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Initialize event storage when loading checkpoint in lightning module #5322

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Initialize event storage when loading checkpoint in lightning module #5322

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4 changes: 4 additions & 0 deletions tools/lightning_train_net.py
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,9 @@ def on_save_checkpoint(self, checkpoint: Dict[str, Any]) -> None:

def on_load_checkpoint(self, checkpointed_state: Dict[str, Any]) -> None:
self.start_iter = checkpointed_state["iteration"]
if self.storage is None:
self.storage = EventStorage(0)
self.storage.__enter__()
self.storage.iter = self.start_iter

def setup(self, stage: str):
Expand Down Expand Up @@ -83,6 +86,7 @@ def training_step(self, batch, batch_idx):
self.storage.__enter__()
self.iteration_timer.trainer = weakref.proxy(self)
self.iteration_timer.before_step()
if self.writers is None:
self.writers = (
default_writers(self.cfg.OUTPUT_DIR, self.max_iter)
if comm.is_main_process()
Expand Down