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fix very slow loading speed of .safetensors files

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dhwz
2023-06-16 18:10:15 +02:00
parent 59419bd64a
commit 41363e0d27
2 changed files with 6 additions and 2 deletions
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7
modules/sd_models.py
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@@ -247,8 +247,11 @@ def read_metadata_from_safetensors(filename):
def read_state_dict(checkpoint_file, print_global_state=False, map_location=None):
_, extension = os.path.splitext(checkpoint_file)
if extension.lower() == ".safetensors":
device = map_location or shared.weight_load_location or devices.get_optimal_device_name()
pl_sd = safetensors.torch.load_file(checkpoint_file, device=device)
if not shared.opts.disable_mmap_load_safetensors:
device = map_location or shared.weight_load_location or devices.get_optimal_device_name()
pl_sd = safetensors.torch.load_file(checkpoint_file, device=device)
else:
pl_sd = safetensors.torch.load(open(checkpoint_file, 'rb').read())
else:
pl_sd = torch.load(checkpoint_file, map_location=map_location or shared.weight_load_location)