From: Ryan Davis <ryand-ruby@...>
Date: 2009-03-01T14:34:15+09:00
Subject: Re: Array performance question


On Feb 28, 2009, at 21:32 , Ryan Davis wrote:

>
> On Feb 27, 2009, at 05:16 , Jim Menard wrote:
>
>> Is there a known bug in Ruby array performance?  I spent a lot of  
>> time
>> yesterday boiling down the following example
>>
>> http://blogs.codehaus.org/people/geir/archives/001768_baffled_with_ruby.html
>
> I don't have time to dig into this, but I believe he's hitting a GC  
> threshold by going over N objects.

Poke around gc.c and see what you can figure out. Also, look at the  
1.9 version or through the changelog to find hints...

#ifndef GC_MALLOC_LIMIT
#if defined(MSDOS) || defined(__human68k__)
#define GC_MALLOC_LIMIT 200000
#else
#define GC_MALLOC_LIMIT 8000000
#endif
#endif