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fix warmup LR

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LR resets every epoch during warmup to `warmup_start_lr` because it uses inner epoch step counter. We need to use `total_cur_step` to increment LR continuously from epoch to epoch.
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George Shaikovski 2023-06-02 13:03:38 +01:00 committed by GitHub
parent 22d8888ca2
commit f90ae217ee
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minigpt4/common/optims.py
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@ -80,7 +80,7 @@ class LinearWarmupCosineLRScheduler:
total_cur_step = cur_epoch * self.iters_per_epoch + cur_step total_cur_step = cur_epoch * self.iters_per_epoch + cur_step
if total_cur_step < self.warmup_steps: if total_cur_step < self.warmup_steps:
warmup_lr_schedule( warmup_lr_schedule(
step=cur_step, step=total_cur_step,
optimizer=self.optimizer, optimizer=self.optimizer,
max_step=self.warmup_steps, max_step=self.warmup_steps,
init_lr=self.warmup_start_lr, init_lr=self.warmup_start_lr,