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[async io]supoort async io (#6137)

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* support async optimizer save/load

* fix

* fix

* support pin mem

* Update low_level_zero_plugin.py

* fix

* fix

* fix

* fix

* fix
This commit is contained in:
flybird11111
2024-11-18 17:52:24 +08:00
committed by Hongxin Liu
parent b90835bd32
commit eb69e640e5
15 changed files with 374 additions and 46 deletions
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colossalai/checkpoint_io/general_checkpoint_io.py
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@@ -98,6 +98,7 @@ class GeneralCheckpointIO(CheckpointIO):
gather_dtensor: bool,
prefix: str,
size_per_shard: int,
use_async: bool = False,
):
"""
Save sharded optimizer checkpoint under the given checkpointing path.
@@ -155,6 +156,7 @@ class GeneralCheckpointIO(CheckpointIO):
optimizer: Optimizer,
checkpoint: Path,
gather_dtensor: bool,
use_async: bool = False,
):
# TODO(FrankLeeeee): handle distributed tensors
save_state_dict(optimizer.state_dict(), checkpoint, use_safetensors=False)