From owner-freebsd-current Tue Jan 23 08:57:50 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id IAA01882 for current-outgoing; Tue, 23 Jan 1996 08:57:50 -0800 (PST) Received: from austin.polstra.com (austin.polstra.com [206.213.73.10]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id IAA01877 for ; Tue, 23 Jan 1996 08:57:42 -0800 (PST) Received: (from jdp@localhost) by austin.polstra.com (8.6.12/8.6.12) id IAA14384; Tue, 23 Jan 1996 08:57:41 -0800 To: freebsd-current@freebsd.org Path: not-for-mail From: jdp@polstra.com (John Polstra) Newsgroups: polstra.freebsd.current Subject: Re: dhrystone 2.1 result for gcc-2.7.2 with Pentium patches is poor Date: 23 Jan 1996 08:57:41 -0800 Organization: Polstra & Co., Seattle, WA Lines: 19 Distribution: local Message-ID: <4e3425$e1d@austin.polstra.com> References: Sender: owner-current@freebsd.org Precedence: bulk In article , Andreas Klemm wrote: > On a WWW Server I found a Pentium patch (gcc-2.7.2-2.7.2p-pl6.diff) > for gcc 2.7.2. My experience with dhrystone 2.1 are, that FreeBSD's > gcc 2.6.3 is a bit faster .... > > about 163000 Dhrystones with gcc 2.6.3 and "only" 161000 dhrystones > with the patches gcc 2.7.2 ... poor result. Other experiences ? I haven't tried those patches, but this kind of thing comes up regularly in compiler-related newsgroups. Look: the Dhrystone "benchmark" is _completely_ worthless and meaningless for today's compilers. You are wasting your time messing with it. It will only mislead you. John -- John Polstra jdp@polstra.com John D. Polstra & Co., Inc. Seattle, Washington USA "Self-knowledge is always bad news." -- John Barth