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vLLM Fast Start Explained: What Preload and Snapshots Save, What They Cannot, and the Fingerprint Gap

TL;DR What shipped: vLLM 0.31.0 (2026-10-05) added vllm preload , a per-GPU daemon that keeps post-quantized weights resident so a restarting engine maps them over CUDA IPC instead of reloading from disk, plus experimental CRIU-based initialized-engine snapshots. The design goal, in the original PR…

Read the full story at DEV Community — Machine Learning ↗

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  1. 2026-11-03 14:12 · DEV Community — Machine Learning
    vLLM Fast Start Explained: What Preload and Snapshots Save, What They Cannot, and the Fingerprint Gap

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