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send tensors to the correct device when loading from safetensors file with memmap disabled for #11260

This commit is contained in:
AUTOMATIC 2023-06-27 09:19:04 +03:00
parent 14196548c5
commit 24129368f1
2 changed files with 4 additions and 2 deletions
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4
modules/sd_models.py
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@ -246,11 +246,13 @@ 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":
if not shared.opts.disable_mmap_load_safetensors:
device = map_location or shared.weight_load_location or devices.get_optimal_device_name()
if not shared.opts.disable_mmap_load_safetensors:
pl_sd = safetensors.torch.load_file(checkpoint_file, device=device)
else:
pl_sd = safetensors.torch.load(open(checkpoint_file, 'rb').read())
pl_sd = {k: v.to(device) for k, v in pl_sd.items()}
else:
pl_sd = torch.load(checkpoint_file, map_location=map_location or shared.weight_load_location)

2
modules/shared.py
View File

@ -376,7 +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."),
"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 \".\""),
"disable_mmap_load_safetensors": OptionInfo(False, "Disable memmapping for loading .safetensors files (fixes very slow loading speed in some cases)."),
"disable_mmap_load_safetensors": OptionInfo(False, "Disable memmapping for loading .safetensors files.").info("fixes very slow loading speed in some cases"),
}))
options_templates.update(options_section(('training', "Training"), {