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Move unet to device right after loading on highvram mode.

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comfyanonymous 2023-06-29 11:19:58 -04:00
parent e7ed507d3d
commit 62db11683b
2 changed files with 9 additions and 4 deletions
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12
comfy/model_management.py
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@ -216,6 +216,11 @@ current_gpu_controlnets = []
model_accelerated = False
def unet_offload_device():
if vram_state == VRAMState.HIGH_VRAM or vram_state == VRAMState.SHARED:
return get_torch_device()
else:
return torch.device("cpu")
def unload_model():
global current_loaded_model
@ -228,10 +233,9 @@ def unload_model():
accelerate.hooks.remove_hook_from_submodules(current_loaded_model.model)
model_accelerated = False
#never unload models from GPU on high vram
if vram_state != VRAMState.HIGH_VRAM:
current_loaded_model.model.cpu()
current_loaded_model.model_patches_to("cpu")
current_loaded_model.model.to(unet_offload_device())
current_loaded_model.model_patches_to(unet_offload_device())
current_loaded_model.unpatch_model()
current_loaded_model = None

1
comfy/sd.py
View File

@ -1142,6 +1142,7 @@ def load_checkpoint_guess_config(ckpt_path, output_vae=True, output_clip=True, o
clipvision = clip_vision.load_clipvision_from_sd(sd, model_config.clip_vision_prefix, True)
model = model_config.get_model(sd)
model = model.to(model_management.unet_offload_device())
model.load_model_weights(sd, "model.diffusion_model.")
if output_vae: