Re: [linux-audio-dev] Re: costs of IPC

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Subject: Re: [linux-audio-dev] Re: costs of IPC
From: Abramo Bagnara (abramo_AT_alsa-project.org)
Date: Wed May 16 2001 - 14:47:17 EEST

Steve Harris wrote:
>
> On Wed, May 16, 2001 at 12:21:05PM +0100, Steve Harris wrote:
> > The y axis is the difference (per worker) in CPU use % between the sp and
> > mp case. The x axis the size of the worker polution in k. Shared pollution
> > was 4k and stack 1k.
> >
> > I wouldn't like to draw any conclusions from that myself!
>
> And the version with 12 workers too, which makes it a bit clearer whats
> going on:
>
> http://plugin.org.uk/spmp/worker-diff3.png

The difference peak correspond to total_footprint == cache_size.

We have enough material for a PHD thesis ;-) 

-- 
Abramo Bagnara                       mailto:abramo_AT_alsa-project.org

Opera Unica                          Phone: +39.546.656023
Via Emilia Interna, 140
48014 Castel Bolognese (RA) - Italy

ALSA project               http://www.alsa-project.org
It sounds good!

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