Skip to content

[Fix] Add --offload-folder for merge and chat #140

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

Merged
pppppM merged 1 commit into from
Sep 27, 2023
Merged

[Fix] Add --offload-folder for merge and chat #140

Show file tree
Hide file tree
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
9 changes: 8 additions & 1 deletion xtuner/tools/chat.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,11 @@ def parse_args():
'--no-streamer', action='store_true', help='Whether to with streamer')
parser.add_argument('--command-stop-word', default=None, help='Stop key')
parser.add_argument('--answer-stop-word', default=None, help='Stop key')
parser.add_argument(
'--offload-folder',
default=None,
help='The folder in which to offload the model weights (or where the '
'model weights are already offloaded).')
parser.add_argument(
'--max-new-tokens',
type=int,
Expand Down Expand Up @@ -138,11 +143,13 @@ def main():
quantization_config=quantization_config,
load_in_8bit=load_in_8bit,
device_map='auto',
offload_folder=args.offload_folder,
trust_remote_code=True)
tokenizer = AutoTokenizer.from_pretrained(
args.model_name_or_path, trust_remote_code=True)
if args.adapter is not None:
model = PeftModel.from_pretrained(model, args.adapter)
model = PeftModel.from_pretrained(
model, args.adapter, offload_folder=args.offload_folder)
print(f'Load adapter from {args.adapter}')
model.eval()

Expand Down
7 changes: 7 additions & 0 deletions xtuner/tools/model_converters/merge.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,11 @@ def parse_args():
default='2GB',
help='Only applicable for LLM. The maximum size for '
'each sharded checkpoint.')
parser.add_argument(
'--offload-folder',
default=None,
help='The folder in which to offload the model weights (or where '
'the model weights are already offloaded).')
args = parser.parse_args()
return args

Expand All @@ -30,6 +35,7 @@ def main():
torch_dtype=torch.float16,
low_cpu_mem_usage=True,
device_map='auto',
offload_folder=args.offload_folder,
trust_remote_code=True)
tokenizer = AutoTokenizer.from_pretrained(
args.model_name_or_path, trust_remote_code=True)
Expand All @@ -38,6 +44,7 @@ def main():
args.adapter_name_or_path,
device_map='auto',
torch_dtype=torch.float16,
offload_folder=args.offload_folder,
is_trainable=False)
model_merged = model_unmerged.merge_and_unload()
print(f'Saving to {args.save_dir}...')
Expand Down