "gfx1101", "gfx1151"]): # TODO: more arches
if any((a in arch) for a in ["gfx90a", "gfx942", "gfx1100", "gfx1101", "gfx1151"]): # TODO: more arches, TODO: gfx1201 and gfx950
ENABLE_PYTORCH_ATTENTION = True
if torch_version_numeric >= (2, 7) and rocm_version >= (6, 4):
if any((a in arch) for a in ["gfx1201"]): # TODO: more arches
if any((a in arch) for a in ["gfx1201", "gfx942", "gfx950"]): # TODO: more arches
SUPPORT_FP8_OPS = True

except:
Expand Down