DPO #30
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DPO #30
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shahbuland
commented
Jan 26, 2024
shahbuland
commented
- Add DPO LoRA support
- Should add non-lora support as well but this is WIP for now
tmabraham
reviewed
Jan 28, 2024
Comment on lines
+116
to
+118
| def time_per_1k(n_samples : int): | ||
| total_time = timer.hit() | ||
| return total_time * 1000 / n_samples |
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this func should probably be in utils
tmabraham
reviewed
Jan 28, 2024
| if not do_lora: | ||
| ref_model = deepcopy(self.accelerator.unwrap_model(self.model).unet) | ||
| ref_model.requires_grad = False | ||
| if self.config.method.ref_mem_strategy == "half": ref_model = ref_model.half() |
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hmm is it a problem that the ref model is in half? does the original DPO do this?
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I'm not aware of how it would cause issues but I figured it was just a nice addition for memory saving purposes. It's not necessary if you match the original papers hyperparameters though.
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