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Merge pull request #4623 from fumiama/mps

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Fix wrong mps fallback
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AUTOMATIC1111 2022-11-12 09:51:33 +03:00 committed by GitHub
commit 526f0aa556
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1 changed files with 10 additions and 3 deletions
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13
modules/devices.py
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@ -3,8 +3,15 @@ import contextlib
import torch import torch
from modules import errors from modules import errors
# has_mps is only available in nightly pytorch (for now), `getattr` for compatibility # has_mps is only available in nightly pytorch (for now) and MasOS 12.3+.
has_mps = getattr(torch, 'has_mps', False) # check `getattr` and try it for compatibility
def has_mps() -> bool:
if not getattr(torch, 'has_mps', False): return False
try:
torch.zeros(1).to(torch.device("mps"))
return True
except Exception:
return False
cpu = torch.device("cpu") cpu = torch.device("cpu")
@ -25,7 +32,7 @@ def get_optimal_device():
else: else:
return torch.device("cuda") return torch.device("cuda")
if has_mps: if has_mps():
return torch.device("mps") return torch.device("mps")
return cpu return cpu