unitable/configs/trainer/train/lr_scheduler/cosine.yaml

_target_: torch.optim.lr_scheduler.LambdaLR
lr_lambda:
  _partial_: true
  _target_: src.utils.cosine_schedule_with_warmup
  warmup: 6
  min_ratio: 5e-3
  total_step: ${trainer.train.epochs}