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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: Alignment problem
References:	<3c63f21f DOT sandmann AT clio DOT rice DOT edu> <3C645F1D DOT C26E8F64 AT yahoo DOT com> <3c64b7cf DOT sandmann AT clio DOT rice DOT edu>
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Date:	Sat, 09 Feb 2002 12:07:01 GMT
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To:	djgpp AT delorie DOT com
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Charles Sandmann wrote:
> 
> > A while ago I also reported a problem with freeing many items in
> > no particular order. It became highly noticeable at about 20,000
> > items on my machine, and impossible by 50,000. If you want code to
> > provoke it I can provide it.  LCC-Win32 acts the same way, but the
> > limit is much higher under VC6.
> 
> A patch to the code would be preferred; or at least a profiling of
> the behavior to identify the locations where the time is spent.
> It sounds like some nasty o(n**2) or o(n**3) algorithm issue.
> 
> Everyone on the development team has a long list of things they
> are working on - so unless someone adopts the problem or someone
> provides a patch, it's likely to remain slow.

I scanned quickly through djlsr203.zip without seeing anything
meaningful to me.  I am not in the least familiar with the
runtime.  On first principles I suspect it has something to do
with combining free spaces.  Note there is no problem when
abandoning the program and letting the OS do the recovery.

-- 
Chuck F (cbfalconer AT yahoo DOT com) (cbfalconer AT XXXXworldnet DOT att DOT net)
   Available for consulting/temporary embedded and systems.
   (Remove "XXXX" from reply address. yahoo works unmodified)
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