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Kang He

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Preprint Aug 2026

TEMPO: Makespan-Aware Expert-Parallel Load Balancing Across Memory- and Compute-Bound Regimes

This work formalizes per-batch dispatch as a fixed-charge makespan problem---NP-hard on two fully replicated GPUs, polynomial in degenerate limits---and presents TEMPO, a makespan-aware dispatcher solving it in milliseconds off the critical path; its SGLang integration runs out-of-process and fuses dispatch with count...

Jie Li, Chen-Xin Jia, Jinliang Shen et al. · 1 citation
Jul 2026

X-Stage: An Overlooked Pipeline Stage for Communication-Computation Overlap in DiT Inference

A lightweight Burst-Gap model parameterized by backpressure-free issue time, effective drain rate, and outstanding capacity predicts issue overhead, recovery between bursts, and the onset of backpressure, and two communication-computation fused kernels are redesigned.

Jianwen Xian, Zhiyuan Xu, Yucheng Li et al. · 0 citations
Preprint Aug 2026

AlayaWorld: Interactive Long-Horizon World Modeling - Full Technical Report (v1.1)

The new version of AlayaWorld substantially revise how conditioning signals are represented and integrated into the model, replacing the previous depth-warping-based spatial memory with a streaming 3D point-cache renderer.

AlayaWorld Team Kaipeng Zhang, Chuan-Hao Li, Yi-Fan Zhan et al. · 5 citations · ⚡2
Jul 2026

AlayaWorld: Long-Horizon and Playable Video World Generation

AlayaWorld enables open-ended real-time interaction, allowing users to freely navigate and perform diverse actions such as combat, spell casting, and monster summoning, and the framework unifies the complete development-from data preparation model architecture, model training, inference acceleration, and deployment-wit...

AlayaWorld Team, Kaipeng Zhang, Chuanhao Li et al. · 1 citation
Preprint Aug 2026

Sekai2: From World Exploration to Interactive World Modeling

Sekai2 is introduced, a multi-source real-world video dataset that carries the world-exploration footage of Sekai toward interactive world modeling, and Corpus-scale analyses demonstrate complete pose-and-caption coverage, broad geographic and semantic diversity, varied camera trajectories, and highly non-redundant tem...

Kang He, Wen-Shuo Peng, Zi-Hui Gao et al. · 2 citations · ⚡1
Jul 2026

AlayaWorld: Interactive Long-Horizon World Modeling - Full Technical Report

AlayaWorld is presented, an interactive long-horizon video world model that generates 24-fps video at 540p and 720p and introduces a discrete autoregressive distillation formulation that combines distribution-matching distillation, self-forcing++, and consistency distillation, reducing inference from approximately 30 s...

AlayaWorld Team Kaipeng Zhang, Chuanhao Li, Y. Zhan et al. · 4 citations
Jul 2026

HeadCast: Casting Attention Heads for Efficient Autoregressive Video Generation

HeadCast is proposed, a training-free, plug-and-play acceleration framework built on the observation that a pre-trained AR model's attention heads exhibit stable, heterogeneous behaviors that accelerates inference by up to 1.62x at 720P and 1.95x at 1080P, while keeping VBench quality on par with full attention and lar...

Jinliang Shen, Li Su, Zheming Li et al. · 1 citation

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