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Update train_util.py for DAdapt

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青龍聖者@bdsqlsz
2023-04-27 00:17:32 +08:00
committed by GitHub
parent f675b097b0
commit eccc07537b
1 changed files with 31 additions and 2 deletions
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33
library/train_util.py
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@@ -1883,7 +1883,7 @@ def add_optimizer_arguments(parser: argparse.ArgumentParser):
"--optimizer_type",
type=str,
default="",
help="Optimizer to use / オプティマイザの種類: AdamW (default), AdamW8bit, Lion, SGDNesterov, SGDNesterov8bit, DAdaptation, AdaFactor",
help="Optimizer to use / オプティマイザの種類: AdamW (default), AdamW8bit, Lion, SGDNesterov, SGDNesterov8bit, DAdaptation(DAdaptAdam), DAdaptAdaGrad, DAdaptAdan, DAdaptSGD, AdaFactor",
)
# backward compatibility
@@ -2448,7 +2448,7 @@ def resume_from_local_or_hf_if_specified(accelerator, args):
def get_optimizer(args, trainable_params):
# "Optimizer to use: AdamW, AdamW8bit, Lion, SGDNesterov, SGDNesterov8bit, DAdaptation, Adafactor"
# "Optimizer to use: AdamW, AdamW8bit, Lion, SGDNesterov, SGDNesterov8bit, DAdaptation, DAdaptation(DAdaptAdam), DAdaptAdaGrad, DAdaptAdan, DAdaptSGD, Adafactor"
optimizer_type = args.optimizer_type
if args.use_8bit_adam:
@@ -2563,6 +2563,35 @@ def get_optimizer(args, trainable_params):
optimizer_class = dadaptation.DAdaptAdam
optimizer = optimizer_class(trainable_params, lr=lr, **optimizer_kwargs)
elif optimizer_type == "DAdaptAdaGrad".lower():
try:
import dadaptation
except ImportError:
raise ImportError("No dadaptation / dadaptation がインストールされていないようです")
print(f"use D-Adaptation AdaGrad optimizer | {optimizer_kwargs}")
actual_lr = lr
lr_count = 1
if type(trainable_params) == list and type(trainable_params[0]) == dict:
lrs = set()
actual_lr = trainable_params[0].get("lr", actual_lr)
for group in trainable_params:
lrs.add(group.get("lr", actual_lr))
lr_count = len(lrs)
if actual_lr <= 0.1:
print(
f"learning rate is too low. If using dadaptation, set learning rate around 1.0 / 学習率が低すぎるようです。1.0前後の値を指定してください: lr={actual_lr}"
)
print("recommend option: lr=1.0 / 推奨は1.0です")
if lr_count > 1:
print(
f"when multiple learning rates are specified with dadaptation (e.g. for Text Encoder and U-Net), only the first one will take effect / D-Adaptationで複数の学習率を指定した場合（Text EncoderとU-Netなど）、最初の学習率のみが有効になります: lr={actual_lr}"
)
optimizer_class = dadaptation.DAdaptAdaGrad
optimizer = optimizer_class(trainable_params, lr=lr, **optimizer_kwargs)
elif optimizer_type == "DAdaptAdan".lower():
try: