Proximal Policy Optimization (PPO)

31 Oct 2024

🚧 Work in progress…

This article will cover Proximal Policy Optimization (PPO), a reinforcement learning algorithm widely used for fine-tuning large language models with human feedback (RLHF).

Topics to cover:

• Policy gradient methods
• Trust region optimization
• PPO algorithm and implementation
• Applications in LLM fine-tuning