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content-class:	urn:content-classes:message
Subject:	RE: ordinal linking for cygwin ld
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Date:	Sun, 28 Apr 2002 04:43:46 +1000
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From:	"Robert Collins" <robert DOT collins AT itdomain DOT com DOT au>
To:	"Ralf Habacker" <Ralf DOT Habacker AT freenet DOT de>,
	"Charles Wilson" <cwilson AT ece DOT gatech DOT edu>
Cc:	"Kde-Cygwin" <kde-cygwin AT kde DOT org>,
	"Binutils" <binutils AT sources DOT redhat DOT com>,
	"Cygwin-Apps" <cygwin-apps AT cygwin DOT com>
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> -----Original Message-----
> From: Ralf Habacker [mailto:Ralf DOT Habacker AT freenet DOT de] 
> Sent: Sunday, April 28, 2002 4:28 AM
> > 
> > Hangon, lets go back a bit. Why do you want ordinal-only 
> linking? For 
> > runtime or link-time performance? Or for on-disk import 
> library size? 
> > Or....
> runtime performance 

Ok, well then check this :
http://msdn.microsoft.com/msdnmag/issues/0500/hood/hood0500.asp article
out.

Linking by ordinal only gives a 2%-4% improvement. rebinding and
rebasing gives up to 18%.

So linking by ordinal only will help you a little. rebinding and
rebasing your .dll's will help much much more.

And infact, rebasing and rebinding makes the INT obsolete - because the
IAT is precalculated, so you can't get 22% by linking by ordinal and
rebinding and rebasing.

Rob

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