RE: AIM Bench Mark results for different kernels

Pavan Kumar Reddy N.S. (pavan.kumar@wipro.com)
Wed, 30 Oct 2002 14:46:37 +0530


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Hi Andrew,

Thanks for your feedback.

> -----Original Message-----
> From: Andrew Morton [mailto:akpm@digeo.com]=20
> Sent: Wednesday, October 30, 2002 12:19 PM
> To: Pavan Kumar Reddy N.S.
> Cc: kernelnewbies@nl.linux.org; linux-kernel@vger.kernel.org
> Subject: Re: AIM Bench Mark results for different kernels
>=20
>=20
> "Pavan Kumar Reddy N.S." wrote:
> >=20
> >=20
> > AIM Independent Resource Benchmark - Suite IX v1.1, January=20
> 22, 1996=20
> > Copyright (c) 1996 - 2001 Caldera International, Inc. All Rights=20
> > Reserved
> >=20
> >
>=20
> Thanks.
>=20
> This would be enormously less painful to read if you could=20
> fix your mailer to not word-wrap your content.

I will take care of this...

>=20
> All the compute-intensive workloads are down ~1% because of=20
> the increase of HZ from 100 to 1000.
>=20
> Things like "sequential disk reads (K)/second" would be more=20
> interesting if they were accompanied by CPU utilisation. But=20
> then, CPU utilisation comparisons with 2.4 kernels are=20
> suspect because of the HZ change. Probably it would be more=20
> informative if the 2.5 kernel was altered to run at HZ=3D100,=20
> or run 2.4 at HZ-1000.

I will rerun for all the kernels after changing the HZ as you
Mentioned above. I will try to give the CPU utilization
Information along with the above results.

>=20
> 2.5.43 outperformed 2.5.42 and 2.5.44 by a *lot* in many=20
> tests. That is unexpected. It might be worth double-checking=20
> that result.
>=20
I will.

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