From: guillaume.marcais@...
Date: 2006-08-18T09:50:08+09:00
Subject: Re: Ruby, memory and speed


Mauricio Fernandez wrote:
> On Thu, Aug 17, 2006 at 10:54:04PM +0900, Guillaume Marcais wrote:
> [...]
> > When the script start, it processes the files at a speed of 10K/s or
> > so. Not lightening fast, but will get the job done. As time goes on,
> > the speed drops down to 100 bytes/s or less, while still taking 100%
> > CPU time. Unbearable. The machine it is running on is pretty good:
> > 4xAMD Opteron 64bit, 32G memory, local scsi raided drive.
> >
> > Does the performance of Ruby collapse past a certain memory usage? Like
> > the GC kicks in all the time.
> >
> > Any clue on how to speed this up? Any help appreciated.
> [...]
>
> Have you tried to increment GC_MALLOC_LIMIT in gc.c?

No. Any hint on what value I can raised it to? Any upper limit that I
should not cross?

Guillaume.
>
> -- 
> Mauricio Fernandez  -   http://eigenclass.org   -  singular Ruby