From: "M. Edward (Ed) Borasky" <znmeb@...>
Date: 2007-10-28T04:22:51+09:00
Subject: Re: How fast does your Ruby run?

Charles Oliver Nutter wrote:
> Daniel Sch�mer wrote:
>> Gentoo Linux on Intel Pentium 4 2.40GHz (512 KB cache):
>>
>> Ruby  Patch Platform            Seconds   Iterations per second
>> ===== ===== =================== ========= =====================
>> 1.8.6   111 i686-linux (gentoo) 32.801483  30486
>> 1.8.6  5000 i686-linux          13.607635  73488
>> 1.9.0     0 i686-linux           3.988949 250692
>> 1.8.5  3876 java                63.589     15725
>> 1.8.5  3876 java (-J-server)    44.173     22638
>> 1.8.5  3876 java (-O)           36.917     27087
>> 1.8.5  3876 java (-O -J-server) 15.194     65815
> 
> FYI, we're debating making ObjectSpace something you must turn *on* at 
> command line or through a library call, rather than something you have 
> to turn off. Practically nothing uses it, and it's a huge perf hit for 
> JRuby.
> 
> Thoughts?
> 
> - Charlie
> 
> 
Just a question -- assuming it's off by default, how do you know when 
you need to turn it on?