RE: [Lmbench-users] Re: pipe performance regression on ia64

From: Zou, Nanhai <nanhai.zou_at_intel.com>
Date: 2005-01-19 14:24:20
> -----Original Message-----
> From: linux-ia64-owner@vger.kernel.org
> [mailto:linux-ia64-owner@vger.kernel.org] On Behalf Of Larry McVoy
> Sent: Wednesday, January 19, 2005 11:05 AM
> To: Linus Torvalds
> Cc: davidm@hpl.hp.com; carl.staelin@hp.com; Luck, Tony;
> lmbench-users@bitmover.com; linux-ia64@vger.kernel.org; Kernel Mailing
List
> Subject: Re: [Lmbench-users] Re: pipe performance regression on ia64
> 
> I'm very unthrilled with the idea of adding stuff to the release
benchmark
> which is OS specific.  That said, there is nothing to say that you
can't
> grab the benchmark and tweak your own test case in there to prove or
> disprove your theory.
> 

Maybe lmbench could add a feature that bw_pipe will fork CPU number of
children to measure the average throughput. 

This will give a much reasonable result when running bw_pipe on a SMP
Box, at least for Linux.

Zou Nan hai
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Received on Tue Jan 18 22:25:12 2005

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