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Fixes CPU and hanging GPU crash #2118

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merged 3 commits into from
Jun 8, 2020
Merged

Fixes CPU and hanging GPU crash #2118

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1eebf54
training batch clean up
williamFalcon Jun 8, 2020
78dbb7d
training batch clean up
williamFalcon Jun 8, 2020
2cfc1da
training batch clean up
williamFalcon Jun 8, 2020
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2 changes: 1 addition & 1 deletion pytorch_lightning/trainer/trainer.py
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Expand Up @@ -1033,7 +1033,7 @@ def run_pretrain_routine(self, model: LightningModule):
self.early_stop_callback._validate_condition_metric(callback_metrics)

# clear cache before training
if self.on_gpu:
if self.on_gpu and self.root_gpu is not None:
# use context because of:
# https://discuss.pytorch.org/t/out-of-memory-when-i-use-torch-cuda-empty-cache/57898
with torch.cuda.device(f'cuda:{self.root_gpu}'):
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