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devices.py - Update MPS FP16 check to account for upcoming MacOS Sonoma

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float16 doesn't seem to work on MacOS Sonoma due to further changes with Metal. This'll default back to float32 for Sonoma users.
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gogurtenjoyer 2023-07-21 19:59:22 -04:00 committed by psychedelicious
parent d162b78767
commit ecabfc252b
1 changed files with 3 additions and 1 deletions
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4
invokeai/backend/util/devices.py
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@ -1,6 +1,8 @@
from __future__ import annotations
from contextlib import nullcontext
from packaging import version
import platform
import torch
from torch import autocast
@ -30,7 +32,7 @@ def choose_precision(device: torch.device) -> str:
device_name = torch.cuda.get_device_name(device)
if not ("GeForce GTX 1660" in device_name or "GeForce GTX 1650" in device_name):
return "float16"
elif device.type == "mps":
elif device.type == "mps" and version.parse(platform.mac_ver()[0]) < version.parse('14.0.0'):
return "float16"
return "float32"