Matthijs Douze comments

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                                            Matthijs Douze

Reproduction of ECCV'18 paper

Thanks a lot @una-dinosauria! Of course I am mostly interested by the LSQ and LSQ++ implementations. So far I have used the LSQ implementation in https://github.com/una-dinosauria/local-search-quantization, which is fine but...

Reproduction of ECCV'18 paper

Julia does not seem to be backward compatible, so Julia 1.x is not an option for the local-search-quantization repo. This is why I appreciate that you do the effort for...

Reproduction of ECCV'18 paper

Thanks! Will try it out... Presumably the "demo and data" section of the README is incomplete, since it shows how to get the data, but not how to run the...

Trainning GPUIVFPQ leads to error ( failed to cudaMalloc 1.5g, out of memory)

how much is nlist?

Faiss KMeans Inertia

see stats here https://github.com/facebookresearch/faiss/blob/main/faiss/Clustering.h#L43

[GPU] Adding new vectors to loaded index doesn't work on GPU

please use `add_with_ids`.

Performance issues with scale

If you are running searches in multiple threads, you should disable threading on the Faiss (and MKL) side. This is done via `omp_set_num_threads(1)` or the evironment variable `OMP_NUM_THREADS=1`. Note that...

Performance issues with scale

see also https://github.com/facebookresearch/faiss/wiki/Threads-and-asynchronous-calls#performance-of-search

Getting Cosine similarity different for "Flat" & "HNSW32Flat" Indexes

This is with an old version of Faiss, HNSW32Flat is not a valid index_factory string, it should be HNSW32,Flat. In addition, the faiss.METRIC_INNER_PRODUCT is not taken into account, so it...

the problem in CUDA 11.4 and how to use pip install Faiss in CUDA 11?

What are you trying to do when it fails?