From: Urabe Shyouhei <shyouhei@...>
Date: 2009-08-24T21:36:12+09:00
Subject: Re: Comparison Ruby, Python, Php, Groovy ecc.

Marco Mastrodonato wrote:
> Urabe Shyouhei wrote:
>> Are those executables compiled with identical compilers + compile flags?
> 
> Ruby p111 is mswin32 (onclick installer) the others are mingw32 
> downloaded from http://rubyinstaller.org/downloads/
> Iron and java version, Python, groovy, php ...was been downloaded from 
> main site. The perl's exe is strawberry's installation. Java was been 
> compiled by netbeans.

So the next thing you should do is to recompile by yourself to uniform
compilation environment among them.  Fairness is the most essential part when
you want to do an emotional Yo-Yo on a benchmark like that.

And luckily, all implementations nominated are open sourced.