Course Code: ftrlhf
Duration: 14 hours
Prerequisites:
  • 了解监督学习和强化学习的基础知识
  • 具备模型微调和神经网络架构的经验
  • 熟悉Python编程和深度学习框架(例如TensorFlow,PyTorch)

受众

  • Machine Learning工程师
  • AI研究人员
Overview:

Reinforcement Learning 来自人类反馈的强化学习(RLHF)是一种尖端方法,用于微调如 ChatGPT 及其他顶级 AI 系统的模型。

这项由讲师指导的培训(线上或线下)针对高阶机器学习工程师和 AI 研究人员,他们希望应用 RLHF 来微调大型 AI 模型,以实现卓越的性能、安全性和对齐性。

在培训结束时,参与者将能够:

  • 理解 RLHF 的理论基础,以及它在现代 AI 开发中的重要性。
  • 基于人类反馈实现奖励模型,以指导强化学习过程。
  • 使用 RLHF 技术微调大型语言模型,使其输出与人类偏好一致。
  • 应用最佳实践来扩展 RLHF 工作流程,以适用于生产级 AI 系统。

课程形式

  • 互动式讲座与讨论。
  • 大量练习与实践。
  • 在即时实验环境中进行动手实作。

课程定制选项

  • 如需为本课程定制培训,请联系我们安排。
Course Outline:

人类反馈强化学习(RLHF)简介

  • 什么是RLHF及其重要性
  • 与监督微调方法的比较
  • RLHF在现代AI系统中的应用

基于人类反馈的奖励建模

  • 收集与结构化人类反馈
  • 建立与训练奖励模型
  • 评估奖励模型的有效性

使用近端策略优化(PPO)进行训练

  • RLHF中的PPO算法概述
  • 使用奖励模型实现PPO
  • 迭代与安全地微调模型

语言模型的实际应用

  • 为RLHF工作流程准备数据集
  • 使用RLHF进行小型LLM的实操微调
  • 挑战与缓解策略

将RLHF扩展至生产系统

  • 基础设施与计算考量
  • 质量保证与持续反馈循环
  • 部署与维护的最佳实践

伦理考量与偏见缓解

  • 解决人类反馈中的伦理风险
  • 偏见检测与校正策略
  • 确保对齐与安全输出

案例研究与实际范例

  • 案例研究:使用RLHF微调模型
  • 其他成功的RLHF部署
  • 经验教训与行业洞察

总结与下一步

Sites Published:

United Arab Emirates - Fine-Tuning with Reinforcement Learning from Human Feedback (RLHF)

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