http://guides.rubyonrails.org/performance_testing.html
Explains how to apply the GC Patch to get better performance
measurements but this patch doesn’t work in 1.8.7 (I have
ruby-1.8.7-p174). Is there a patch out there for ruby-1.8.7-p174?
The one listed in the article is
http://rubyforge.org/tracker/download.php/1814/7062/17676/3291/ruby186gc.patch