Mailing-List: contact cygwin-developers-help AT sourceware DOT cygnus DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-developers-owner AT sources DOT redhat DOT com Delivered-To: mailing list cygwin-developers AT sources DOT redhat DOT com Message-ID: <20001114133208.18986.qmail@web106.yahoomail.com> Date: Tue, 14 Nov 2000 05:32:08 -0800 (PST) From: Earnie Boyd Subject: Re: -fnative-struct improves timings slightly. To: cygwin-developers AT cygwin DOT com MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii --- Christopher Faylor 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 --- --- --- Cygwin: POSIX on Windows --- --- Minimalist GNU for Windows --- __________________________________________________ Do You Yahoo!? Yahoo! Calendar - Get organized for the holidays! http://calendar.yahoo.com/