Advanced34 min
TRPO and PPO
Trust regions, the surrogate objective, the clipped ratio, and why PPO became the RLHF default.
Assumes you know
Not yet written
This lesson is on the syllabus but has no text yet
The full curriculum is published up front so you can see the whole route and its dependencies. Lessons are being written in curriculum order.
What it will cover
- TRPO
- PPO
- trust region
- clipping
- KL penalty