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Disable bfloat16 on older mac.

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comfyanonymous 2024-12-25 05:18:50 -05:00
parent 0229228f3f
commit b486885e08
1 changed files with 13 additions and 6 deletions
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19
comfy/model_management.py
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@ -886,14 +886,19 @@ def pytorch_attention_flash_attention():
return True return True
return False return False
def mac_version():
try:
return tuple(int(n) for n in platform.mac_ver()[0].split("."))
except:
return None
def force_upcast_attention_dtype(): def force_upcast_attention_dtype():
upcast = args.force_upcast_attention upcast = args.force_upcast_attention
try:
macos_version = tuple(int(n) for n in platform.mac_ver()[0].split(".")) macos_version = mac_version()
if (14, 5) <= macos_version <= (15, 2): # black image bug on recent versions of macOS if macos_version is not None and ((14, 5) <= macos_version <= (15, 2)): # black image bug on recent versions of macOS
upcast = True upcast = True
except:
pass
if upcast: if upcast:
return torch.float32 return torch.float32
else: else:
@ -1034,6 +1039,8 @@ def should_use_bf16(device=None, model_params=0, prioritize_performance=True, ma
return False return False
if mps_mode(): if mps_mode():
if mac_version() < (14,):
return False
return True return True
if cpu_mode(): if cpu_mode():