Our friends + occasional antagonists at
@SemiAnalysis_ published a great writeup on RL training efficiency: treat the system as a queue and keep generator and trainer throughput matched.
Also includes an analysis of Tinker's cost-efficiency and many OSS RL frameworks!
RL Systems Mind the Gap:
Matching Trainer and Generator Throughput
RL Training Infrastructure, GRPO,
PipelineRL, Async RL, Policy Staleness,
RL Sandbox Infra, CPU Requirements,
TCO Analysis, Thinking Machines Tinker
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