Add test matrix for Python 3.(6|7|8) & MKL/OpenBLAS

.github/workflows/main.yml

@@ -12,10 +12,17 @@ on:
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
-  # This workflow contains a single job called "build"
-  build-and-test:
+  firaga-test:
     # The type of runner that the job will run on
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        blasProvider: [ "openblasCompat", "mkl" ]
+        pythonVersion: [ "python36", "python37", "python38" ]
+
+    env:
+      PYTHON_PACKAGE_NAME: ${{ matrix.pythonVersion }}
+      BLAS_PROVIDER: ${{ matrix.blasProvider }}
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
@@ -32,9 +39,15 @@ jobs:
         name: mangaki
         # Signing key secret retrieved after creating binary cache on https://cachix.org
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
-        
+
     - name: Run tests
-      run: nix-shell shell.nix --command "py.test -n 2 --cov-report=xml --cov=zero"
+      run: |
+        nix-shell default.nix \
+        -A shell \
+        --argstr blasProvider "$BLAS_PROVIDER" \
+        --argstr pythonPackageName "$PYTHON_PACKAGE_NAME" \
+        --command "py.test --cov-report=xml --cov=zero"
     
     - name: Report coverage results to CodeCov
       run: bash <(curl -s https://codecov.io/bash)
+

README.md

@@ -7,6 +7,8 @@
 
 Mangaki's recommendation algorithms.
 
+It is tested on Python 3.6, 3.7 and 3.8 over OpenBLAS LP64 & MKL.
+
 ## Usage
 
 Most models have the following routines:

default.nix

@@ -1,4 +1,28 @@
-{ pkgs ? import <nixpkgs> {}, python ? pkgs.python3, useMKL ? true }:
+let ourNixpkgs =
+  builtins.fetchGit {
+  # Descriptive name to make the store path easier to identify
+  name = "nixos-unstable-2020-05-02";
+  url = "https://github.com/nixos/nixpkgs-channels/";
+  # Commit hash for nixos-unstable as of 2020-05-02
+  # `git ls-remote https://github.com/nixos/nixpkgs-channels nixos-unstable`
+  ref = "refs/heads/nixos-unstable";
+  rev = "fce7562cf46727fdaf801b232116bc9ce0512049";
+};
+in
+{ blasProvider ? "openblasCompat"
+, pkgs ? import ourNixpkgs {
+  config.allowUnfree = blasProvider == "mkl";
+  overlays = [
+    (self: super: {
+        lapack = super.lapack.override {
+          lapackProvider = super.${blasProvider};
+        };
+        blas = super.blas.override {
+          blasProvider = super.${blasProvider};
+        };
+      })]; }
+, pythonPackageName ? "python3"
+, python ? pkgs.${pythonPackageName}}:
 
 rec {
   pythonDependencies = (python.withPackages