Precise issue_comment trigger

.github/workflows/bench.yml

@@ -7,16 +7,14 @@ on:
       - mb/benchmarks
   issue_comment:
     types: [created]
+    if: contains(github.event.comment.body, 'test performance please')
   schedule:
     # every night at 03:33
     - cron: '33 3 * * *'
 
 jobs:
   benchmarks:
     name: On-Push Benchmarks
-    if: |
-      github.event_name == 'push' ||
-      (github.event_name == 'issue_comment' && contains(github.event.comment.body, 'test performance please'))
     runs-on: ['self-hosted', 'benchmarks']
 
     steps:
@@ -35,11 +33,16 @@ jobs:
         echo "/home/scalabenchs/.local/share/coursier/bin" >> $GITHUB_PATH
 
     - name: Run Benchmarks
-      # Select benchmarks that do not contain `Nightly` or `Bootstrapped` in their name
+      # Select benchmarks that do not contain `Nightly` or `Bootstrapped` in
+      # their name.
+      # `-foe true` means "fail on error".
+      # `-gc true` launches the garbage collector between each iterations, which
+      # significantly reduces the noise.
       run: "sbt 'scala3-bench / Jmh / run -foe true -gc true -e Nightly -e Bootstrapped'"
 
     - name: Run Bootstrapped Benchmarks
-      # Select benchmarks that contain `Bootstrapped` in their name, but not `Nightly`
+      # Select benchmarks that contain `Bootstrapped` in their name, but not
+      # `Nightly`.
       run: "sbt 'scala3-bench-bootstrapped / Jmh / run -foe true -gc true -e Nightly Bootstrapped'"
 
     - name: Upload Results

bench/src/main/scala/CompilationBenchmarks.scala

@@ -246,5 +246,7 @@ class CompilationBenchmarks:
   def implicitScopeLoop() = compile(implicitScopeLoopArgs)
 
   // Currently crashes
+  // Since https://github.com/scala/scala3/pull/20195 ?
+  // TODO: fix and re-enable
   // @Benchmark
   def inductiveImplicits() = compile(inductiveImplicitsArgs)