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From: Craig Burley <burley@gnu.org>
To: frichard@bbn.com
Cc: egcs@cygnus.com, jvs@bbn.com, asolomon@bbn.com, kpowers@cygnus.com
Subject: Re: Cygnus Supported GCC vs. EGCS GCC
Date: Sat, 18 Oct 1997 11:58:00 -0000	[thread overview]
Message-ID: <199710181858.OAA24731@melange.gnu.org> (raw)
In-Reply-To: <199710140306.XAA29034@bluebell.bbn.com>

>I have the following question about the Cygnus Support version of GCC
>and the EGCS version on the Sun "Ultra 1 Model 170".  I compiled and
>ran an optimized version of a program with the following (approximate)
>relative speed performances: 
>
>COMPILER                                    SPEED
>===================================================================
>/opt/SUNWspro/bin/cc -fast:                 1.0         (baseline)
>FSF-GCC 2.7.2  (-02):                       1.4
>EGCS-GCC 971008 (-mcpu=ultrasparc -O2)      1.4
>
>So it appears that FSF-GCC 2.7.2 and EGCS-GCC 971008 are both about
>40% slower than the Sun compiler when using optimzation.  

If I believed the "SPEED" heading, I'd say it was 40% *faster*.
(That is, a *speed* of 14 mph would be faster, to me, than one
of 10 mph.)

Perhaps you should change your header to say "TIME"?  ;-)

        tq vm, (burley)

      parent reply	other threads:[~1997-10-18 11:58 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1997-10-13 20:18 Fred Richardson
1997-10-14 10:30 ` Jeffrey A Law
1997-10-14 12:55   ` Doug Evans
1997-10-14 12:55 ` Joe Buck
1997-10-14 12:55 ` Jim Wilson
1997-10-14 19:10   ` Neal Becker
1997-10-14 20:12     ` Jim Wilson
1997-10-14 21:03     ` Jeffrey A Law
1997-10-18 11:58 ` Craig Burley [this message]

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