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add comment for #4407 and remove seemingly unnecessary cudnn.enabled

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AUTOMATIC 2022-12-03 16:01:23 +03:00
parent 2651267e3a
commit 46b0d230e7
1 changed files with 3 additions and 1 deletions
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modules/devices.py
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@ -53,9 +53,11 @@ def torch_gc():
def enable_tf32(): def enable_tf32():
if torch.cuda.is_available(): if torch.cuda.is_available():
# enabling benchmark option seems to enable a range of cards to do fp16 when they otherwise can't
# see https://github.com/AUTOMATIC1111/stable-diffusion-webui/pull/4407
if any([torch.cuda.get_device_capability(devid) == (7, 5) for devid in range(0, torch.cuda.device_count())]): if any([torch.cuda.get_device_capability(devid) == (7, 5) for devid in range(0, torch.cuda.device_count())]):
torch.backends.cudnn.benchmark = True torch.backends.cudnn.benchmark = True
torch.backends.cudnn.enabled = True
torch.backends.cuda.matmul.allow_tf32 = True torch.backends.cuda.matmul.allow_tf32 = True
torch.backends.cudnn.allow_tf32 = True torch.backends.cudnn.allow_tf32 = True