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Date: Fri, 16 Feb 2001 10:59:49 -0500
To: Warren Young <warren AT etr-usa DOT com>, Cygwin-L <cygwin AT cygwin DOT com>
From: "Larry Hall (RFK Partners, Inc)" <lhall AT rfk DOT com>
Subject: Re: Optimizing away "ReadFile" calls when Make calls stat()
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At 04:34 AM 2/16/2001, Warren Young wrote:
>"Charles S. Wilson" wrote:
> > 
> > If I were porting an old app from unix to cygwin, and wanted to tune
> > performance, I'd much rather do this:
>
>Both you and Jonathan have understood my intent perfectly.  
>
>Christopher, please do consider this proposal.  It's easy to implement
>-- probably just a few tweaks on Egor's patch -- and it makes it easy to
>gain performance with straightforward patches to affected programs. 
>It'd be nice if we can make Cygwin faster, but this proposal has an
>inherent advantage: the calling process _knows_ what it wants, whereas
>Cygwin can only guess or anticipate.
>
>Egor, Jonathan, maybe some benchmarks would help convince Christopher of
>the patch's utility.



Chris sent some email about this yesterday.  He's looking at the possibility
of eliminating this problem without changing the API.



Larry Hall                              lhall AT rfk DOT com
RFK Partners, Inc.                      http://www.rfk.com
118 Washington Street                   (508) 893-9779 - RFK Office
Holliston, MA 01746                     (508) 893-9889 - FAX



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