tracked author

Beidi Chen

Senior coauthor of Vortex and coauthor of ThunderAgent. PI of Infini AI Lab. Lab and GitHub profiles identify her as a Carnegie Mellon University assistant professor and Amazon Scholar, with prior FAIR / Meta, Stanford and Rice affiliations.

2 archived notes X: high Homepage GitHub X

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Jul 03, 2026

ThunderAgent: A Simple, Fast and Program Aware Agentic Inference System

ThunderAgent 把跨多轮 LLM 调用与工具等待建模为带 phase、status、KV footprint、backend placement 和 tool dependency 的 LLM Program，使 scheduler 能按 Reasoning / Acting 状态控制 KV working set，并在释放 KV 后通过全局队列重新选择恢复节点；论文在所测高并发 tool use serving 与 rol...

2602.13692-thunderagent-program-aware-agentic-inference Agent Workflow Inference Scheduling KV Cache

Jul 03, 2026

Vortex: Efficient and Programmable Sparse Attention Serving for AI Agents

Vortex 用 vFlow 描述 page summary、逐 token 动态路由与 selected attention，用 vTensor 把这些逻辑算子 lowering 到 paged / ragged layouts，再复用或补充 SGLang 的 GQA / MLA decode backend，使 sparse attention selector、top k 和真实 KV layout 能在同一端到端 servin...

2606.06453-vortex-sparse-attention-serving Serving Runtime Sparse Attention Attention Kernel