Author

Joonghoon Kim

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#machine learning Feb 2026

PrefillShare: A Shared Prefill Module for KV Reuse in Multi-LLM Disaggregated Serving

This work proposes PrefillShare, a novel algorithm that enables sharing the prefill stage across multiple fine-tuned models in a disaggregated setting and introduces a routing mechanism that enables effective prefill sharing in a vLLM-based disaggregated system.

Sunghyeon Woo, Hoseung Kim, S. Shim et al. · arXiv.org · 3 citations

Jun 2026

Think in English, Answer in Korean: Efficient Adaptation of Multilingual Tool-Using Agents

We present LuckyStar 111B, a 111B-parameter hybrid reasoning model developed through a collaboration between Cohere and LG CNS for Korean-English enterprise agents under practical memory and serving constraints. The model trains from Cohere's fully post-trained Command A model rather than a new pretraining run, and use...

Utsav Garg, Sungjin Hong, Jason J. Jung et al. · arXiv.org · 1 citation