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add ema to BaseTrainer init #916

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merged 1 commit into from
Nov 21, 2024
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add ema to BaseTrainer init #916

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3 changes: 2 additions & 1 deletion src/fairchem/core/trainers/base_trainer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,7 @@ def __init__(
self.cpu = cpu
self.epoch = 0
self.step = 0
self.ema = None

if torch.cuda.is_available() and not self.cpu:
logging.info(f"local rank base: {local_rank}")
Expand Down Expand Up @@ -617,7 +618,7 @@ def load_checkpoint(
"Loading checkpoint in inference-only mode, not loading keys associated with trainer state!"
)

if "ema" in checkpoint and checkpoint["ema"] is not None:
if "ema" in checkpoint and checkpoint["ema"] is not None and self.ema:
self.ema.load_state_dict(checkpoint["ema"])
else:
self.ema = None
Expand Down
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