Seer: Online Context Learning for Fast Synchronous LLM Reinforcement Learning

arXiv — cs.LGTuesday, November 25, 2025 at 5:00:00 AM
  • Seer, a new online context learning system, has been introduced to enhance the efficiency of synchronous reinforcement learning (RL) for large language models (LLMs). This system addresses significant performance bottlenecks during the rollout phase, which is often plagued by long-tail latency and resource utilization issues. By leveraging similarities in output lengths and generation patterns, Seer implements dynamic load balancing, context-aware scheduling, and adaptive grouped speculative decoding.
  • The introduction of Seer is crucial for improving the throughput of RL workloads, achieving a remarkable 74% increase in end-to-end rollout efficiency. This advancement not only optimizes resource usage but also accelerates the training process of LLMs, which are increasingly vital in various AI applications. Enhanced performance in RL can lead to more capable and responsive language models, benefiting developers and users alike.
  • The challenges of applying reinforcement learning to LLMs are echoed in ongoing discussions about the efficiency of training methods and the need for innovative frameworks. Issues such as context drift in multi-turn interactions and the reliance on external rewards highlight the complexity of developing robust RL systems. As researchers explore various approaches, including self-examining frameworks and adaptive training techniques, the evolution of RL in AI continues to be a focal point for enhancing model reasoning and performance.
— via World Pulse Now AI Editorial System

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