Toward efficient Ruby 2.1 Koichi Sasada <ko1@heroku.com> Heroku, Inc. RubyKaigi 2013 Toward efficient Ruby 2.1 by Koichi Sasada 1 Agenda •Ruby 2.1 Schedule •Ruby 2.1 new “internal” features • Internal object management hooks • Object allocation tracing • GC hooks • RGenGC: Restricted Generational Garbage Collection ← Today’s main topic •Ruby 2.1 expected “internal” features • Sophisticated inline