Gentoo Logo
Gentoo Spaceship




Note: Due to technical difficulties, the Archives are currently not up to date. GMANE provides an alternative service for most mailing lists.
c.f. bug 424647
List Archive: gentoo-amd64
Navigation:
Lists: gentoo-amd64: < Prev By Thread Next > < Prev By Date Next >
Headers:
To: gentoo-amd64@g.o
From: Luke-Jr <luke-jr@...>
Subject: Re: x86_64 optimization patches for glibc.
Date: Tue, 26 Jul 2005 15:40:05 +0000
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/
-- 
gentoo-amd64@g.o mailing list


Replies:
Re: x86_64 optimization patches for glibc.
-- Duncan
References:
x86_64 optimization patches for glibc.
-- Simon Strandman
Re: x86_64 optimization patches for glibc.
-- Luke-Jr
Re: x86_64 optimization patches for glibc.
-- Olivier Crete
Navigation:
Lists: gentoo-amd64: < Prev By Thread Next > < Prev By Date Next >
Previous by thread:
Re: x86_64 optimization patches for glibc.
Next by thread:
Re: x86_64 optimization patches for glibc.
Previous by date:
Re: x86_64 optimization patches for glibc.
Next by date:
Re: x86_64 optimization patches for glibc.


Updated Jun 17, 2009

Summary: Archive of the gentoo-amd64 mailing list.

Donate to support our development efforts.

Copyright 2001-2013 Gentoo Foundation, Inc. Questions, Comments? Contact us.