这里有个model_wrapped的概念,意思是最开始的model对象传进来后,会根据实际情况对它进行包装,比如用PEFT进行包装,比如用Deepspeed进行包装,所以这个model_wrapped指向了最外层的包装类Model对象,以便支持一些额外的功能,如梯度累积、多GPU并行训练(数据并行、模型并行等)、混合精度训练(通过 apex 或 torch.cuda.amp)等。
此外,当使用 push_to_hub=True 时,你可以轻松地将 checkpoints 保存在 Model Hub 。默认情况下,所有保存在 intermediate checkpoints 的模型被保存在不同的 commits 中,但不包括 optimizer state 。你可以将 TrainingArguments 的hub-strategy 值调整为如下两种: "checkpoint":latest checkpoint 也被推送到一个名为...
model_wrapped = self.model ref_policy = self.ref_policy reward_model = self.reward_model 准备更新参数前,主要包以下含五个计算步骤: 0、取rloo_k个query数据,先对每个query采样,采样次数:rollout_forward_batch_size for update in range(1, args.num_total_batches + 1): self.state.episode += 1 ...
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main scripts src data tools trainer dpo_trainer.py modpo_trainer.py rm_trainer.py sft_trainer.py utils .gitignore README.md requirements.txt Breadcrumbs modpo /src /trainer / Latest commit Cannot retrieve latest commit at this time.
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