Comments on: Faster ruby(2) http://hellohellonico.wordpress.com/2007/07/20/faster-ruby2/ Just another WordPress.com weblog Fri, 21 Sep 2007 04:44:15 +0000 http://wordpress.com/ hourly 1 By: hellonico http://hellohellonico.wordpress.com/2007/07/20/faster-ruby2/#comment-6 hellonico Fri, 20 Jul 2007 08:49:46 +0000 http://hellohellonico.wordpress.com/2007/07/20/faster-ruby2/#comment-6 Charles, I've updated with my results with your options. It does really speed things up. Since I am trying to get an application to work seamlessly whether on ruby or jruby, I am going to try those options on our own test suite as well. Will keep you posted ! Thanks a ton for that. Charles,

I’ve updated with my results with your options. It does really speed things up.
Since I am trying to get an application to work seamlessly whether on ruby or jruby, I am going to try those options on our own test suite as well.
Will keep you posted !

Thanks a ton for that.

]]> By: Charles Oliver Nutter http://hellohellonico.wordpress.com/2007/07/20/faster-ruby2/#comment-5 Charles Oliver Nutter Fri, 20 Jul 2007 07:13:47 +0000 http://hellohellonico.wordpress.com/2007/07/20/faster-ruby2/#comment-5 FYI, there's a few things you can do to speed this test up in JRuby: * Pass -J-server to JRuby to use the Java "server" VM * wrap the 0.upto pieces in methods and pass -J-Djruby.jit.threshold=0 to get them to compile (the whole script won't compile because the compiler doesn't compile class defs yet) * Pass -O to JRuby to turn off ObjectSpace With those changes made the two tests came in at around 9 seconds and 7 seconds, with MRI around 7.5 seconds on my sytsem. FYI, there’s a few things you can do to speed this test up in JRuby:

* Pass -J-server to JRuby to use the Java “server” VM

* wrap the 0.upto pieces in methods and pass -J-Djruby.jit.threshold=0 to get them to compile (the whole script won’t compile because the compiler doesn’t compile class defs yet)

* Pass -O to JRuby to turn off ObjectSpace

With those changes made the two tests came in at around 9 seconds and 7 seconds, with MRI around 7.5 seconds on my sytsem.

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