Expand description
Product Quantization (PQ) for memory-efficient vector compression and search
PQ divides high-dimensional vectors into subvectors and quantizes each subvector independently using k-means clustering. This achieves high compression ratios while maintaining reasonable search accuracy.
Structsยง
- Enhanced
Codes - Enhanced codes structure for advanced PQ features
- PQConfig
- Configuration for Product Quantization
- PQIndex
- Enhanced Product Quantization index with residual and multi-codebook support
- PQStats
- Statistics for PQ index