Re: Does Lucene Vector Search support int8 and / or even binary?

Hi, I am not the sepcialist on vectors, but you could use HnswBitVectorsFormat in the custom codecs JAR file. This uses byte[] vectors, but each byte represents 8 dimensions. As distance it XORs the vectors and takes resulting bitcount. I know this, because I improved the bitcounting using lo

Re: Does Lucene Vector Search support int8 and / or even binary?

unsubscribe On Tue, Mar 19, 2024 at 2:59 PM Shubham Chaudhary wrote: > Hi Michael, > > Lucene already had int8 vector support since 9.5 (#1054 > ) but it was left to the user > to get those quantized vectors and index using KnnByteVectorField > < > htt