Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 24 Apr 2001 07:23:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 24 Apr 2001 07:23:27 -0400 Received: from adsl-64-123-58-70.dsl.stlsmo.swbell.net ([64.123.58.70]:29166 "EHLO bigandy.swbell.net") by vger.kernel.org with ESMTP id ; Tue, 24 Apr 2001 07:23:20 -0400 Date: Tue, 24 Apr 2001 06:19:31 -0500 (CDT) From: Andy Carlson To: Mark Hahn cc: linux-kernel@vger.kernel.org Subject: Re: Matrox FB console driver In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org time prime before x real 1m23.535s user 0m40.550s sys 0m42.980s /proc/mtrr before x reg00: base=0x00000000 ( 0MB), size= 256MB: write-back, count=1 reg01: base=0xfd800000 (4056MB), size= 4MB: write-combining, count=1 time prime after x real 0m48.732s user 0m41.070s sys 0m7.690s /proc/mtrr after x reg00: base=0x00000000 ( 0MB), size= 256MB: write-back, count=1 reg01: base=0xfd800000 (4056MB), size= 4MB: write-combining, count=1 time prime in X real 0m42.835s user 0m41.180s sys 0m1.710s /proc/version Linux version 2.4.3-ac12 (root@bigandy) (gcc version 2.95.2 19991024 (release)) #15 SMP Mon Apr 23 19:35:33 CDT 2001 /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 1 model name : Pentium Pro stepping : 9 cpu MHz : 199.312 cache size : 512 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov bogomips : 397.31 processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 1 model name : Pentium Pro stepping : 7 cpu MHz : 199.312 cache size : 512 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov bogomips : 398.13 Andy Carlson |\ _,,,---,,_ naclos@swbell.net ZZZzz /,`.-'`' -. ;-;;,_ BJC Health System |,4- ) )-,_. ,\ ( `'-' St. Louis, Missouri '---''(_/--' `-'\_) Cat Pics: http://andyc.dyndns.org On Mon, 23 Apr 2001, Mark Hahn wrote: > > I was playing around with a program that I was using to time differences > > between kernels (a silly prime program that puts out 1000000 primes). I > > noticed a very strange behaviour. On a fresh boot, with the Penguin > > pictures that the Matrox FB driver puts up, the prime program runs > > 1 minute, 30 seconds. If I reset, it still runs 1M30S. If I start X, > > and exit, it runs 48 seconds. Is this a known behaviour? Thanks. > > do you mean that running and exiting X makes your computer faster? > is /proc/mtrr sane at both times? > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/