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From: Luke-Jr <luke-jr@utopios.org>
To: gentoo-amd64@lists.gentoo.org
Subject: Re: [gentoo-amd64] x86_64 optimization patches for glibc.
Date: Tue, 26 Jul 2005 15:40:05 +0000
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On Monday 25 July 2005 22:38, Olivier Crete wrote:
> On Mon, 2005-25-07 at 22:24 +0000, Luke-Jr wrote:
> > On Saturday 23 July 2005 18:44, Brian Litzinger wrote:
> > > > On Sat, 2005-07-23 at 16:48 +0200, Simon Strandman wrote:
> > > > > Memory to memory copy rate = 1291.600098 MBytes / sec. Block size =
> > > > > Memory to memory copy rate = 2389.321777 MBytes / sec. Block size =
> > >
> > > Memory to memory copy rate = 1302.701782 MBytes / sec. Block size =
> > > Memory to memory copy rate = 2051.979980 MBytes / sec. Block size =
> >
> > Before: Memory to memory copy rate = 557.960449 MBytes / sec. Block size
> > = After:   Memory to memory copy rate = 1120.773804 MBytes / sec. Block
> > size =
> >
> > Anyone have a clue why I'm getting half what everyone else gets? o.O
>
> What kind of cpu/ram/motherboard do you have ?

RAM: 2875MB/1002MB (286%) used (I didn't see swapping during the test, tho)
Motherboard: Asus K8V-SE
CPU: AMD Athlon(tm) 64 Processor 3200+ (2202.876 MHz)

On Tuesday 26 July 2005 02:54, Brian Litzinger wrote:
> One of the arguments to memcpy is the clock rate in MHz of *your* CPU.
> Did you adjust it appropriate for your system?

memtst 2200 1000 1048576

so, yes... unless it's expecting the "Intel equivalent" 3200 number...
-- 
Luke-Jr
Developer, Utopios
http://utopios.org/
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