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

Improve greedy search memory usage #32895

Merged
merged 1 commit into from
Aug 22, 2024
+4 −0
Merged

Improve greedy search memory usage #32895

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
4 changes: 4 additions & 0 deletions src/transformers/generation/utils.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -617,6 +617,10 @@ def _expand_inputs_for_generation(
**model_kwargs,
) -> Tuple[torch.LongTensor, Dict[str, Any]]:
"""Expands tensors from [batch_size, ...] to [batch_size * expand_size, ...]"""
# Do not call torch.repeat_interleave if expand_size is 1 because it clones
# the input tensor and thus requires more memory although no change is applied
if expand_size == 1:
return input_ids, model_kwargs

def _expand_dict_for_generation(dict_to_expand):
for key in dict_to_expand:
Expand Down
Loading