Alimama Tech
Dec 8, 2021 · Artificial Intelligence
Dual Vector Foil (DVF): Decoupled Index and Model Retrieval for Large-Scale Recall
The Dual Vector Foil (DVF) system decouples index construction from model training by building a post‑training HNSW graph, enabling any complex model to score candidates, which yields a 5.7 % recall boost, cuts latency from ~40 ms to 6.5 ms, and raises QPS over tenfold while simplifying maintenance.
IndexingOnline Inferencedeep learning
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