From owner-freebsd-current Fri Sep 24 21:54: 8 1999 Delivered-To: freebsd-current@freebsd.org Received: from thequest.net (tnt094.thequest.net [205.198.52.221]) by hub.freebsd.org (Postfix) with ESMTP id AE59C15411 for ; Fri, 24 Sep 1999 21:54:03 -0700 (PDT) (envelope-from znh@thequest.net) Received: by thequest.net (Postfix, from userid 1005) id 4A5A420D4; Sat, 25 Sep 1999 04:36:43 +0000 (GMT) Date: Fri, 24 Sep 1999 23:36:43 -0500 From: "Zach N. Heilig" To: Darryl Okahata Cc: "Zach N. Heilig" , freebsd-current@FreeBSD.ORG Subject: Re: gcc optimizer in -current system ... Message-ID: <19990924233643.A17222@murkwood.znh.org> References: <19990924082958.A14943@murkwood.znh.org> <199909241543.IAA26573@mina.sr.hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.6i In-Reply-To: <199909241543.IAA26573@mina.sr.hp.com>; from Darryl Okahata on Fri, Sep 24, 1999 at 08:43:37AM -0700 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Fri, Sep 24, 1999 at 08:43:37AM -0700, Darryl Okahata wrote: > "Zach N. Heilig" wrote: > > > The application for the tests is mpg123. > > test mp3 playing time: 373 seconds. > [ ... ] > > 1) No Optimization > > 225.08 real 224.30 user 0.23 sys > [ ... ] > > 2) -O3 -mcpu=i486 -march=i486 -fomit-frame-pointer -fschedule-insns > > -fschedule-insns2 > > 141.92 real 141.43 user 0.10 sys > > What do these timings represent? As you say the mp3 playing time > is 373 seconds, but the "real" times vary, the timings don't appear to > be the playing/processing of the mp3 file. Oops, it is 'mpg123 -t' (decode, but don't do any output -- it doesn't go to sleep waiting for /dev/dsp, so it runs as fast as it can). -- Zach Heilig To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message