Started a video series on building an orchestration layer for LLM post-training [P]

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Hi everyone! Context, motivation, a lot of yapping, feel free to skip to TL;DR. A while back I posted here asking [D] What framework do you use for RL post-training at scale?. Since then I've been working with verl, both professionally and on my own time. At first I wasn't trying to build anything new. I mostly wanted to understand veRL properly and have a better experience working with it. I started by updating its packaging to be more modern, use `pyproject.toml`, easily installable, remove...