From 41363e0d27bbaa0c84eebe3c7c8451075390ec4e Mon Sep 17 00:00:00 2001 From: dhwz Date: Fri, 16 Jun 2023 18:10:15 +0200 Subject: [PATCH] fix very slow loading speed of .safetensors files --- modules/sd_models.py | 7 +++++-- modules/shared.py | 1 + 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/modules/sd_models.py b/modules/sd_models.py index 918f6fd64..d9ac675b9 100644 --- a/modules/sd_models.py +++ b/modules/sd_models.py @@ -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) diff --git a/modules/shared.py b/modules/shared.py index 91c31d556..6b0ccac19 100644 --- a/modules/shared.py +++ b/modules/shared.py @@ -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."), "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)."), })) options_templates.update(options_section(('training', "Training"), {