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fix very slow loading speed of .safetensors files

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This commit is contained in:
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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3
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): def read_state_dict(checkpoint_file, print_global_state=False, map_location=None):
_, extension = os.path.splitext(checkpoint_file) _, extension = os.path.splitext(checkpoint_file)
if extension.lower() == ".safetensors": if extension.lower() == ".safetensors":
if not shared.opts.disable_mmap_load_safetensors:
device = map_location or shared.weight_load_location or devices.get_optimal_device_name() device = map_location or shared.weight_load_location or devices.get_optimal_device_name()
pl_sd = safetensors.torch.load_file(checkpoint_file, device=device) pl_sd = safetensors.torch.load_file(checkpoint_file, device=device)
else:
pl_sd = safetensors.torch.load(open(checkpoint_file, 'rb').read())
else: else:
pl_sd = torch.load(checkpoint_file, map_location=map_location or shared.weight_load_location) pl_sd = torch.load(checkpoint_file, map_location=map_location or shared.weight_load_location)

1
modules/shared.py
View File

@ -376,6 +376,7 @@ options_templates.update(options_section(('system', "System"), {
"multiple_tqdm": OptionInfo(True, "Add a second progress bar to the console that shows progress for an entire job."), "multiple_tqdm": OptionInfo(True, "Add a second progress bar to the console that shows progress for an entire job."),
"print_hypernet_extra": OptionInfo(False, "Print extra hypernetwork information to console."), "print_hypernet_extra": OptionInfo(False, "Print extra hypernetwork information to console."),
"list_hidden_files": OptionInfo(True, "Load models/files in hidden directories").info("directory is hidden if its name starts with \".\""), "list_hidden_files": OptionInfo(True, "Load models/files in hidden directories").info("directory is hidden if its name starts with \".\""),
"disable_mmap_load_safetensors": OptionInfo(False, "Disable memmapping for loading .safetensors files (fixes very slow loading speed in some cases)."),
})) }))
options_templates.update(options_section(('training', "Training"), { options_templates.update(options_section(('training', "Training"), {