ets-berkeley-edu/eggshell — pull request #51 by ctweney (2012-11-08 00:35:36+00:00)
Title: NOJIRA Speed up JRuby by running in 32-bit mode without JIT compilation

Per tips here: http://blog.headius.com/2010/03/jruby-startup-time-tips.html

In an IDE you may have to configure JAVA_OPTS and JRUBY_OPTS env vars instead of using the rvmrc settings.