Collect benchmarks on criterion.dev

.github/workflows/bench.yml

@@ -0,0 +1,33 @@
+name: Benchmarks
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    name: Run pollard benchmarks
+    runs-on: ubuntu-latest
+    env:
+      CRITERION_TOKEN: ${{ secrets.CRITERION_TOKEN }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run benchmarks
+        run: |
+          # run benchmarks and save baseline to "criterion.dev.temp"
+          cargo bench -- --verbose --noplot --save-baseline criterion.dev.temp
+
+          # set the path to the file to upload to criterion.dev
+          echo "::set-env name=CRITERION_FILE_PATH::$(find $(find . -type d -name criterion.dev.temp) -name raw.csv)"
+      - name: Upload benchmarks
+        run: |
+          # upload the file
+          curl -F 'raw.csv=@${{ env.CRITERION_FILE_PATH }}' \
+          'https://api.criterion.dev/v1/${{ github.repository }}/measurements?token=${{ secrets.CRITERION_TOKEN }}&commit=${{ github.sha }}'

Cargo.toml

@@ -17,3 +17,9 @@ publish = false
 
 [package.metadata.docs.rs]
 rustdoc-args = [ "--html-in-header", "katex-header.html" ]
+
+[dev-dependencies]
+criterion = "0.3"
+
+[lib]
+bench = false