8000 Fix OneCycle step length when in multiprocess by muellerzr · Pull Request #385 · huggingface/accelerate · GitHub
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Fix OneCycle step length when in multiprocess #385

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Merged
merged 3 commits into from
May 23, 2022
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Fix OneCycle step length when in multiprocess #385

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db3367f
Special onecycle fix
muellerzr May 23, 2022
6f51087
LT or equal to
muellerzr May 23, 2022
cf13000
Style
muellerzr May 23, 2022
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4 changes: 3 additions & 1 deletion src/accelerate/scheduler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,9 @@ def step(self, *args, **kwargs):
# num_processes steps per training step
num_processes = AcceleratorState().num_processes
for _ in range(num_processes):
self.scheduler.step(*args, **kwargs)
# Special case when using OneCycle and `drop_last` was not used
if getattr(self.scheduler, "total_steps", 0) <= self.scheduler.last_epoch:
self.scheduler.step(*args, **kwargs)

# Passthroughs
def get_last_lr(self):
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