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authorAUTOMATIC <16777216c@gmail.com>2022-12-03 13:01:23 +0000
committerAUTOMATIC <16777216c@gmail.com>2022-12-03 13:01:23 +0000
commit46b0d230e7c13e247eabb22e1103ce512e7ed6b1 (patch)
tree5011296416ec851d748f2546ff9564f5d819098d /modules/devices.py
parent2651267e3af5886b8b6b1dc3023f2507f7079118 (diff)
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add comment for #4407 and remove seemingly unnecessary cudnn.enabled
Diffstat (limited to 'modules/devices.py')
-rw-r--r--modules/devices.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/modules/devices.py b/modules/devices.py
index 547ea46c..d6a76844 100644
--- a/modules/devices.py
+++ b/modules/devices.py
@@ -53,9 +53,11 @@ def torch_gc():
def enable_tf32():
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())]):
torch.backends.cudnn.benchmark = True
- torch.backends.cudnn.enabled = True
torch.backends.cuda.matmul.allow_tf32 = True
torch.backends.cudnn.allow_tf32 = True