BUILD: Use BenchmarkCI.jl to run package benchmarks on GitHub PRs.

.github/workflows/benchmarks.yml

@@ -0,0 +1,17 @@
+name: Benchmarks
+on: [pull_request]
+jobs:
+  benchmark:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Julia
+        uses: julia-actions/setup-julia@latest
+        with:
+          version: 1.5
+      - name: Install dependencies
+        run: julia -e 'using Pkg; pkg"add PkgBenchmark BenchmarkCI@0.1"'
+      - name: Run benchmarks
+        run: julia -e 'using BenchmarkCI; BenchmarkCI.judge()'
+      - name: Print results
+        run: julia -e 'using BenchmarkCI; BenchmarkCI.displayjudgement()'

.gitignore

@@ -5,7 +5,8 @@
 .ipynb_checkpoints
 
 # Julia
-benchmark/tune.json
+.benchmarkci
+benchmark/*.json
 Manifest.toml
 *.jl.cov
 *.jl.*.cov