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HyperspaceDB v4.2.3: 1.58-bit BitNet quantization (15.5× compression, 92.6% recall), and fixing the HNSW 5–10% filtered search cliff (154× faster than OpenSearch 3.9)

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  1. 2026-11-09 14:47 · r/machinelearningnews
    HyperspaceDB v4.2.3: 1.58-bit BitNet quantization (15.5× compression, 92.6% recall), and fixing the HNSW 5–10% filtered search cliff (154× faster than OpenSearch 3.9)

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