Benchmarking via AirspeedVelocity

.github/workflows/benchmark.yml

@@ -1,4 +1,4 @@
-name: Run benchmarks
+name: Benchmarks
 
 on:
   pull_request:
@@ -11,22 +11,61 @@ on:
       - 'docs/**'
       - 'examples/**'
 
+permissions:
+  pull-requests: write
+
 jobs:
-  Benchmark:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: julia-actions/setup-julia@v2
-        with:
-          version: 1
-      - uses: julia-actions/julia-buildpkg@latest
-      - name: Install dependencies
-        run: julia -e 'using Pkg; pkg"add PkgBenchmark [email protected]"'
-      - name: Run benchmarks
-        run: julia -e 'using BenchmarkCI; BenchmarkCI.judge(; retune=true)'
-      - name: Post results
-        run: julia -e 'using BenchmarkCI; BenchmarkCI.postjudge()'
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Print judgement
-        run: julia -e 'using BenchmarkCI; BenchmarkCI.displayjudgement()'
+    generate_plots:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+            - uses: julia-actions/setup-julia@v2
+              with:
+                version: '1'
+            - uses: julia-actions/cache@v2
+            - name: Extract Package Name from Project.toml
+              id: extract-package-name
+              run: |
+                PACKAGE_NAME=$(grep "^name" Project.toml | sed 's/^name = "\(.*\)"$/\1/')
+                echo "::set-output name=package_name::$PACKAGE_NAME"
+            - name: Build AirspeedVelocity
+              env:
+                JULIA_NUM_THREADS: 2
+              run: |
+                # Lightweight build step, as sometimes the runner runs out of memory:
+                julia -e 'ENV["JULIA_PKG_PRECOMPILE_AUTO"]=0; import Pkg; Pkg.add(;url="https://github.com/MilesCranmer/AirspeedVelocity.jl.git")'
+                julia -e 'ENV["JULIA_PKG_PRECOMPILE_AUTO"]=0; import Pkg; Pkg.build("AirspeedVelocity")'
+            - name: Add ~/.julia/bin to PATH
+              run: |
+                echo "$HOME/.julia/bin" >> $GITHUB_PATH
+            - name: Run benchmarks
+              run: |
+                echo $PATH
+                ls -l ~/.julia/bin
+                mkdir results
+                benchpkg ${{ steps.extract-package-name.outputs.package_name }} --rev="${{github.event.repository.default_branch}},${{github.event.pull_request.head.sha}}" --url=${{ github.event.repository.clone_url }} --bench-on="${{github.event.repository.default_branch}}" --output-dir=results/ --tune
+            - name: Create markdown table from benchmarks
+              run: |
+                benchpkgtable ${{ steps.extract-package-name.outputs.package_name }} --rev="${{github.event.repository.default_branch}},${{github.event.pull_request.head.sha}}" --input-dir=results/ --ratio > table.md
+                echo '### Benchmark Results' > body.md
+                echo '' >> body.md
+                echo '' >> body.md
+                cat table.md >> body.md
+                echo '' >> body.md
+                echo '' >> body.md
+
+            - name: Find Comment
+              uses: peter-evans/find-comment@v3
+              id: fcbenchmark
+              with:
+                issue-number: ${{ github.event.pull_request.number }}
+                comment-author: 'github-actions[bot]'
+                body-includes: Benchmark Results
+
+            - name: Comment on PR
+              uses: peter-evans/create-or-update-comment@v4
+              with:
+                comment-id: ${{ steps.fcbenchmark.outputs.comment-id }}
+                issue-number: ${{ github.event.pull_request.number }}
+                body-path: body.md
+                edit-mode: replace