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Clear cache before and after the OBS pruning step #960

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natuan merged 1 commit into from
Jul 29, 2022
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Clear cache before and after the OBS pruning step #960

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2 changes: 2 additions & 0 deletions src/sparseml/pytorch/sparsification/pruning/modifier_pruning_obs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -246,6 +246,7 @@ def check_mask_update(
return # not a one-shot run

_LOGGER.info("Running OBS Pruning")
torch.cuda.empty_cache()
if self._scorer._is_main_proc:
# collect grads for empirical inverse Fisher estimation
self._scorer._enabled_grad_buffering = True
Expand All @@ -254,6 +255,7 @@ def check_mask_update(
self._scorer._enabled_grad_buffering = False

super().check_mask_update(module, epoch, steps_per_epoch, **kwargs)
torch.cuda.empty_cache()

def _get_mask_creator(
self, param_names: List[str], params: List[Parameter]
Expand Down