Installing Faiss

Standard installs

See INSTALL.md

Compiling Faiss on ARM

Commands for an ubuntu 18 image on an Amazon c6g.8xlarge machine :

set -e

sudo apt-get install libatlas-base-dev libatlas3-base
sudo apt-get install clang-8
sudo apt-get install swig

# cmake provided with ubuntu is too old

wget https://github.com/Kitware/CMake/releases/download/v3.19.3/cmake-3.19.3.tar.gz

tar xvzf cmake-3.19.3.tar.gz
cd cmake-3.19.3/
./configure --prefix=/home/matthijs/cmake &&  make -j

cd $HOME

alias cmake=$HOME/cmake/bin/cmake

# clone Faiss

git clone https://github.com/facebookresearch/faiss.git

cd faiss

cmake  -B build -DCMAKE_CXX_COMPILER=clang++-8 -DFAISS_ENABLE_GPU=OFF  -DPython_EXECUTABLE=$(which python3) -DFAISS_OPT_LEVEL=generic -DCMAKE_BUILD_TYPE=Release -DBUILD_TEST\
ING=ON

(cd build/faiss/python/ ; python3 setup.py build)

# run tests

export PYTHONPATH=$PWD/build/faiss/python/build/lib/

python3 -m unittest discover