X-Cache achieves 71% block skip rate and 2.6x wall-clock speedup in few-step autoregressive multi-camera driving world models via cross-chunk residual caching with dual-metric gating and forced KV updates.
X-world: Controllable ego-centric multi-camera world models for scalable end-to-end driving
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X-Cache: Cross-Chunk Block Caching for Few-Step Autoregressive World Models Inference
X-Cache achieves 71% block skip rate and 2.6x wall-clock speedup in few-step autoregressive multi-camera driving world models via cross-chunk residual caching with dual-metric gating and forced KV updates.