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Chenfeng Xu

13 papers hereh-index 7108 citations12 works total

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

author position
  • sole author1
  • middle author8
  • last author2

Across the 11 of 13 papers where every author was matched, so the position is known.

fields
  • cs.LG6
  • cs.CV3
  • cs.CL1
  • cs.DC1
  • cs.OS1
  • cs.RO1
same name
  • Chenfeng Xu — 38 papers, h 25
  • Chenfeng Xu — 27 papers, h 12
  • Chenfeng Xu — 4 papers, h 4
  • Chenfeng Xu — 4 papers, h 3

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20242026
collaborators
Showing 2026 · cs.LGShow all

4 papers · 2 filters

cs.LG2026

On-Policy Residual Learning for Diffusion Language Models

Yifan Yu, Yuqing Jian, Jisen Li +9

Residual context is key to unlocking the speed-quality Pareto frontier of diffusion language models (DLMs) by carrying forward predictive distributions across denoising steps. Yet…

cs.LG2026

QATFactory: A Versatile, Deployment-Aligned Framework for Quantization-aware Training and Distillation of LLMs

Weili Xu, Jisen Li, Yuqing Jian +8

Large language model (LLM) inference is increasingly moving toward lower precision to realize the throughput of hardware accelerators, but aggressive post-training quantization (PT…

cs.LG2026

Tail-Likelihood Reinforcement Learning

Shrinivas Ramasubramanian, Daman Arora, Fahim Tajwar +11

Reinforcement learning typically optimizes average reward. For generative policies, the average can hide an important distinction: two policies can achieve the same mean reward whi…

cs.LG2026

When RL Meets Adaptive Speculative Training: A Unified Training-Serving System

Junxiong Wang, Fengxiang Bie, Jisen Li +14

Speculative decoding can significantly accelerate LLM serving, yet most deployments today disentangle speculator training from serving, treating speculator training as a standalone…

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