Author

Hanfeng Lu

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Preprint Sep 2026

WorldAttention: An Efficient Attention Architecture for Interactive Video World Models

Leveraging the paradigm of autoregressive diffusion, text-conditioned interactive video world models aim to simulate temporally coherent environments guided by textual instructions. While enabling low-latency, long-duration generation is pivotal for embodied AI and simulation-based planning, current frameworks primaril...

Ze-Yu Zhang, Jin-Yuan Mao, Da-Kai An et al. · 0 citations

Preprint Aug 2026

From LLM Inference to Agentic Workloads: Characterization and Implications for Serving Systems

This work presents AgentSysBench, a benchmark suite and measurement toolkit with ten representative agentic applications and unified systems-level instrumentation, and identifies six properties that distinguish agentic workloads from conventional LLM serving.

Chaokun Chang, Yu-Kun Zhou, Kai-Hua Fu et al. · 11 citations

Preprint Aug 2026

Rollplex: Cross-Phase GPU Spatial Sharing for Vision Language Model Post-Training

Rollplex is presented, a runtime that decomposes the reference and training phase and moves the prefix computation into the rollout decode window and achieves speedup over serial colocation and disaggregation under the same GPU budget, while preserving the synchronous RL update.

Han-Feng Lu, Tian-Yu Feng, Su-Yi Li et al. · 1 citation