Victor Reyes schrieb:
[...]
> As suggested by JoChen, I executed the program under JRuby 14 times.
> 
> To be fair to Ruby, I also executed it 14 times under Ruby.
> You can see the results below.
> 
> As suggested by Ed Borasky, I will send the code to Charlie Nutter, if
> I can get his email. Otherwise I can post it here. It is not great
> 
> code at all, but it is doing the work for now.
> 
> I executed the program using *jruby -J-server* as suggested by ThoML
> and results are catastrophic! See the number belows! I only ran it 6
> times.
> I also can't believe that jruby has been clocked at twice the speed of
> ruby since after all, jruby has more overhead than ruby. Then again,
> 
> I am not expert on the subject (or any subject).
> 
> *JRuby executions:
> *Elapsed Time: 0.888
> Elapsed Time: 0.881
[...]
> Elapsed Time: 0.881
> 
> *Ruby executions:*
> Elapsed Time: 0.422
> Elapsed Time: 0.391
[...]
> Elapsed Time: 0.39
> 
> *jruby -J-server sudoku01final.rb*
> Elapsed Time: 2.474
[...]
> Elapsed Time: 2.414

well, looking at these numbers I would suggest you subscribe to the 
jruby mailing list and ask why jruby is 100% slower than ruby ;) The 
server mode really looks awful... They need to know about this!

bye Jochen