gh ci; minor fixes; blas tests

Author: carstenbauer

.github/workflows/CI.yml

@@ -0,0 +1,40 @@
+name: Run tests
+
+on:
+  push:
+    paths-ignore:
+      - 'README.md'
+    branches:
+      - main
+  pull_request:
+    paths-ignore:
+      - 'README.md'
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        julia-version: [1.6, 1.8]
+        julia-arch: [x64]
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+        # exclude:
+        #   - os: macOS-latest
+        #     julia-arch: x86
+
+    steps:
+      - uses: actions/checkout@v1.0.0
+      - uses: julia-actions/setup-julia@latest
+        with:
+          version: ${{ matrix.julia-version }}
+      - uses: julia-actions/julia-buildpkg@master
+      - uses: julia-actions/julia-runtest@master
+      - uses: julia-actions/julia-uploadcodecov@master
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+#      - uses: julia-actions/julia-uploadcoveralls@master
+#        env:
+#          COVERALLS_TOKEN: ${{ secrets.COVERALLS_TOKEN }}

.gitignore

@@ -1 +1,2 @@
 /Manifest.toml
+.vscode

Project.toml

@@ -12,7 +12,8 @@ blis_jll = "0.9"
 julia = "1"
 
 [extras]
+LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Test"]
+test = ["Test", "LinearAlgebra"]

src/BLISBLAS.jl

@@ -4,14 +4,14 @@ using blis_jll
 using LinearAlgebra
 
 function get_num_threads()
-    err = @ccall blis.bli_thread_get_num_threads()::Cint
-    err == -1 && throw(ErrorException("return value was -1"))
-    return nothing
+    ret = @ccall blis.bli_thread_get_num_threads()::Cint
+    ret == -1 && throw(ErrorException("return value was -1"))
+    return ret
 end
 
 function set_num_threads(nthreads)
-    err = @ccall blis.bli_thread_set_num_threads(nthreads::Cint)::Cvoid
-    err == -1 && throw(ErrorException("return value was -1"))
+    ret = @ccall blis.bli_thread_set_num_threads(nthreads::Cint)::Cvoid
+    ret == -1 && throw(ErrorException("return value was -1"))
     return nothing
 end
 

test/runtests.jl

@@ -1,6 +1,38 @@
-using BLISBLAS
 using Test
+using LinearAlgebra
+
+function blas()
+    libs = BLAS.get_config().loaded_libs
+    lib = lowercase(basename(last(libs).libname))
+    if contains(lib, "openblas")
+        return :openblas
+    elseif contains(lib, "blis")
+        return :blis
+    else
+        return :unknown
+    end
+end
 
 @testset "BLISBLAS.jl" begin
-    # Write your tests here.
+    @testset "Sanity Tests" begin
+        @test blas() == :openblas
+        using BLISBLAS
+        @test blas() == :blis
+        @test LinearAlgebra.peakflops() > 0
+    end
+
+    @testset "BLAS threads" begin
+        @test isnothing(BLISBLAS.set_num_threads(1))
+        @test BLISBLAS.get_num_threads() == 1
+        @test isnothing(BLISBLAS.set_num_threads(2))
+        @test BLISBLAS.get_num_threads() == 2
+        @test isnothing(BLISBLAS.set_num_threads(3))
+        @test BLISBLAS.get_num_threads() == 3
+    end
+
+    @testset "BLAS" begin
+        # run all BLAS tests of the LinearAlgebra stdlib (i.e. LinearAlgebra/test/blas.jl)
+        linalg_stdlib_test_path = joinpath(dirname(pathof(LinearAlgebra)), "..", "test")
+        include(joinpath(linalg_stdlib_test_path, "blas.jl"))
+    end
 end