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Date: Tue, 14 Nov 2000 00:02:26 -0500
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin developers <cygwin-developers AT cygwin DOT com>
Subject: Re: -fnative-struct improves timings slightly.
Message-ID: <20001114000226.A28409@redhat.com>
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In-Reply-To: <20001113184958.4772.qmail@web106.yahoomail.com>; from earnie_boyd@yahoo.com on Mon, Nov 13, 2000 at 10:49:58AM -0800

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.

cgf