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Techniques for sharing memory by colocating model roles and components on the same hardware.
Distinct from Training Memory Optimizers: Focuses on sharing memory via role-swapping/sleep-mode rather than general training algorithms like gradient checkpointing
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OpenRLHF is a training framework and alignment library designed for reinforcement learning from human feedback across distributed GPU clusters. It provides tools for aligning large language models and multimodal vision-language models using algorithms such as PPO, GRPO, and DPO. The framework distinguishes itself through a distributed inference engine that overlaps sample rollout with training to increase throughput. It supports scaling to models exceeding 70 billion parameters via parameter sharding and handles long-context sequences through ring-attention sequence parallelism. The project
Optimizes memory on small clusters by colocating model components and sharing resources via sleep-mode.