Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Add PagedAdamW32bit #900

Merged
merged 1 commit into from
Oct 29, 2023
Merged

Add PagedAdamW32bit #900

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 16 additions & 2 deletions library/train_util.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2649,7 +2649,7 @@ 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, PagedAdamW8bit, Lion8bit, PagedLion8bit, Lion, SGDNesterov, SGDNesterov8bit, DAdaptation(DAdaptAdamPreprint), DAdaptAdaGrad, DAdaptAdam, DAdaptAdan, DAdaptAdanIP, DAdaptLion, DAdaptSGD, AdaFactor",
help="Optimizer to use / オプティマイザの種類: AdamW (default), AdamW8bit, PagedAdamW8bit, PagedAdamW32bit, Lion8bit, PagedLion8bit, Lion, SGDNesterov, SGDNesterov8bit, DAdaptation(DAdaptAdamPreprint), DAdaptAdaGrad, DAdaptAdam, DAdaptAdan, DAdaptAdanIP, DAdaptLion, DAdaptSGD, AdaFactor",
)

# backward compatibility
Expand Down Expand Up @@ -3359,7 +3359,7 @@ def task():


def get_optimizer(args, trainable_params):
# "Optimizer to use: AdamW, AdamW8bit, Lion, SGDNesterov, SGDNesterov8bit, PagedAdamW8bit, Lion8bit, PagedLion8bit, DAdaptation(DAdaptAdamPreprint), DAdaptAdaGrad, DAdaptAdam, DAdaptAdan, DAdaptAdanIP, DAdaptLion, DAdaptSGD, Adafactor"
# "Optimizer to use: AdamW, AdamW8bit, Lion, SGDNesterov, SGDNesterov8bit, PagedAdamW8bit, PagedAdamW32bit, Lion8bit, PagedLion8bit, DAdaptation(DAdaptAdamPreprint), DAdaptAdaGrad, DAdaptAdam, DAdaptAdan, DAdaptAdanIP, DAdaptLion, DAdaptSGD, Adafactor"

optimizer_type = args.optimizer_type
if args.use_8bit_adam:
Expand Down Expand Up @@ -3463,6 +3463,20 @@ def get_optimizer(args, trainable_params):

optimizer = optimizer_class(trainable_params, lr=lr, **optimizer_kwargs)

elif optimizer_type == "PagedAdamW32bit".lower():
print(f"use 32-bit PagedAdamW optimizer | {optimizer_kwargs}")
try:
import bitsandbytes as bnb
except ImportError:
raise ImportError("No bitsandbytes / bitsandbytesがインストールされていないようです")
try:
optimizer_class = bnb.optim.PagedAdamW32bit
except AttributeError:
raise AttributeError(
"No PagedAdamW32bit. The version of bitsandbytes installed seems to be old. Please install 0.39.0 or later. / PagedAdamW32bitが定義されていません。インストールされているbitsandbytesのバージョンが古いようです。0.39.0以上をインストールしてください"
)
optimizer = optimizer_class(trainable_params, lr=lr, **optimizer_kwargs)

elif optimizer_type == "SGDNesterov".lower():
print(f"use SGD with Nesterov optimizer | {optimizer_kwargs}")
if "momentum" not in optimizer_kwargs:
Expand Down