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Split up Simple Staging and Legacy Staging Logic #1022

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3 changes: 3 additions & 0 deletions torchtnt/framework/callbacks/dcp_saver.py
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
DefaultSavePlanner,
)
from torch.distributed.checkpoint.planner import LoadPlanner, SavePlanner
from torch.distributed.checkpoint.staging import AsyncStager
from torchtnt.framework.state import EntryPoint

try:
Expand Down Expand Up @@ -161,6 +162,7 @@ def _checkpoint_impl(
hook: str,
planner: Optional[SavePlanner] = None,
storage_writer: Optional[StorageWriter] = None,
stager: Optional[AsyncStager] = None,
) -> bool:
if hook not in [
"on_train_step_end",
Expand Down Expand Up @@ -199,6 +201,7 @@ def _checkpoint_impl(
process_group=self._process_group,
storage_writer=storage_writer,
planner=planner,
async_stager=stager,
)
self._prev_snapshot = cast(Future, prev_snapshot)
if curr_snapshot_wait:
Expand Down
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