Date: Fri, 25 Oct 2002 04:50:25 +1000
From: Simon Fowler <simon@himi.org>
To: linux-kernel@vger.kernel.org
Subject: Re: [CFT] faster athlon/duron memory copy implementation
Message-ID: <20021024185025.GB5667@himi.org>
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References: <3DB82ABF.8030706@colorfullife.com> <20021024184328.GA5667@himi.org>
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On Fri, Oct 25, 2002 at 04:43:28AM +1000, Simon Fowler wrote:
> On Thu, Oct 24, 2002 at 07:15:43PM +0200, Manfred Spraul wrote:
> > AMD recommends to perform memory copies with backward read operations=
=20
> > instead of prefetch.
> >=20
> > http://208.15.46.63/events/gdc2002.htm
> >=20
> > Attached is a test app that compares several memory copy implementation=
s.
> > Could you run it and report the results to me, together with cpu,=20
> > chipset and memory type?
> >=20
> > Please run 2 or 3 times.
> >=20
> simon@caccini:~/hacking$ cat /proc/cpuinfo=20
> processor       : 0
> vendor_id       : AuthenticAMD
> cpu family      : 6
> model           : 1
> model name      : AMD-K7(tm) Processor
> stepping        : 2
> cpu MHz         : 553.880
> cache size      : 512 KB
> fdiv_bug        : no
> hlt_bug         : no
> f00f_bug        : no
> coma_bug        : no
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 1
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmo=
v pat mmx syscall mmxext 3dnowext 3dnow
> bogomips        : 1104.28
>=20
00:00.0 Host bridge: Advanced Micro Devices [AMD] AMD-751 [Irongate] System=
 Controller (rev 25)
00:01.0 PCI bridge: Advanced Micro Devices [AMD] AMD-751 [Irongate] AGP Bri=
dge (rev 01)

Generic PC100 and PC133 DIMM - both 256MB.

Simon

--=20
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(crappy) Homepage: http://himi.org
doe #237 (see http://www.lemuria.org/DeCSS)=20
My DeCSS mirror: ftp://himi.org/pub/mirrors/css/=20

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