Author

Francesco Gargiulo

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Book Open access Oct 2026

Lossless Compression of Proximity Graph Indexes for Efficient Approximate Nearest Neighbors Search

Graph-based Approximate Nearest Neighbor (ANN) indexes, such as HNSW, are the backbone of modern vector search. However, their massive memory footprint creates a severe infrastructure bottleneck. While vector quantization is widely adopted to reduce the memory required to store data vectors, the graph's edge structure...

Francesco Benocci, Leonard Dahlmann, Francesco Gargiulo et al. · Proceedings of the 35th ACM... · 1 citation

Sep 2026

FastPair: GPU-Optimized String Decoding

FastPair is presented, a GPU decoder that optimizes the existing dictionary decoding process by reorganizing lookups and assembling decoded substrings for contiguous output writes, reaching up to 1.6 TB/s on a B300.

J. Isaacs, Francesco Gargiulo, P. Boncz et al. · arXiv.org · 0 citations