3 papers
cs.DC2026
HiSparse: Scaling Sparse-Attention Decoding with Hierarchical KV Cache Management
Zhiqiang Xie, Zhangheng Huang, Tingwei Huang +3
Top-k sparse attention makes long-context LLM decoding cheap to compute: each step reads only a few thousand selected KV entries rather than the full context. Serving systems, howe…
cs.DC2025
FailSafe: High-performance Resilient Serving
Ziyi Xu, Zhiqiang Xie, Swapnil Gandhi +1
Tensor parallelism (TP) enables large language models (LLMs) to scale inference efficiently across multiple GPUs, but its tight coupling makes systems fragile: a single GPU failure…
cs.DC2025
Strata: Hierarchical Context Caching for Long Context Language Model Serving
Zhiqiang Xie, Ziyi Xu, Mark Zhao +5
Large Language Models (LLMs) with expanding context windows face significant performance hurdles. While caching key-value (KV) states is critical for avoiding redundant computation…