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Free WebUI from its Prison
Congratulations WebUI. Say Hello to freedom.
This commit is contained in:
layerdiffusion
@@ -1,232 +1,232 @@
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import ldm.modules.encoders.modules
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import open_clip
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import torch
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import transformers.utils.hub
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from modules import shared
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class ReplaceHelper:
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def __init__(self):
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self.replaced = []
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def replace(self, obj, field, func):
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original = getattr(obj, field, None)
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if original is None:
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return None
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self.replaced.append((obj, field, original))
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setattr(obj, field, func)
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return original
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def restore(self):
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for obj, field, original in self.replaced:
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setattr(obj, field, original)
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self.replaced.clear()
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class DisableInitialization(ReplaceHelper):
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"""
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When an object of this class enters a `with` block, it starts:
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- preventing torch's layer initialization functions from working
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- changes CLIP and OpenCLIP to not download model weights
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- changes CLIP to not make requests to check if there is a new version of a file you already have
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When it leaves the block, it reverts everything to how it was before.
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Use it like this:
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```
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with DisableInitialization():
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do_things()
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```
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"""
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def __init__(self, disable_clip=True):
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super().__init__()
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self.disable_clip = disable_clip
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def replace(self, obj, field, func):
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original = getattr(obj, field, None)
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if original is None:
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return None
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self.replaced.append((obj, field, original))
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setattr(obj, field, func)
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return original
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def __enter__(self):
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def do_nothing(*args, **kwargs):
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pass
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def create_model_and_transforms_without_pretrained(*args, pretrained=None, **kwargs):
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return self.create_model_and_transforms(*args, pretrained=None, **kwargs)
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def CLIPTextModel_from_pretrained(pretrained_model_name_or_path, *model_args, **kwargs):
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res = self.CLIPTextModel_from_pretrained(None, *model_args, config=pretrained_model_name_or_path, state_dict={}, **kwargs)
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res.name_or_path = pretrained_model_name_or_path
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return res
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def transformers_modeling_utils_load_pretrained_model(*args, **kwargs):
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args = args[0:3] + ('/', ) + args[4:] # resolved_archive_file; must set it to something to prevent what seems to be a bug
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return self.transformers_modeling_utils_load_pretrained_model(*args, **kwargs)
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def transformers_utils_hub_get_file_from_cache(original, url, *args, **kwargs):
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# this file is always 404, prevent making request
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if url == 'https://huggingface.co/openai/clip-vit-large-patch14/resolve/main/added_tokens.json' or url == 'openai/clip-vit-large-patch14' and args[0] == 'added_tokens.json':
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return None
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try:
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res = original(url, *args, local_files_only=True, **kwargs)
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if res is None:
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res = original(url, *args, local_files_only=False, **kwargs)
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return res
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except Exception:
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return original(url, *args, local_files_only=False, **kwargs)
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def transformers_utils_hub_get_from_cache(url, *args, local_files_only=False, **kwargs):
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return transformers_utils_hub_get_file_from_cache(self.transformers_utils_hub_get_from_cache, url, *args, **kwargs)
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def transformers_tokenization_utils_base_cached_file(url, *args, local_files_only=False, **kwargs):
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return transformers_utils_hub_get_file_from_cache(self.transformers_tokenization_utils_base_cached_file, url, *args, **kwargs)
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def transformers_configuration_utils_cached_file(url, *args, local_files_only=False, **kwargs):
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return transformers_utils_hub_get_file_from_cache(self.transformers_configuration_utils_cached_file, url, *args, **kwargs)
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self.replace(torch.nn.init, 'kaiming_uniform_', do_nothing)
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self.replace(torch.nn.init, '_no_grad_normal_', do_nothing)
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self.replace(torch.nn.init, '_no_grad_uniform_', do_nothing)
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if self.disable_clip:
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self.create_model_and_transforms = self.replace(open_clip, 'create_model_and_transforms', create_model_and_transforms_without_pretrained)
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self.CLIPTextModel_from_pretrained = self.replace(ldm.modules.encoders.modules.CLIPTextModel, 'from_pretrained', CLIPTextModel_from_pretrained)
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self.transformers_modeling_utils_load_pretrained_model = self.replace(transformers.modeling_utils.PreTrainedModel, '_load_pretrained_model', transformers_modeling_utils_load_pretrained_model)
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self.transformers_tokenization_utils_base_cached_file = self.replace(transformers.tokenization_utils_base, 'cached_file', transformers_tokenization_utils_base_cached_file)
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self.transformers_configuration_utils_cached_file = self.replace(transformers.configuration_utils, 'cached_file', transformers_configuration_utils_cached_file)
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self.transformers_utils_hub_get_from_cache = self.replace(transformers.utils.hub, 'get_from_cache', transformers_utils_hub_get_from_cache)
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def __exit__(self, exc_type, exc_val, exc_tb):
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self.restore()
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class InitializeOnMeta(ReplaceHelper):
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"""
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Context manager that causes all parameters for linear/conv2d/mha layers to be allocated on meta device,
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which results in those parameters having no values and taking no memory. model.to() will be broken and
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will need to be repaired by using LoadStateDictOnMeta below when loading params from state dict.
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Usage:
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```
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with sd_disable_initialization.InitializeOnMeta():
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sd_model = instantiate_from_config(sd_config.model)
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```
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"""
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def __enter__(self):
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if shared.cmd_opts.disable_model_loading_ram_optimization:
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return
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def set_device(x):
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x["device"] = "meta"
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return x
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linear_init = self.replace(torch.nn.Linear, '__init__', lambda *args, **kwargs: linear_init(*args, **set_device(kwargs)))
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conv2d_init = self.replace(torch.nn.Conv2d, '__init__', lambda *args, **kwargs: conv2d_init(*args, **set_device(kwargs)))
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mha_init = self.replace(torch.nn.MultiheadAttention, '__init__', lambda *args, **kwargs: mha_init(*args, **set_device(kwargs)))
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self.replace(torch.nn.Module, 'to', lambda *args, **kwargs: None)
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def __exit__(self, exc_type, exc_val, exc_tb):
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self.restore()
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class LoadStateDictOnMeta(ReplaceHelper):
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"""
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Context manager that allows to read parameters from state_dict into a model that has some of its parameters in the meta device.
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As those parameters are read from state_dict, they will be deleted from it, so by the end state_dict will be mostly empty, to save memory.
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Meant to be used together with InitializeOnMeta above.
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Usage:
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```
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with sd_disable_initialization.LoadStateDictOnMeta(state_dict):
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model.load_state_dict(state_dict, strict=False)
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```
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"""
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def __init__(self, state_dict, device, weight_dtype_conversion=None):
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super().__init__()
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self.state_dict = state_dict
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self.device = device
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self.weight_dtype_conversion = weight_dtype_conversion or {}
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self.default_dtype = self.weight_dtype_conversion.get('')
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def get_weight_dtype(self, key):
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key_first_term, _ = key.split('.', 1)
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return self.weight_dtype_conversion.get(key_first_term, self.default_dtype)
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def __enter__(self):
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if shared.cmd_opts.disable_model_loading_ram_optimization:
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return
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sd = self.state_dict
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device = self.device
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def load_from_state_dict(original, module, state_dict, prefix, *args, **kwargs):
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used_param_keys = []
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for name, param in module._parameters.items():
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if param is None:
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continue
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key = prefix + name
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sd_param = sd.pop(key, None)
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if sd_param is not None:
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state_dict[key] = sd_param.to(dtype=self.get_weight_dtype(key))
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used_param_keys.append(key)
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if param.is_meta:
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dtype = sd_param.dtype if sd_param is not None else param.dtype
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module._parameters[name] = torch.nn.parameter.Parameter(torch.zeros_like(param, device=device, dtype=dtype), requires_grad=param.requires_grad)
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for name in module._buffers:
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key = prefix + name
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sd_param = sd.pop(key, None)
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if sd_param is not None:
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state_dict[key] = sd_param
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used_param_keys.append(key)
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original(module, state_dict, prefix, *args, **kwargs)
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for key in used_param_keys:
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state_dict.pop(key, None)
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def load_state_dict(original, module, state_dict, strict=True):
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"""torch makes a lot of copies of the dictionary with weights, so just deleting entries from state_dict does not help
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because the same values are stored in multiple copies of the dict. The trick used here is to give torch a dict with
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all weights on meta device, i.e. deleted, and then it doesn't matter how many copies torch makes.
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In _load_from_state_dict, the correct weight will be obtained from a single dict with the right weights (sd).
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The dangerous thing about this is if _load_from_state_dict is not called, (if some exotic module overloads
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the function and does not call the original) the state dict will just fail to load because weights
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would be on the meta device.
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"""
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if state_dict is sd:
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state_dict = {k: v.to(device="meta", dtype=v.dtype) for k, v in state_dict.items()}
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original(module, state_dict, strict=strict)
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module_load_state_dict = self.replace(torch.nn.Module, 'load_state_dict', lambda *args, **kwargs: load_state_dict(module_load_state_dict, *args, **kwargs))
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module_load_from_state_dict = self.replace(torch.nn.Module, '_load_from_state_dict', lambda *args, **kwargs: load_from_state_dict(module_load_from_state_dict, *args, **kwargs))
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linear_load_from_state_dict = self.replace(torch.nn.Linear, '_load_from_state_dict', lambda *args, **kwargs: load_from_state_dict(linear_load_from_state_dict, *args, **kwargs))
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conv2d_load_from_state_dict = self.replace(torch.nn.Conv2d, '_load_from_state_dict', lambda *args, **kwargs: load_from_state_dict(conv2d_load_from_state_dict, *args, **kwargs))
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mha_load_from_state_dict = self.replace(torch.nn.MultiheadAttention, '_load_from_state_dict', lambda *args, **kwargs: load_from_state_dict(mha_load_from_state_dict, *args, **kwargs))
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layer_norm_load_from_state_dict = self.replace(torch.nn.LayerNorm, '_load_from_state_dict', lambda *args, **kwargs: load_from_state_dict(layer_norm_load_from_state_dict, *args, **kwargs))
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group_norm_load_from_state_dict = self.replace(torch.nn.GroupNorm, '_load_from_state_dict', lambda *args, **kwargs: load_from_state_dict(group_norm_load_from_state_dict, *args, **kwargs))
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def __exit__(self, exc_type, exc_val, exc_tb):
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self.restore()
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# import ldm.modules.encoders.modules
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# import open_clip
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# import torch
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# import transformers.utils.hub
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#
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# from modules import shared
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#
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#
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# class ReplaceHelper:
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# def __init__(self):
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# self.replaced = []
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#
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# def replace(self, obj, field, func):
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# original = getattr(obj, field, None)
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# if original is None:
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# return None
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#
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# self.replaced.append((obj, field, original))
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# setattr(obj, field, func)
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#
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# return original
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#
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# def restore(self):
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# for obj, field, original in self.replaced:
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# setattr(obj, field, original)
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#
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# self.replaced.clear()
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#
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#
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# class DisableInitialization(ReplaceHelper):
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# """
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# When an object of this class enters a `with` block, it starts:
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# - preventing torch's layer initialization functions from working
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# - changes CLIP and OpenCLIP to not download model weights
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# - changes CLIP to not make requests to check if there is a new version of a file you already have
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#
|
||||
# When it leaves the block, it reverts everything to how it was before.
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#
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||||
# Use it like this:
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||||
# ```
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# with DisableInitialization():
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# do_things()
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||||
# ```
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||||
# """
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||||
#
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# def __init__(self, disable_clip=True):
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# super().__init__()
|
||||
# self.disable_clip = disable_clip
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#
|
||||
# def replace(self, obj, field, func):
|
||||
# original = getattr(obj, field, None)
|
||||
# if original is None:
|
||||
# return None
|
||||
#
|
||||
# self.replaced.append((obj, field, original))
|
||||
# setattr(obj, field, func)
|
||||
#
|
||||
# return original
|
||||
#
|
||||
# def __enter__(self):
|
||||
# def do_nothing(*args, **kwargs):
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# pass
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||||
#
|
||||
# def create_model_and_transforms_without_pretrained(*args, pretrained=None, **kwargs):
|
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# return self.create_model_and_transforms(*args, pretrained=None, **kwargs)
|
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#
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# def CLIPTextModel_from_pretrained(pretrained_model_name_or_path, *model_args, **kwargs):
|
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# res = self.CLIPTextModel_from_pretrained(None, *model_args, config=pretrained_model_name_or_path, state_dict={}, **kwargs)
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||||
# res.name_or_path = pretrained_model_name_or_path
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||||
# return res
|
||||
#
|
||||
# def transformers_modeling_utils_load_pretrained_model(*args, **kwargs):
|
||||
# args = args[0:3] + ('/', ) + args[4:] # resolved_archive_file; must set it to something to prevent what seems to be a bug
|
||||
# return self.transformers_modeling_utils_load_pretrained_model(*args, **kwargs)
|
||||
#
|
||||
# def transformers_utils_hub_get_file_from_cache(original, url, *args, **kwargs):
|
||||
#
|
||||
# # this file is always 404, prevent making request
|
||||
# if url == 'https://huggingface.co/openai/clip-vit-large-patch14/resolve/main/added_tokens.json' or url == 'openai/clip-vit-large-patch14' and args[0] == 'added_tokens.json':
|
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# return None
|
||||
#
|
||||
# try:
|
||||
# res = original(url, *args, local_files_only=True, **kwargs)
|
||||
# if res is None:
|
||||
# res = original(url, *args, local_files_only=False, **kwargs)
|
||||
# return res
|
||||
# except Exception:
|
||||
# return original(url, *args, local_files_only=False, **kwargs)
|
||||
#
|
||||
# def transformers_utils_hub_get_from_cache(url, *args, local_files_only=False, **kwargs):
|
||||
# return transformers_utils_hub_get_file_from_cache(self.transformers_utils_hub_get_from_cache, url, *args, **kwargs)
|
||||
#
|
||||
# def transformers_tokenization_utils_base_cached_file(url, *args, local_files_only=False, **kwargs):
|
||||
# return transformers_utils_hub_get_file_from_cache(self.transformers_tokenization_utils_base_cached_file, url, *args, **kwargs)
|
||||
#
|
||||
# def transformers_configuration_utils_cached_file(url, *args, local_files_only=False, **kwargs):
|
||||
# return transformers_utils_hub_get_file_from_cache(self.transformers_configuration_utils_cached_file, url, *args, **kwargs)
|
||||
#
|
||||
# self.replace(torch.nn.init, 'kaiming_uniform_', do_nothing)
|
||||
# self.replace(torch.nn.init, '_no_grad_normal_', do_nothing)
|
||||
# self.replace(torch.nn.init, '_no_grad_uniform_', do_nothing)
|
||||
#
|
||||
# if self.disable_clip:
|
||||
# self.create_model_and_transforms = self.replace(open_clip, 'create_model_and_transforms', create_model_and_transforms_without_pretrained)
|
||||
# self.CLIPTextModel_from_pretrained = self.replace(ldm.modules.encoders.modules.CLIPTextModel, 'from_pretrained', CLIPTextModel_from_pretrained)
|
||||
# self.transformers_modeling_utils_load_pretrained_model = self.replace(transformers.modeling_utils.PreTrainedModel, '_load_pretrained_model', transformers_modeling_utils_load_pretrained_model)
|
||||
# self.transformers_tokenization_utils_base_cached_file = self.replace(transformers.tokenization_utils_base, 'cached_file', transformers_tokenization_utils_base_cached_file)
|
||||
# self.transformers_configuration_utils_cached_file = self.replace(transformers.configuration_utils, 'cached_file', transformers_configuration_utils_cached_file)
|
||||
# self.transformers_utils_hub_get_from_cache = self.replace(transformers.utils.hub, 'get_from_cache', transformers_utils_hub_get_from_cache)
|
||||
#
|
||||
# def __exit__(self, exc_type, exc_val, exc_tb):
|
||||
# self.restore()
|
||||
#
|
||||
#
|
||||
# class InitializeOnMeta(ReplaceHelper):
|
||||
# """
|
||||
# Context manager that causes all parameters for linear/conv2d/mha layers to be allocated on meta device,
|
||||
# which results in those parameters having no values and taking no memory. model.to() will be broken and
|
||||
# will need to be repaired by using LoadStateDictOnMeta below when loading params from state dict.
|
||||
#
|
||||
# Usage:
|
||||
# ```
|
||||
# with sd_disable_initialization.InitializeOnMeta():
|
||||
# sd_model = instantiate_from_config(sd_config.model)
|
||||
# ```
|
||||
# """
|
||||
#
|
||||
# def __enter__(self):
|
||||
# if shared.cmd_opts.disable_model_loading_ram_optimization:
|
||||
# return
|
||||
#
|
||||
# def set_device(x):
|
||||
# x["device"] = "meta"
|
||||
# return x
|
||||
#
|
||||
# linear_init = self.replace(torch.nn.Linear, '__init__', lambda *args, **kwargs: linear_init(*args, **set_device(kwargs)))
|
||||
# conv2d_init = self.replace(torch.nn.Conv2d, '__init__', lambda *args, **kwargs: conv2d_init(*args, **set_device(kwargs)))
|
||||
# mha_init = self.replace(torch.nn.MultiheadAttention, '__init__', lambda *args, **kwargs: mha_init(*args, **set_device(kwargs)))
|
||||
# self.replace(torch.nn.Module, 'to', lambda *args, **kwargs: None)
|
||||
#
|
||||
# def __exit__(self, exc_type, exc_val, exc_tb):
|
||||
# self.restore()
|
||||
#
|
||||
#
|
||||
# class LoadStateDictOnMeta(ReplaceHelper):
|
||||
# """
|
||||
# Context manager that allows to read parameters from state_dict into a model that has some of its parameters in the meta device.
|
||||
# As those parameters are read from state_dict, they will be deleted from it, so by the end state_dict will be mostly empty, to save memory.
|
||||
# Meant to be used together with InitializeOnMeta above.
|
||||
#
|
||||
# Usage:
|
||||
# ```
|
||||
# with sd_disable_initialization.LoadStateDictOnMeta(state_dict):
|
||||
# model.load_state_dict(state_dict, strict=False)
|
||||
# ```
|
||||
# """
|
||||
#
|
||||
# def __init__(self, state_dict, device, weight_dtype_conversion=None):
|
||||
# super().__init__()
|
||||
# self.state_dict = state_dict
|
||||
# self.device = device
|
||||
# self.weight_dtype_conversion = weight_dtype_conversion or {}
|
||||
# self.default_dtype = self.weight_dtype_conversion.get('')
|
||||
#
|
||||
# def get_weight_dtype(self, key):
|
||||
# key_first_term, _ = key.split('.', 1)
|
||||
# return self.weight_dtype_conversion.get(key_first_term, self.default_dtype)
|
||||
#
|
||||
# def __enter__(self):
|
||||
# if shared.cmd_opts.disable_model_loading_ram_optimization:
|
||||
# return
|
||||
#
|
||||
# sd = self.state_dict
|
||||
# device = self.device
|
||||
#
|
||||
# def load_from_state_dict(original, module, state_dict, prefix, *args, **kwargs):
|
||||
# used_param_keys = []
|
||||
#
|
||||
# for name, param in module._parameters.items():
|
||||
# if param is None:
|
||||
# continue
|
||||
#
|
||||
# key = prefix + name
|
||||
# sd_param = sd.pop(key, None)
|
||||
# if sd_param is not None:
|
||||
# state_dict[key] = sd_param.to(dtype=self.get_weight_dtype(key))
|
||||
# used_param_keys.append(key)
|
||||
#
|
||||
# if param.is_meta:
|
||||
# dtype = sd_param.dtype if sd_param is not None else param.dtype
|
||||
# module._parameters[name] = torch.nn.parameter.Parameter(torch.zeros_like(param, device=device, dtype=dtype), requires_grad=param.requires_grad)
|
||||
#
|
||||
# for name in module._buffers:
|
||||
# key = prefix + name
|
||||
#
|
||||
# sd_param = sd.pop(key, None)
|
||||
# if sd_param is not None:
|
||||
# state_dict[key] = sd_param
|
||||
# used_param_keys.append(key)
|
||||
#
|
||||
# original(module, state_dict, prefix, *args, **kwargs)
|
||||
#
|
||||
# for key in used_param_keys:
|
||||
# state_dict.pop(key, None)
|
||||
#
|
||||
# def load_state_dict(original, module, state_dict, strict=True):
|
||||
# """torch makes a lot of copies of the dictionary with weights, so just deleting entries from state_dict does not help
|
||||
# because the same values are stored in multiple copies of the dict. The trick used here is to give torch a dict with
|
||||
# all weights on meta device, i.e. deleted, and then it doesn't matter how many copies torch makes.
|
||||
#
|
||||
# In _load_from_state_dict, the correct weight will be obtained from a single dict with the right weights (sd).
|
||||
#
|
||||
# The dangerous thing about this is if _load_from_state_dict is not called, (if some exotic module overloads
|
||||
# the function and does not call the original) the state dict will just fail to load because weights
|
||||
# would be on the meta device.
|
||||
# """
|
||||
#
|
||||
# if state_dict is sd:
|
||||
# state_dict = {k: v.to(device="meta", dtype=v.dtype) for k, v in state_dict.items()}
|
||||
#
|
||||
# original(module, state_dict, strict=strict)
|
||||
#
|
||||
# module_load_state_dict = self.replace(torch.nn.Module, 'load_state_dict', lambda *args, **kwargs: load_state_dict(module_load_state_dict, *args, **kwargs))
|
||||
# module_load_from_state_dict = self.replace(torch.nn.Module, '_load_from_state_dict', lambda *args, **kwargs: load_from_state_dict(module_load_from_state_dict, *args, **kwargs))
|
||||
# linear_load_from_state_dict = self.replace(torch.nn.Linear, '_load_from_state_dict', lambda *args, **kwargs: load_from_state_dict(linear_load_from_state_dict, *args, **kwargs))
|
||||
# conv2d_load_from_state_dict = self.replace(torch.nn.Conv2d, '_load_from_state_dict', lambda *args, **kwargs: load_from_state_dict(conv2d_load_from_state_dict, *args, **kwargs))
|
||||
# mha_load_from_state_dict = self.replace(torch.nn.MultiheadAttention, '_load_from_state_dict', lambda *args, **kwargs: load_from_state_dict(mha_load_from_state_dict, *args, **kwargs))
|
||||
# layer_norm_load_from_state_dict = self.replace(torch.nn.LayerNorm, '_load_from_state_dict', lambda *args, **kwargs: load_from_state_dict(layer_norm_load_from_state_dict, *args, **kwargs))
|
||||
# group_norm_load_from_state_dict = self.replace(torch.nn.GroupNorm, '_load_from_state_dict', lambda *args, **kwargs: load_from_state_dict(group_norm_load_from_state_dict, *args, **kwargs))
|
||||
#
|
||||
# def __exit__(self, exc_type, exc_val, exc_tb):
|
||||
# self.restore()
|
||||
|
||||
Reference in New Issue
Block a user