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

enable cpu bnb distributed lora finetune #3159

Merged
merged 2 commits into from
Oct 15, 2024
Merged

enable cpu bnb distributed lora finetune #3159

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
b1c6711
enable cpu bnb distributed lora finetune
jiqing-feng Oct 12, 2024
1cd46d5
check bnb multi-backend
jiqing-feng Oct 15, 2024
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
5 changes: 4 additions & 1 deletion src/accelerate/accelerator.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1421,7 +1421,10 @@ def prepare_model(self, model: torch.nn.Module, device_placement: bool = None, e
current_device.index if isinstance(current_device, torch.device) else current_device
)

if torch.device(current_device_index) != self.device:
if self.device.type == "cpu" and is_bitsandbytes_multi_backend_available():
# bnb with multi-backend supports CPU which don't need to check index.
pass
elif torch.device(current_device_index) != self.device:
# if on the first device (GPU 0) we don't care
if (self.device.index is not None) or (current_device_index != 0):
raise ValueError(
Expand Down
Loading