Summary

The sa_decode function does not work for IVFPQFastScan.

Faiss version: 1.7.4

Installed from: anaconda

Faiss compilation options: installed from package

Running on:

• [ x] CPU
• GPU

Interface:

• C++
• [ x] Python

Reproduction instructions

see https://gist.github.com/mdouze/219a9b84c00fb75e98ccbc0fb56ba6e8
compares with IVFPQ decode version.
Besides, the sa_decode does not work for flat PQ index