Author

Yannis Chronis

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Preprint Sep 2026

VADER: Filtered Vector Search with Declarative Recall

Approximate filtered vector search (FVS), a core operation in many data management tasks that combine structured data with vector embeddings, exhibits increased complexity due to the characteristics of filtering predicates. Each predicate is defined by selectivity (i.e., the fraction of vectors that satisfy the predica...

Manos Chatzakis, Duo Lu, Helena Caminal et al. · 0 citations

Preprint Aug 2026

Over the Memory Wall, Into the Instruction Wall: The New Bottleneck in GPU Data Processing

Valk, a performance analysis tool that combines data from multiple profilers, shows that when memory bandwidth is increased, kernels become compute bound, and makes three recommendations to fully utilize the GPUs' potential for relational workloads when the memory wall is removed.

S. Hepkema, Bo-Wen Wu, Christos Kozyrakis et al. · 0 citations