diff options
| -rw-r--r-- | modules/devices.py | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/modules/devices.py b/modules/devices.py index 7511e1dc..9a3d29d7 100644 --- a/modules/devices.py +++ b/modules/devices.py @@ -3,8 +3,15 @@ import contextlib import torch from modules import errors -# has_mps is only available in nightly pytorch (for now), `getattr` for compatibility -has_mps = getattr(torch, 'has_mps', False) +# has_mps is only available in nightly pytorch (for now) and MasOS 12.3+. +# check `getattr` and try it for compatibility +def has_mps() -> bool: + if 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") @@ -25,7 +32,7 @@ def get_optimal_device(): else: return torch.device("cuda") - if has_mps: + if has_mps(): return torch.device("mps") return cpu |