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Avoid unnecessary copy saving checkpoint to fsspec files #17590

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Avoid unnecessary copy saving checkpoint to fsspec files #17590

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07e1ded
Avoid unnecessary copy saving checkpoint to fsspec files
byronyi May 8, 2023
9e96b4e
Merge branch 'master' into patch-1
Borda May 9, 2023
74510a3
Merge branch 'master' into patch-1
byronyi May 11, 2023
10b0ad1
Merge branch 'master' into patch-1
Borda May 23, 2023
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5 changes: 1 addition & 4 deletions src/lightning/fabric/utilities/cloud_io.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,6 @@
# limitations under the License.
"""Utilities related to data saving/loading."""

import io
from pathlib import Path
from typing import Any, Dict, IO, Union

Expand Down Expand Up @@ -66,7 +65,5 @@ def _atomic_save(checkpoint: Dict[str, Any], filepath: Union[str, Path]) -> None
filepath: The path to which the checkpoint will be saved.
This points to the file that the checkpoint will be stored in.
"""
bytesbuffer = io.BytesIO()
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torch.save(checkpoint, bytesbuffer)
with fsspec.open(filepath, "wb") as f:
f.write(bytesbuffer.getvalue())
torch.save(checkpoint, f)