Enable YJIT for Ruby

Rails 7.2 enables YJIT itself after initialization. This makes sure code that only runs on initializing is not jitted. So for Rails we set RUBY_YJIT_ENABLE to falsey.
the-benchmarker · Sep 5, 2024 · f3cbdd2 · f3cbdd2
1 parent c5753ee
commit f3cbdd2
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diff --git a/ruby/config.yaml b/ruby/config.yaml
@@ -33,6 +33,7 @@ framework:
     - config.ru
 
   environment:
+    RUBY_YJIT_ENABLE: 1
     RACK_ENV: production
     BUNDLE_WITHOUT: "development,test"
     SECRET_KEY_BASE: Awe$ome_Secret.
diff --git a/ruby/rails-api/config.yaml b/ruby/rails-api/config.yaml
@@ -8,3 +8,5 @@ framework:
   environment:
     RAILS_ENV: production
     RAILS_LOG_LEVEL: fatal
+    # Rails enables YJIT after the app has initialized 
+    RUBY_YJIT_ENABLE: 0
diff --git a/ruby/rails/config.yaml b/ruby/rails/config.yaml
@@ -8,3 +8,5 @@ framework:
   environment:
     RAILS_ENV: production
     RAILS_LOG_LEVEL: fatal
+    # Rails enables YJIT after the app has initialized 
+    RUBY_YJIT_ENABLE: 0