vLLM Says Bitwise-Identical Rollout and Training Can Speed Up Reinforcement Learning

1 reports 1 reporting sources 2 days agoNew

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vLLM published a blog post presenting an approach it says makes rollout and training bitwise identical to finish reinforcement learning training faster. vLLM said identical model weights do not guarantee the same policy because inference optimizations can change the log probabilities that training recomputes. The approach targets that mismatch between rollout inference and training.

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Latest development10/15 22:50 (UTC+8)

vLLM Blog Explains Bitwise-Identical Rollout and Training for Faster RL Training vLLM · X

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10/15

22:50
vLLM · X
vLLM Blog Explains Bitwise-Identical Rollout and Training for Faster RL Training
1/ 🚀 New on the vLLM blog: Finish RL Training Faster — Bitwise-Consistent, High-Performance, Agent-Driven Same weights don't guarantee the same policy: inference optimizations can change the logprobs that training recomputes. We make rollout and training bitwise identical https://t.co/S0xkMKfSmc

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