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cs.DB2025
Bang for the Buck: Vector Search on Cloud CPUs
Leonardo Kuffo, Peter Boncz
Vector databases have emerged as a new type of systems that support efficient querying of high-dimensional vectors. Many of these offer their database as a service in the cloud. Ho…
cs.DB2025
PDX: A Data Layout for Vector Similarity Search
Leonardo Kuffo, Elena Krippner, Peter Boncz
We propose Partition Dimensions Across (PDX), a data layout for vectors (e.g., embeddings) that, similar to PAX [6], stores multiple vectors in one block, using a vertical layout f…