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Author

Wonmi Choi

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Preprint Sep 2026

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

Xronos is proposed, a collaborative fine-tuning framework for heterogeneous CPU edge devices that uses TP as its execution backbone and combines lightweight profiling with heterogeneity-aware tensor partitioning to reduce the straggler bottleneck.

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

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