Merge pull request #1 from comfyanonymous/master

Merge
This commit is contained in:
John Slegers 2024-08-13 06:36:12 +02:00 committed by GitHub
commit 0f874d99a6
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
6 changed files with 26 additions and 15 deletions

View File

@ -22,7 +22,7 @@ def load_diffusers(model_path, output_vae=True, output_clip=True, embedding_dire
if text_encoder2_path is not None:
text_encoder_paths.append(text_encoder2_path)
unet = comfy.sd.load_unet(unet_path)
unet = comfy.sd.load_diffusion_model(unet_path)
clip = None
if output_clip:

View File

@ -170,8 +170,8 @@ class DoubleStreamBlock(nn.Module):
txt_attn, img_attn = attn[:, : txt.shape[1]], attn[:, txt.shape[1] :]
# calculate the img bloks
img += img_mod1.gate * self.img_attn.proj(img_attn)
img += img_mod2.gate * self.img_mlp((1 + img_mod2.scale) * self.img_norm2(img) + img_mod2.shift)
img = img + img_mod1.gate * self.img_attn.proj(img_attn)
img = img + img_mod2.gate * self.img_mlp((1 + img_mod2.scale) * self.img_norm2(img) + img_mod2.shift)
# calculate the txt bloks
txt += txt_mod1.gate * self.txt_attn.proj(txt_attn)

View File

@ -434,7 +434,7 @@ def free_memory(memory_required, device, keep_loaded=[]):
soft_empty_cache()
return unloaded_models
def load_models_gpu(models, memory_required=0, force_patch_weights=False, minimum_memory_required=None):
def load_models_gpu(models, memory_required=0, force_patch_weights=False, minimum_memory_required=None, force_full_load=False):
global vram_state
inference_memory = minimum_inference_memory()
@ -513,7 +513,7 @@ def load_models_gpu(models, memory_required=0, force_patch_weights=False, minimu
else:
vram_set_state = vram_state
lowvram_model_memory = 0
if lowvram_available and (vram_set_state == VRAMState.LOW_VRAM or vram_set_state == VRAMState.NORMAL_VRAM):
if lowvram_available and (vram_set_state == VRAMState.LOW_VRAM or vram_set_state == VRAMState.NORMAL_VRAM) and not force_full_load:
model_size = loaded_model.model_memory_required(torch_dev)
current_free_mem = get_free_memory(torch_dev)
lowvram_model_memory = max(64 * (1024 * 1024), (current_free_mem - minimum_memory_required), min(current_free_mem * 0.4, current_free_mem - minimum_inference_memory()))

View File

@ -411,7 +411,7 @@ class ModelPatcher:
logging.debug("lowvram: loaded module regularly {} {}".format(n, m))
if lowvram_counter > 0:
logging.info("loaded partially {} {}".format(lowvram_model_memory / (1024 * 1024), patch_counter))
logging.info("loaded partially {} {} {}".format(lowvram_model_memory / (1024 * 1024), mem_counter / (1024 * 1024), patch_counter))
self.model.model_lowvram = True
else:
logging.info("loaded completely {} {}".format(lowvram_model_memory / (1024 * 1024), mem_counter / (1024 * 1024)))

View File

@ -86,7 +86,7 @@ class CLIP:
self.tokenizer = tokenizer(embedding_directory=embedding_directory, tokenizer_data=tokenizer_data)
self.patcher = comfy.model_patcher.ModelPatcher(self.cond_stage_model, load_device=load_device, offload_device=offload_device)
if params['device'] == load_device:
model_management.load_model_gpu(self.patcher)
model_management.load_models_gpu([self.patcher], force_full_load=True)
self.layer_idx = None
logging.debug("CLIP model load device: {}, offload device: {}, current: {}".format(load_device, offload_device, params['device']))
@ -585,12 +585,13 @@ def load_state_dict_guess_config(sd, output_vae=True, output_clip=True, output_c
model_patcher = comfy.model_patcher.ModelPatcher(model, load_device=load_device, offload_device=model_management.unet_offload_device())
if inital_load_device != torch.device("cpu"):
logging.info("loaded straight to GPU")
model_management.load_model_gpu(model_patcher)
model_management.load_models_gpu([model_patcher], force_full_load=True)
return (model_patcher, clip, vae, clipvision)
def load_unet_state_dict(sd, dtype=None): #load unet in diffusers or regular format
def load_diffusion_model_state_dict(sd, model_options={}): #load unet in diffusers or regular format
dtype = model_options.get("dtype", None)
#Allow loading unets from checkpoint files
diffusion_model_prefix = model_detection.unet_prefix_from_state_dict(sd)
@ -632,6 +633,7 @@ def load_unet_state_dict(sd, dtype=None): #load unet in diffusers or regular for
manual_cast_dtype = model_management.unet_manual_cast(unet_dtype, load_device, model_config.supported_inference_dtypes)
model_config.set_inference_dtype(unet_dtype, manual_cast_dtype)
model_config.custom_operations = model_options.get("custom_operations", None)
model = model_config.get_model(new_sd, "")
model = model.to(offload_device)
model.load_model_weights(new_sd, "")
@ -640,14 +642,23 @@ def load_unet_state_dict(sd, dtype=None): #load unet in diffusers or regular for
logging.info("left over keys in unet: {}".format(left_over))
return comfy.model_patcher.ModelPatcher(model, load_device=load_device, offload_device=offload_device)
def load_unet(unet_path, dtype=None):
def load_diffusion_model(unet_path, model_options={}):
sd = comfy.utils.load_torch_file(unet_path)
model = load_unet_state_dict(sd, dtype=dtype)
model = load_diffusion_model_state_dict(sd, model_options=model_options)
if model is None:
logging.error("ERROR UNSUPPORTED UNET {}".format(unet_path))
raise RuntimeError("ERROR: Could not detect model type of: {}".format(unet_path))
return model
def load_unet(unet_path, dtype=None):
print("WARNING: the load_unet function has been deprecated and will be removed please switch to: load_diffusion_model")
return load_diffusion_model(unet_path, model_options={"dtype": dtype})
def load_unet_state_dict(sd, dtype=None):
print("WARNING: the load_unet_state_dict function has been deprecated and will be removed please switch to: load_diffusion_model_state_dict")
return load_diffusion_model_state_dict(sd, model_options={"dtype": dtype})
def save_checkpoint(output_path, model, clip=None, vae=None, clip_vision=None, metadata=None, extra_keys={}):
clip_sd = None
load_models = [model]

View File

@ -826,14 +826,14 @@ class UNETLoader:
CATEGORY = "advanced/loaders"
def load_unet(self, unet_name, weight_dtype):
dtype = None
model_options = {}
if weight_dtype == "fp8_e4m3fn":
dtype = torch.float8_e4m3fn
model_options["dtype"] = torch.float8_e4m3fn
elif weight_dtype == "fp8_e5m2":
dtype = torch.float8_e5m2
model_options["dtype"] = torch.float8_e5m2
unet_path = folder_paths.get_full_path("unet", unet_name)
model = comfy.sd.load_unet(unet_path, dtype=dtype)
model = comfy.sd.load_diffusion_model(unet_path, model_options=model_options)
return (model,)
class CLIPLoader: