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什么是大模型的预训练和后训练? 一视频彻底搞懂大模型预训练、SFT 监督微调、RLHF 强化学习与 DPO 直接偏好优化的底层区别与工程演进!为什么预训练出来的 Base Model 只是个资料库?DPO 如何用推导闭式解绕过独立的 Reward Model 和复杂 PPO?最全工程总结在这里!#大模型#预训练 #人工智能 #后训练 #大模型训练
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什么是大模型的预训练和后训练? 一视频彻底搞懂大模型预训练、SFT 监督微调、RLHF 强化学习与 DPO 直接偏好优化的底层区别与工程演进!为什么预训练出来的 Base Model 只是个资料库?DPO 如何用推导闭式解绕过独立的 Reward Model 和复杂 PPO?最全工程总结在这里!#大模型#预训练 #人工智能 #后训练 #大模型训练
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