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from typing import Union
import torch
import copy
empty_preset = {
'vae': {
'training': False,
'device': 'cpu',
},
'unet': {
'training': False,
'requires_grad': False,
'device': 'cpu',
},
'text_encoder': {
'training': False,
'requires_grad': False,
'device': 'cpu',
},
'adapter': {
'training': False,
'requires_grad': False,
'device': 'cpu',
},
'refiner_unet': {
'training': False,
'requires_grad': False,
'device': 'cpu',
},
}
def get_train_sd_device_state_preset(
device: Union[str, torch.device],
train_unet: bool = False,
train_text_encoder: bool = False,
cached_latents: bool = False,
train_lora: bool = False,
train_adapter: bool = False,
train_embedding: bool = False,
train_refiner: bool = False,
):
preset = copy.deepcopy(empty_preset)
if not cached_latents:
preset['vae']['device'] = device
if train_unet:
preset['unet']['training'] = True
preset['unet']['requires_grad'] = True
preset['unet']['device'] = device
else:
preset['unet']['device'] = device
if train_text_encoder:
preset['text_encoder']['training'] = True
preset['text_encoder']['requires_grad'] = True
preset['text_encoder']['device'] = device
else:
preset['text_encoder']['device'] = device
if train_embedding:
preset['text_encoder']['training'] = True
preset['text_encoder']['requires_grad'] = True
preset['text_encoder']['training'] = True
preset['unet']['training'] = True
if train_refiner:
preset['refiner_unet']['training'] = True
preset['refiner_unet']['requires_grad'] = True
preset['refiner_unet']['device'] = device
# if not training unet, move that to cpu
if not train_unet:
preset['unet']['device'] = 'cpu'
if train_lora:
# preset['text_encoder']['requires_grad'] = False
preset['unet']['requires_grad'] = False
if train_refiner:
preset['refiner_unet']['requires_grad'] = False
if train_adapter:
preset['adapter']['requires_grad'] = True
preset['adapter']['training'] = True
preset['adapter']['device'] = device
preset['unet']['training'] = True
preset['unet']['requires_grad'] = False
preset['unet']['device'] = device
preset['text_encoder']['device'] = device
return preset
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