Michele LaurelliBlog

IVF (Inverted File Index)

IVF (Inverted File Index): A vector index that partitions space into clusters and limits search to a subset. Quantization assigns vectors to centroids; the nprobe parameter determines how many partitions to visit. Increasing nprobe often improves recall at the cost of latency.

In italiano: IVF (Inverted File Index)Legge I · Embedding, feature e spazi vettoriali

Quantization assigns vectors to centroids; the nprobe parameter determines how many partitions to visit. Increasing nprobe often improves recall at the cost of latency.

Examples

  • Clusters learned with k-means
  • Searching nearest partitions
  • IVF-PQ index