Merge pull request #168197 from SomeoneSerge/faiss

faiss: init at 1.7.2

pkgs/development/libraries/science/math/faiss/default.nix

···
+{ lib
+, config
+, fetchFromGitHub
+, stdenv
+, cmake
+, cudaPackages
+, cudaSupport ? config.cudaSupport or false
+, cudaCapabilities ? [ "60" "70" "80" "86" ]
+, pythonSupport ? true
+, pythonPackages
+, blas
+, swig
+, addOpenGLRunpath
+, optLevel ? let
+    optLevels =
+      lib.optional stdenv.hostPlatform.avx2Support "avx2"
+      ++ lib.optional stdenv.hostPlatform.sse4_1Support "sse4"
+      ++ [ "generic" ];
+  in
+  # Choose the maximum available optimization level
+  builtins.head optLevels
+, faiss # To run demos in the tests
+, runCommand
+}:
+
+let
+  pname = "faiss";
+  version = "1.7.2";
+  inherit (cudaPackages) cudatoolkit;
+in
+stdenv.mkDerivation {
+  inherit pname version;
+
+  outputs = [ "out" "demos" ];
+
+  src = fetchFromGitHub {
+    owner = "facebookresearch";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-Tklf5AaqJbOs9qtBZVcxXPLAp+K54EViZLSOvEhmswg=";
+  };
+
+  buildInputs = [
+    blas
+    swig
+  ] ++ lib.optionals pythonSupport [
+    pythonPackages.setuptools
+    pythonPackages.pip
+    pythonPackages.wheel
+  ];
+
+  propagatedBuildInputs = lib.optionals pythonSupport [
+    pythonPackages.numpy
+  ];
+
+  nativeBuildInputs = [ cmake ] ++ lib.optionals cudaSupport [
+    cudatoolkit
+    addOpenGLRunpath
+  ] ++ lib.optional pythonSupport [
+    pythonPackages.python
+  ];
+
+  passthru.extra-requires.all = [
+    pythonPackages.numpy
+  ];
+
+  cmakeFlags = [
+    "-DFAISS_ENABLE_GPU=${if cudaSupport then "ON" else "OFF"}"
+    "-DFAISS_ENABLE_PYTHON=${if pythonSupport then "ON" else "OFF"}"
+    "-DFAISS_OPT_LEVEL=${optLevel}"
+  ] ++ lib.optionals cudaSupport [
+    "-DCMAKE_CUDA_ARCHITECTURES=${lib.concatStringsSep ";" cudaCapabilities}"
+  ];
+
+
+  # pip wheel->pip install commands copied over from opencv4
+
+  buildPhase = ''
+    make -j faiss
+    make demo_ivfpq_indexing
+  '' + lib.optionalString pythonSupport ''
+    make -j swigfaiss
+    (cd faiss/python &&
+     python -m pip wheel --verbose --no-index --no-deps --no-clean --no-build-isolation --wheel-dir dist .)
+  '';
+
+  installPhase = ''
+    make install
+    mkdir -p $demos/bin
+    cp ./demos/demo_ivfpq_indexing $demos/bin/
+  '' + lib.optionalString pythonSupport ''
+    mkdir -p $out/${pythonPackages.python.sitePackages}
+    (cd faiss/python && python -m pip install dist/*.whl --no-index --no-warn-script-location --prefix="$out" --no-cache)
+  '';
+
+  fixupPhase = lib.optionalString (pythonSupport && cudaSupport) ''
+    addOpenGLRunpath $out/${pythonPackages.python.sitePackages}/faiss/*.so
+    addOpenGLRunpath $demos/bin/*
+  '';
+
+  passthru = {
+    inherit cudaSupport cudaPackages pythonSupport;
+
+    tests = {
+      runDemos = runCommand "${pname}-run-demos"
+        { buildInputs = [ faiss.demos ]; }
+        # There are more demos, we run just the one that documentation mentions
+        ''
+          demo_ivfpq_indexing && touch $out
+        '';
+    } // lib.optionalAttrs pythonSupport {
+      pytest = pythonPackages.callPackage ./tests.nix { };
+    };
+  };
+
+  meta = with lib; {
+    description = "A library for efficient similarity search and clustering of dense vectors by Facebook Research";
+    homepage = "https://github.com/facebookresearch/faiss";
+    license = licenses.mit;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ SomeoneSerge ];
+  };
+}

pkgs/development/libraries/science/math/faiss/tests.nix

···
+{ lib
+, buildPythonPackage
+, faiss
+, scipy
+, pytestCheckHook
+}:
+
+assert faiss.pythonSupport;
+
+buildPythonPackage {
+  pname = "faiss-pytest-suite";
+  inherit (faiss) version;
+
+  src = "${faiss.src}/tests";
+
+  dontBuild = true;
+  dontInstall = true;
+
+  # Tests that need GPUs and would fail in the sandbox
+  disabledTestPaths = lib.optionals faiss.cudaSupport [
+    "test_contrib.py"
+  ];
+
+  checkInputs = [
+    faiss
+    pytestCheckHook
+    scipy
+  ] ++
+  faiss.extra-requires.all;
+}

pkgs/top-level/all-packages.nix

···
     jre = openjdk11;
   };
 
+  faiss = callPackage ../development/libraries/science/math/faiss {
+    pythonPackages = python3Packages;
+    # faiss wants the "-doxygen" option
+    # available only since swig4
+    swig = swig4;
+  };
+
   fityk = callPackage ../applications/science/misc/fityk { };
 
   galario = callPackage ../development/libraries/galario { };

pkgs/top-level/python-packages.nix

···
 
   factory_boy = callPackage ../development/python-modules/factory_boy { };
 
+  faiss = toPythonModule (pkgs.faiss.override {
+    pythonSupport = true;
+    pythonPackages = self;
+  });
+
   fake-useragent = callPackage ../development/python-modules/fake-useragent { };
 
   faker = callPackage ../development/python-modules/faker { };