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Update learning rate on each backward pass instead of each forward pass. #1477

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merged 8 commits into from Apr 20, 2020
Merged

Update learning rate on each backward pass instead of each forward pass. #1477

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d1a05ae
change lr scheduler step interval to update every backwards pass inst…
rmrao Apr 13, 2020
548a363
update CHANGELOG
rmrao Apr 13, 2020
1ead46c
fix spacing
rmrao Apr 13, 2020
390095a
Merge branch 'master' into master
rmrao Apr 15, 2020
2f1be61
Add TODO to lr schedule update
rmrao Apr 15, 2020
8ce73a4
remove trailing whitespace
rmrao Apr 15, 2020
9d29f57
Merge branch 'master' into master
williamFalcon Apr 16, 2020
0c583d3
Merge branch 'master' into master
williamFalcon Apr 20, 2020
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14 changes: 7 additions & 7 deletions CHANGELOG.md
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Expand Up @@ -17,26 +17,26 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).

- Changed the default behaviour to no longer include a NaN check with each training iteration. ([#1475](https://github.com/PyTorchLightning/pytorch-lightning/pull/1475))

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- Changed lr schedule step interval behavior to update every backwards pass instead of every forwards pass ([#1476](https://github.com/PyTorchLightning/pytorch-lightning/issues/1476))

### Deprecated

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### Removed

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### Fixed

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## [0.7.3] - 2020-04-09
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5 changes: 3 additions & 2 deletions pytorch_lightning/trainer/training_loop.py
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Expand Up @@ -450,8 +450,9 @@ def run_training_epoch(self):
# when returning -1 from train_step, we end epoch early
early_stop_epoch = batch_result == -1

# update lr
self.update_learning_rates(interval='step')
if (self.batch_idx + 1) % self.accumulate_grad_batches == 0:
# update lr
self.update_learning_rates(interval='step')

# ---------------
# RUN VAL STEP
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