Junjie Lu

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upvoted an article about 2 months ago

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Article

DeepSeek-R1 Dissection: Understanding PPO & GRPO Without Any Prior Reinforcement Learning Knowledge

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Feb 7

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255

upvoted 2 papers 8 months ago

Pre-DPO: Improving Data Utilization in Direct Preference Optimization Using a Guiding Reference Model

Paper • 2504.15843 • Published Apr 22 • 16

Exploring Data Scaling Trends and Effects in Reinforcement Learning from Human Feedback

Paper • 2503.22230 • Published Mar 28 • 45

upvoted a paper 10 months ago

AdaptiveStep: Automatically Dividing Reasoning Step through Model Confidence

Paper • 2502.13943 • Published Feb 19 • 8