Author

Wonmi Choi

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Preprint Sep 2026

Xronos: Heterogeneity-Aware Tensor Parallelism for Collaborative LLM Fine-Tuning on Edge CPUs

Collaborative fine-tuning on edge devices adapts large language models to domain-specific data while keeping each device's data local. State-of-the-art (SOTA) collaborative fine-tuning techniques are largely designed for GPU-based edge devices and rely on pipeline parallelism (PP). However, many edge platforms, includi...

Wonmi Choi, Sunjae Park, Dohyeok Kwon et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Not All AI Agents Are Equal: Characterizing Resource and Performance Dynamics

The latency with respect to the resource dynamics of processing multiple requests and tasks concurrently is characterized and new optimization opportunities that exploit the resource dynamics of tasks are demonstrated: CPU-aware tool admission and task-aware CPU allocation.

Wonmi Choi, Minuk Park, Zhixiong Niu et al. · 0 citations