I am testing this with Jekyll http://github.com/jekyll/jekyll
$ ruby -v ruby 1.9.3p448 (2013-06-27) [i386-cygwin] $ time jekyll > /dev/null real 0m4.196s user 0m1.356s sys 0m2.807s With http://rubyinstaller.org it is much faster $ ruby -v ruby 1.9.3p484 (2013-11-22) [i386-mingw32] $ time jekyll.bat > /dev/null real 0m0.515s user 0m0.000s sys 0m0.015s -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple