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Zhiyu Mei

10 papers hereh-index 9784 citations12 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author2
  • middle author7

Across the 9 of 10 papers where every author was matched, so the position is known.

fields
  • cs.DC4
  • cs.CL3
  • cs.LG3

identity via Semantic Scholar / OpenAlex

activity
20232026
most citedIs DPO Superior to PPO for LLM Alignment? A Comprehensive Study

8 citations · 11 across the 8 of their papers we have counts for

collaborators
Showing 2025Show all

4 papers · 1 filter

cs.DC2025

AReaL-Hex: Accommodating Asynchronous RL Training over Heterogeneous GPUs

Ran Yan, Youhe Jiang, Tianyuan Wu +7

Maximizing training throughput and cost-efficiency of RL for LLMs is essential to democratize this advanced technique. One promising but challenging approach is to deploy such a co…

cs.CL2025★ 1 cited

Beyond Ten Turns: Unlocking Long-Horizon Agentic Search with Large-Scale Asynchronous RL

Jiaxuan Gao, Wei Fu, Minyang Xie +5

Recent advancements in LLM-based agents have demonstrated remarkable capabilities in handling complex, knowledge-intensive tasks by integrating external tools. Among diverse choice…

cs.CL2025

How Far Are We from Optimal Reasoning Efficiency?

Jiaxuan Gao, Shu Yan, Qixin Tan +6

Large Reasoning Models (LRMs) demonstrate remarkable problem-solving capabilities through extended Chain-of-Thought (CoT) reasoning but often produce excessively verbose and redund…

cs.LG2025

AReaL: A Large-Scale Asynchronous Reinforcement Learning System for Language Reasoning

Wei Fu, Jiaxuan Gao, Xujie Shen +10

Reinforcement learning (RL) has become a dominant paradigm for training large language models (LLMs), particularly for reasoning tasks. Effective RL for LLMs requires massive paral…

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