Set up benchmark CI

This prepares the benchmark for the arithmetic implementation in CheckedArithmeticCore.

.github/workflows/Benchmark.yml

@@ -0,0 +1,38 @@
+name: Run benchmarks
+
+on:
+  pull_request:
+    types: [labeled, opened, synchronize, reopened]
+  workflow_dispatch:
+jobs:
+  Benchmark:
+    runs-on: ubuntu-latest
+    if: contains(github.event.pull_request.labels.*.name, 'run benchmark')
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@latest
+      - name: Cache artifacts
+        uses: actions/cache@v1
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+      - name: Install dependencies
+        run: |
+          julia --project=./benchmark -e '
+            using Pkg;
+            Pkg.develop(PackageSpec(path=pwd()));
+            Pkg.develop(PackageSpec(path=joinpath(pwd(), "CheckedArithmeticCore")));
+            Pkg.instantiate();
+            '
+      - name: Run benchmarks
+        run: julia --project=./benchmark -e 'using BenchmarkCI; BenchmarkCI.judge(project="benchmark")'
+      - name: Post results
+        run: julia --project=./benchmark -e 'using BenchmarkCI; BenchmarkCI.postjudge()'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/UnitTest.yml

@@ -27,6 +27,7 @@ jobs:
         with:
           version: ${{ matrix.julia-version }}
           arch: ${{ matrix.julia-arch }}
+          show-versioninfo: true
       - run: julia --project -e 'using Pkg; Pkg.develop([PackageSpec(path="CheckedArithmeticCore")])'
 
       - name: Cache artifacts

.gitignore

@@ -1,3 +1,31 @@
+# Files generated by invoking Julia with --code-coverage
+*.jl.cov
+*.jl.*.cov
+
+# Files generated by invoking Julia with --track-allocation
+*.jl.mem
+
+# System-specific files and directories generated by the BinaryProvider and BinDeps packages
+# They contain absolute paths specific to the host computer, and so should not be committed
+deps/deps.jl
+deps/build.log
+deps/downloads/
+deps/usr/
+deps/src/
+
+# Build artifacts for creating documentation generated by the Documenter package
+docs/build/
+docs/site/
+
+# File generated by Pkg, the package manager, based on a corresponding Project.toml
+# It records a fixed state of all packages used by the project. As such, it should not be
+# committed for packages, but should be committed for applications that require a static
+# environment.
+Manifest.toml
+
+# Files enerated by BenchmarkCI
+/.benchmarkci
+/benchmark/*.json
+
 .DS_Store
-/Manifest.toml
 /dev/

benchmark/Project.toml

@@ -0,0 +1,6 @@
+[deps]
+BenchmarkCI = "20533458-34a3-403d-a444-e18f38190b5b"
+BenchmarkTools = "6e4b80f9-dd63-53aa-95a3-0cdb28fa8baf"
+CheckedArithmetic = "2c4a1fb8-30c1-4c71-8b84-dff8d59868ee"
+CheckedArithmeticCore = "740b204e-26e5-40b1-866a-9c367e60c4b6"
+PkgBenchmark = "32113eaa-f34f-5b0d-bd6c-c81e245fc73d"

benchmark/benchmarks.jl

@@ -0,0 +1,31 @@
+using CheckedArithmeticCore
+using BenchmarkTools
+using Base.Checked # TODO: re-export
+
+BenchmarkTools.DEFAULT_PARAMETERS.seconds = 1
+
+xs = Dict{Type, Matrix}()
+ys = Dict{Type, Matrix}()
+zs = Dict{Type, Matrix}()
+
+eltypes = (Int8, UInt8, Int16, UInt16, Int32, UInt32)
+for T in eltypes
+    push!(xs, T => rand(T, 1000, 1000))
+    push!(ys, T => rand(T, 1000, 1000))
+    push!(zs, T => zeros(T, 1000, 1000))
+end
+
+SUITE = BenchmarkGroup()
+SUITE["add"] = BenchmarkGroup([],
+    "wrapping" => BenchmarkGroup(),
+    "saturating" => BenchmarkGroup(),
+    "checked" => BenchmarkGroup(),
+)
+
+for T in eltypes
+    x = xs[T]::Matrix{T}
+    y = ys[T]::Matrix{T}
+    z = zs[T]::Matrix{T}
+    t = string(T)
+    SUITE["add"]["checked"   ][t] = @benchmarkable    checked_add.($x, $z)
+end