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From: CBFalconer <cbfalconer AT yahoo DOT com>
Organization: Ched Research
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Newsgroups: comp.os.msdos.djgpp
Subject: Re: Speed of free()
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Date: Fri, 05 Mar 2004 03:53:37 GMT
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Scott wrote:
> CBFalconer <cbfalconer AT yahoo DOT com> wrote:
> 
... snip ...
> 
> Maybe it wasn't 2.01 -- I don't understand DJGPP versioning.  I
> reverted to the version where 'gcc -v' says 2.8.0 and rebuilt my
> program, and the dreadful free() slowdown went away.  For
> comparison:
> 
> gcc 2.8.0, n=383701, t=0.33 seconds
> gcc 3.3.3, n=383701, t=136 seconds
> gcc 3.3.3 w/nmalloc, n=383701, t=0.56 seconds

Interesting. I never used 2.01. malloc/free are in the library.

> 
> > AFAICT you can use the revised malloc anywhere except some things
> > to do with porting gcc, where the memalign stuff is needed.
> 
> Isn't the free-standing version of nmalloc GPLed?

It also has the terms of copying.dj, which is pretty
non-restrictive.

-- 
Chuck F (cbfalconer AT yahoo DOT com) (cbfalconer AT worldnet DOT att DOT net)
   Available for consulting/temporary embedded and systems.
   <http://cbfalconer.home.att.net>  USE worldnet address!