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Add LoRA+ support

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rockerBOO
2024-04-01 15:38:26 -04:00
parent f9317052ed
commit f99fe281cb
4 changed files with 71 additions and 32 deletions
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45
networks/dylora.py
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@@ -406,27 +406,48 @@ class DyLoRANetwork(torch.nn.Module):
logger.info(f"weights are merged")
"""
def prepare_optimizer_params(self, text_encoder_lr, unet_lr, default_lr):
# 二つのText Encoderに別々の学習率を設定できるようにするといいかも
def prepare_optimizer_params(self, text_encoder_lr, unet_lr, default_lr, unet_lora_plus_ratio=None, text_encoder_lora_plus_ratio=None):
self.requires_grad_(True)
all_params = []
def enumerate_params(loras):
params = []
def assemble_params(loras, lr, lora_plus_ratio):
param_groups = {"lora": {}, "plus": {}}
for lora in loras:
params.extend(lora.parameters())
for name, param in lora.named_parameters():
if lora_plus_ratio is not None and "lora_up" in name:
param_groups["plus"][f"{lora.lora_name}.{name}"] = param
else:
param_groups["lora"][f"{lora.lora_name}.{name}"] = param
# assigned_param_groups = ""
# for group in param_groups:
# assigned_param_groups += f"{group}\n {list(param_groups[group].keys())}\n\n"
# logger.info(assigned_param_groups)
params = []
for key in param_groups.keys():
param_data = {"params": param_groups[key].values()}
if lr is not None:
if key == "plus":
param_data["lr"] = lr * lora_plus_ratio
else:
param_data["lr"] = lr
if ("lr" in param_data) and (param_data["lr"] == 0):
continue
params.append(param_data)
return params
if self.text_encoder_loras:
param_data = {"params": enumerate_params(self.text_encoder_loras)}
if text_encoder_lr is not None:
param_data["lr"] = text_encoder_lr
all_params.append(param_data)
params = assemble_params(self.text_encoder_loras, text_encoder_lr, text_encoder_lora_plus_ratio)
all_params.extend(params)
if self.unet_loras:
param_data = {"params": enumerate_params(self.unet_loras)}
if unet_lr is not None:
param_data["lr"] = unet_lr
all_params.append(param_data)
params = assemble_params(self.unet_loras, unet_lr, unet_lora_plus_ratio)
all_params.extend(params)
return all_params