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[3/9] final_lr_ratio - #17
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seems like there is some rebasing trouble? |
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final_lr_ratio should not be a required setting, if scheduler is not linear it should have have any effect
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@fabianlim agree with everything, updated |
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| num_warmup_steps = int(num_training_steps_for_scheduler * args.warmup_ratio) | ||
| if args.final_lr_ratio is not None and args.lr_scheduler_type == "linear": | ||
| # Correct num_training_steps_for_scheduler to respect final_lr_ratio for a linear scheduler | ||
| num_training_steps_for_scheduler = ( |
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num_training_steps_for_scheduler is not used anwhere else except get_scheduler right?
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Correct, it's just defined here, and maybe updated if the user specifies final_lr_ratio and is using a linear scheduler.
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Alters the SFT linear learning rate scheduler such that the final lr is configurable, rather than having it run down to zero. The final learning rate is
learning_rate * final_lr_ratioNOTE: this changes the default behavior
--final_lr_ratio 0.1, whereas previouslyfinetune.pyeffectively had--final_lr_ratio 0.0. The 0.1 default is inspired by Qwen.NOTE: only implemented for the
linearscheduler. This PR disables other scheduler options.