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

[Zou, Nanhai]

> -----Original Message-----
> From: linux-ia64-owner@xxxxxxxxxxxxxxx
> [mailto:linux-ia64-owner@xxxxxxxxxxxxxxx] On Behalf Of Larry McVoy
> Sent: Wednesday, January 19, 2005 11:05 AM
> To: Linus Torvalds
> Cc: davidm@xxxxxxxxxx; carl.staelin@xxxxxx; Luck, Tony;
> lmbench-users@xxxxxxxxxxxx; linux-ia64@xxxxxxxxxxxxxxx; 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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