Re: Make pipe data structure be a circular list of pages, ratherthan

[Davide Libenzi]

On Sat, 8 Jan 2005, Linus Torvalds wrote:

> Side note: the SMP numbers seem to fluctuate wildly making any
> benchmarking a bit suspect. They probably depend very much on just how
> things get scheduled, and on inter-CPU cache behaviour.

Lmbench results on SMP are bogus. OTOH you can easily make a more 
deterministic SMP pipe bench by making the two tasks affine to two 
different CPUs.


- Davide

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