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Date:	Tue, 14 Nov 2000 05:32:08 -0800 (PST)
From:	Earnie Boyd <earnie_boyd AT yahoo DOT com>
Subject:	Re: -fnative-struct improves timings slightly.
To:	cygwin-developers AT cygwin DOT com
MIME-Version:	1.0

--- Christopher Faylor <cgf AT redhat DOT com> wrote:
> On Mon, Nov 13, 2000 at 10:49:58AM -0800, Earnie Boyd wrote:
> >There's been talk about -fnative-struct switch on the MinGW list and I
> thought
> >I'd give it a try when building Cygwin.  Here are the timings:
> >
> >Before -fnative-struct:
> >        User time (seconds): 536.17
> >        System time (seconds): 593.31
> >        Percent of CPU this job got: 60%
> >        Elapsed (wall clock) time (h:mm:ss or m:ss): 31:16.34
> >
> >After -fnative-struct:
> >        User time (seconds): 529.86
> >        System time (seconds): 469.90
> >        Percent of CPU this job got: 61%
> >        Elapsed (wall clock) time (h:mm:ss or m:ss): 26:52.60
> >
> >BTW, FYI, the discussion in MinGW suggests that -fnative-struct improves
> >intercompatibility with MSVC.
> 
> This switch is not in the main gcc sources.  Apparently it is one of
> the additions that Mumit made to "his" version of gcc.  That's what
> we're using currently for cygwin but it's apt to disppear unless
> someone champions getting this into the main repository.
> 

A patch was supplied to GCC by Donn Terry of Interix.Com.  See
http://gcc.gnu.org/ml/gcc-patches/1999-06n/msg00702.html.

Cheers,

=====
Earnie Boyd
mailto:earnie_boyd AT yahoo DOT com

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