Matrix-Game 4.0: Harnessing Video Models for Real-Time Playable Game Worlds
Introduction A game world built by a video generation model alone stores off-screen state nowhere. Every time a corridor you have already passed through is redrawn, it…
Video Generation
6 pages
Speculative Sampling in Interactive Video Generation
Speculative sampling reuses future video predictions to reduce response latency. How it works, recomputation costs, and the limits of the serving experiments.
HLA-WM: Hybrid Linear Attention for Long-Horizon Video World Models
HLA-WM retrieves past chunks using camera geometry to restore scene memory. At 60 seconds, its history memory is about 12× smaller than Full KV and 6× larger than GDN,…
MC-Sparse: Deconstructing and Closing the Dense-Sparse Attention Gap in Diffusion Transformers
MC-Sparse separates three sources of quality and efficiency loss in sparse DiT attention. This review explains why token selection and kernel execution costs must be…
WorldAttention: An Efficient Attention Architecture for Interactive Video World Models
WorldAttention: System Co-Design of an Interactive Video World Model That Drops the Sliding Window TL;DR — Text-controlled interactive video world models are trapped…
Programmable World Model
Programmable World Model — Embedding "Executable State" into Generative Worlds One-Line Summary (TL;DR) Video world models are producing increasingly realistic…