mirror of
https://github.com/comfyanonymous/ComfyUI.git
synced 2025-01-25 15:55:18 +00:00
Code cleanups.
This commit is contained in:
comfyanonymous
parent
c54d3ed5e6
commit
7c6bb84016
@ -562,7 +562,7 @@ def cleanup_models(keep_clone_weights_loaded=False):
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to_delete = []
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for i in range(len(current_loaded_models)):
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#TODO: very fragile function needs improvement
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num_refs = sys.getrefcount(current_loaded_models[i].model) - current_loaded_models[i].model.lowvram_patch_counter()
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num_refs = sys.getrefcount(current_loaded_models[i].model)
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if num_refs <= 2:
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if not keep_clone_weights_loaded:
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to_delete = [i] + to_delete
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@ -91,13 +91,180 @@ def wipe_lowvram_weight(m):
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m.weight_function = None
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m.bias_function = None
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class LowVramPatch:
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def __init__(self, key, model_patcher):
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self.key = key
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self.model_patcher = model_patcher
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def __call__(self, weight):
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return self.model_patcher.calculate_weight(self.model_patcher.patches[self.key], weight, self.key, intermediate_dtype=weight.dtype)
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def calculate_weight(patches, weight, key, intermediate_dtype=torch.float32):
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for p in patches:
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strength = p[0]
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v = p[1]
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strength_model = p[2]
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offset = p[3]
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function = p[4]
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if function is None:
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function = lambda a: a
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old_weight = None
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if offset is not None:
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old_weight = weight
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weight = weight.narrow(offset[0], offset[1], offset[2])
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if strength_model != 1.0:
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weight *= strength_model
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if isinstance(v, list):
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v = (calculate_weight(v[1:], v[0].clone(), key, intermediate_dtype=intermediate_dtype), )
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if len(v) == 1:
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patch_type = "diff"
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elif len(v) == 2:
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patch_type = v[0]
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v = v[1]
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if patch_type == "diff":
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w1 = v[0]
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if strength != 0.0:
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if w1.shape != weight.shape:
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logging.warning("WARNING SHAPE MISMATCH {} WEIGHT NOT MERGED {} != {}".format(key, w1.shape, weight.shape))
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else:
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weight += function(strength * comfy.model_management.cast_to_device(w1, weight.device, weight.dtype))
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elif patch_type == "lora": #lora/locon
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mat1 = comfy.model_management.cast_to_device(v[0], weight.device, intermediate_dtype)
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mat2 = comfy.model_management.cast_to_device(v[1], weight.device, intermediate_dtype)
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dora_scale = v[4]
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if v[2] is not None:
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alpha = v[2] / mat2.shape[0]
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else:
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alpha = 1.0
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if v[3] is not None:
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#locon mid weights, hopefully the math is fine because I didn't properly test it
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mat3 = comfy.model_management.cast_to_device(v[3], weight.device, intermediate_dtype)
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final_shape = [mat2.shape[1], mat2.shape[0], mat3.shape[2], mat3.shape[3]]
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mat2 = torch.mm(mat2.transpose(0, 1).flatten(start_dim=1), mat3.transpose(0, 1).flatten(start_dim=1)).reshape(final_shape).transpose(0, 1)
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try:
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lora_diff = torch.mm(mat1.flatten(start_dim=1), mat2.flatten(start_dim=1)).reshape(weight.shape)
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if dora_scale is not None:
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weight = function(weight_decompose(dora_scale, weight, lora_diff, alpha, strength, intermediate_dtype))
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else:
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weight += function(((strength * alpha) * lora_diff).type(weight.dtype))
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except Exception as e:
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logging.error("ERROR {} {} {}".format(patch_type, key, e))
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elif patch_type == "lokr":
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w1 = v[0]
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w2 = v[1]
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w1_a = v[3]
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w1_b = v[4]
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w2_a = v[5]
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w2_b = v[6]
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t2 = v[7]
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dora_scale = v[8]
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dim = None
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if w1 is None:
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dim = w1_b.shape[0]
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w1 = torch.mm(comfy.model_management.cast_to_device(w1_a, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w1_b, weight.device, intermediate_dtype))
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else:
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w1 = comfy.model_management.cast_to_device(w1, weight.device, intermediate_dtype)
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if w2 is None:
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dim = w2_b.shape[0]
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if t2 is None:
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w2 = torch.mm(comfy.model_management.cast_to_device(w2_a, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w2_b, weight.device, intermediate_dtype))
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else:
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w2 = torch.einsum('i j k l, j r, i p -> p r k l',
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comfy.model_management.cast_to_device(t2, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w2_b, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w2_a, weight.device, intermediate_dtype))
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else:
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w2 = comfy.model_management.cast_to_device(w2, weight.device, intermediate_dtype)
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if len(w2.shape) == 4:
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w1 = w1.unsqueeze(2).unsqueeze(2)
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if v[2] is not None and dim is not None:
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alpha = v[2] / dim
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else:
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alpha = 1.0
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try:
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lora_diff = torch.kron(w1, w2).reshape(weight.shape)
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if dora_scale is not None:
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weight = function(weight_decompose(dora_scale, weight, lora_diff, alpha, strength, intermediate_dtype))
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else:
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weight += function(((strength * alpha) * lora_diff).type(weight.dtype))
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except Exception as e:
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logging.error("ERROR {} {} {}".format(patch_type, key, e))
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elif patch_type == "loha":
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w1a = v[0]
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w1b = v[1]
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if v[2] is not None:
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alpha = v[2] / w1b.shape[0]
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else:
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alpha = 1.0
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w2a = v[3]
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w2b = v[4]
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dora_scale = v[7]
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if v[5] is not None: #cp decomposition
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t1 = v[5]
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t2 = v[6]
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m1 = torch.einsum('i j k l, j r, i p -> p r k l',
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comfy.model_management.cast_to_device(t1, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w1b, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w1a, weight.device, intermediate_dtype))
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m2 = torch.einsum('i j k l, j r, i p -> p r k l',
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comfy.model_management.cast_to_device(t2, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w2b, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w2a, weight.device, intermediate_dtype))
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else:
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m1 = torch.mm(comfy.model_management.cast_to_device(w1a, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w1b, weight.device, intermediate_dtype))
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m2 = torch.mm(comfy.model_management.cast_to_device(w2a, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w2b, weight.device, intermediate_dtype))
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try:
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lora_diff = (m1 * m2).reshape(weight.shape)
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if dora_scale is not None:
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weight = function(weight_decompose(dora_scale, weight, lora_diff, alpha, strength, intermediate_dtype))
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else:
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weight += function(((strength * alpha) * lora_diff).type(weight.dtype))
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except Exception as e:
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logging.error("ERROR {} {} {}".format(patch_type, key, e))
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elif patch_type == "glora":
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if v[4] is not None:
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alpha = v[4] / v[0].shape[0]
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else:
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alpha = 1.0
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dora_scale = v[5]
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a1 = comfy.model_management.cast_to_device(v[0].flatten(start_dim=1), weight.device, intermediate_dtype)
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a2 = comfy.model_management.cast_to_device(v[1].flatten(start_dim=1), weight.device, intermediate_dtype)
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b1 = comfy.model_management.cast_to_device(v[2].flatten(start_dim=1), weight.device, intermediate_dtype)
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b2 = comfy.model_management.cast_to_device(v[3].flatten(start_dim=1), weight.device, intermediate_dtype)
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try:
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lora_diff = (torch.mm(b2, b1) + torch.mm(torch.mm(weight.flatten(start_dim=1), a2), a1)).reshape(weight.shape)
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if dora_scale is not None:
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weight = function(weight_decompose(dora_scale, weight, lora_diff, alpha, strength, intermediate_dtype))
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else:
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weight += function(((strength * alpha) * lora_diff).type(weight.dtype))
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except Exception as e:
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logging.error("ERROR {} {} {}".format(patch_type, key, e))
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else:
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logging.warning("patch type not recognized {} {}".format(patch_type, key))
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if old_weight is not None:
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weight = old_weight
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return weight
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class LowVramPatch:
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def __init__(self, key, patches):
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self.key = key
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self.patches = patches
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def __call__(self, weight):
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return calculate_weight(self.patches[self.key], weight, self.key, intermediate_dtype=weight.dtype)
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class ModelPatcher:
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def __init__(self, model, load_device, offload_device, size=0, weight_inplace_update=False):
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@ -329,7 +496,7 @@ class ModelPatcher:
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temp_weight = comfy.model_management.cast_to_device(weight, device_to, torch.float32, copy=True)
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else:
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temp_weight = weight.to(torch.float32, copy=True)
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out_weight = self.calculate_weight(self.patches[key], temp_weight, key)
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out_weight = calculate_weight(self.patches[key], temp_weight, key)
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out_weight = comfy.float.stochastic_rounding(out_weight, weight.dtype)
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if inplace_update:
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comfy.utils.copy_to_param(self.model, key, out_weight)
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@ -360,13 +527,13 @@ class ModelPatcher:
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if force_patch_weights:
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self.patch_weight_to_device(weight_key)
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else:
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m.weight_function = LowVramPatch(weight_key, self)
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m.weight_function = LowVramPatch(weight_key, self.model_patcher.patches)
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patch_counter += 1
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if bias_key in self.patches:
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if force_patch_weights:
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self.patch_weight_to_device(bias_key)
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else:
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m.bias_function = LowVramPatch(bias_key, self)
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m.bias_function = LowVramPatch(bias_key, self.model_patcher.patches)
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patch_counter += 1
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m.prev_comfy_cast_weights = m.comfy_cast_weights
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@ -428,174 +595,6 @@ class ModelPatcher:
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self.load(device_to, lowvram_model_memory=lowvram_model_memory, force_patch_weights=force_patch_weights, full_load=full_load)
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return self.model
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def calculate_weight(self, patches, weight, key, intermediate_dtype=torch.float32):
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for p in patches:
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strength = p[0]
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v = p[1]
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strength_model = p[2]
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offset = p[3]
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function = p[4]
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if function is None:
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function = lambda a: a
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old_weight = None
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if offset is not None:
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old_weight = weight
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weight = weight.narrow(offset[0], offset[1], offset[2])
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if strength_model != 1.0:
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weight *= strength_model
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if isinstance(v, list):
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v = (self.calculate_weight(v[1:], v[0].clone(), key, intermediate_dtype=intermediate_dtype), )
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if len(v) == 1:
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patch_type = "diff"
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elif len(v) == 2:
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patch_type = v[0]
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v = v[1]
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if patch_type == "diff":
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w1 = v[0]
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if strength != 0.0:
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if w1.shape != weight.shape:
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logging.warning("WARNING SHAPE MISMATCH {} WEIGHT NOT MERGED {} != {}".format(key, w1.shape, weight.shape))
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else:
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weight += function(strength * comfy.model_management.cast_to_device(w1, weight.device, weight.dtype))
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elif patch_type == "lora": #lora/locon
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mat1 = comfy.model_management.cast_to_device(v[0], weight.device, intermediate_dtype)
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mat2 = comfy.model_management.cast_to_device(v[1], weight.device, intermediate_dtype)
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dora_scale = v[4]
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if v[2] is not None:
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alpha = v[2] / mat2.shape[0]
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else:
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alpha = 1.0
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if v[3] is not None:
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#locon mid weights, hopefully the math is fine because I didn't properly test it
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mat3 = comfy.model_management.cast_to_device(v[3], weight.device, intermediate_dtype)
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final_shape = [mat2.shape[1], mat2.shape[0], mat3.shape[2], mat3.shape[3]]
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mat2 = torch.mm(mat2.transpose(0, 1).flatten(start_dim=1), mat3.transpose(0, 1).flatten(start_dim=1)).reshape(final_shape).transpose(0, 1)
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try:
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lora_diff = torch.mm(mat1.flatten(start_dim=1), mat2.flatten(start_dim=1)).reshape(weight.shape)
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if dora_scale is not None:
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weight = function(weight_decompose(dora_scale, weight, lora_diff, alpha, strength, intermediate_dtype))
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else:
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weight += function(((strength * alpha) * lora_diff).type(weight.dtype))
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except Exception as e:
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logging.error("ERROR {} {} {}".format(patch_type, key, e))
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elif patch_type == "lokr":
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w1 = v[0]
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w2 = v[1]
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w1_a = v[3]
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w1_b = v[4]
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w2_a = v[5]
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w2_b = v[6]
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t2 = v[7]
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dora_scale = v[8]
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dim = None
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if w1 is None:
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dim = w1_b.shape[0]
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w1 = torch.mm(comfy.model_management.cast_to_device(w1_a, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w1_b, weight.device, intermediate_dtype))
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else:
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w1 = comfy.model_management.cast_to_device(w1, weight.device, intermediate_dtype)
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if w2 is None:
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dim = w2_b.shape[0]
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if t2 is None:
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w2 = torch.mm(comfy.model_management.cast_to_device(w2_a, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w2_b, weight.device, intermediate_dtype))
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else:
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w2 = torch.einsum('i j k l, j r, i p -> p r k l',
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comfy.model_management.cast_to_device(t2, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w2_b, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w2_a, weight.device, intermediate_dtype))
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else:
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w2 = comfy.model_management.cast_to_device(w2, weight.device, intermediate_dtype)
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if len(w2.shape) == 4:
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w1 = w1.unsqueeze(2).unsqueeze(2)
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if v[2] is not None and dim is not None:
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alpha = v[2] / dim
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else:
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alpha = 1.0
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try:
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lora_diff = torch.kron(w1, w2).reshape(weight.shape)
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if dora_scale is not None:
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weight = function(weight_decompose(dora_scale, weight, lora_diff, alpha, strength, intermediate_dtype))
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else:
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weight += function(((strength * alpha) * lora_diff).type(weight.dtype))
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except Exception as e:
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logging.error("ERROR {} {} {}".format(patch_type, key, e))
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elif patch_type == "loha":
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w1a = v[0]
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w1b = v[1]
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if v[2] is not None:
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alpha = v[2] / w1b.shape[0]
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else:
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alpha = 1.0
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w2a = v[3]
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w2b = v[4]
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dora_scale = v[7]
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if v[5] is not None: #cp decomposition
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t1 = v[5]
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t2 = v[6]
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m1 = torch.einsum('i j k l, j r, i p -> p r k l',
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comfy.model_management.cast_to_device(t1, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w1b, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w1a, weight.device, intermediate_dtype))
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m2 = torch.einsum('i j k l, j r, i p -> p r k l',
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comfy.model_management.cast_to_device(t2, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w2b, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w2a, weight.device, intermediate_dtype))
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else:
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m1 = torch.mm(comfy.model_management.cast_to_device(w1a, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w1b, weight.device, intermediate_dtype))
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m2 = torch.mm(comfy.model_management.cast_to_device(w2a, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w2b, weight.device, intermediate_dtype))
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try:
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lora_diff = (m1 * m2).reshape(weight.shape)
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if dora_scale is not None:
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weight = function(weight_decompose(dora_scale, weight, lora_diff, alpha, strength, intermediate_dtype))
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else:
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weight += function(((strength * alpha) * lora_diff).type(weight.dtype))
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except Exception as e:
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logging.error("ERROR {} {} {}".format(patch_type, key, e))
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elif patch_type == "glora":
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if v[4] is not None:
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alpha = v[4] / v[0].shape[0]
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else:
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alpha = 1.0
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dora_scale = v[5]
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a1 = comfy.model_management.cast_to_device(v[0].flatten(start_dim=1), weight.device, intermediate_dtype)
|
||||
a2 = comfy.model_management.cast_to_device(v[1].flatten(start_dim=1), weight.device, intermediate_dtype)
|
||||
b1 = comfy.model_management.cast_to_device(v[2].flatten(start_dim=1), weight.device, intermediate_dtype)
|
||||
b2 = comfy.model_management.cast_to_device(v[3].flatten(start_dim=1), weight.device, intermediate_dtype)
|
||||
|
||||
try:
|
||||
lora_diff = (torch.mm(b2, b1) + torch.mm(torch.mm(weight.flatten(start_dim=1), a2), a1)).reshape(weight.shape)
|
||||
if dora_scale is not None:
|
||||
weight = function(weight_decompose(dora_scale, weight, lora_diff, alpha, strength, intermediate_dtype))
|
||||
else:
|
||||
weight += function(((strength * alpha) * lora_diff).type(weight.dtype))
|
||||
except Exception as e:
|
||||
logging.error("ERROR {} {} {}".format(patch_type, key, e))
|
||||
else:
|
||||
logging.warning("patch type not recognized {} {}".format(patch_type, key))
|
||||
|
||||
if old_weight is not None:
|
||||
weight = old_weight
|
||||
|
||||
return weight
|
||||
|
||||
def unpatch_model(self, device_to=None, unpatch_weights=True):
|
||||
if unpatch_weights:
|
||||
if self.model.model_lowvram:
|
||||
@ -695,3 +694,7 @@ class ModelPatcher:
|
||||
|
||||
def current_loaded_device(self):
|
||||
return self.model.device
|
||||
|
||||
def calculate_weight(self, patches, weight, key, intermediate_dtype=torch.float32):
|
||||
print("WARNING the ModelPatcher.calculate_weight function is deprecated, please use: comfy.model_patcher.calculate_weight instead")
|
||||
return calculate_weight(patches, weight, key, intermediate_dtype=intermediate_dtype)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user