Re: [linux-audio-dev] Real-Time IPC benchs

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Subject: Re: [linux-audio-dev] Real-Time IPC benchs
From: Robert Jonsson (robert.jonsson_AT_dataductus.se)
Date: Tue Sep 04 2001 - 14:40:48 EEST

Hi,

very interesting reading.

There seem to be some data corruption though.

in the multiclient page in the "next latency" box the Linux latency
value is 6 in the Win98 comparison case, and 12 in the Win2000
comparison. Which is right?
--DOH! my fault, it's tested on different machines, perhaps it should be
marked better?

Also the text for the Win98 test has a cut/paste error from the win2000
test.

As for Linux marketing material, was the Linux kernel low-latency
patched (doesn't look that way)? (not that I know if it makes any
difference?).

Regards
/Robert

Dominique Fober wrote:

>In order to evaluate a possible important architecture change for the MidiShare
>kernel developped at Grame (http://www.grame.fr/MidiShare/), we have measured
>inter processus communication (IPC) real-time performances on different operating
>systems, including GNU/Linux, Windows 98, 2000, NT 4.0 and MacOS X.
>The adopted point of view is based on a client/server model.
>Results can be viewed and downloaded at http://www.grame.fr/Research/IPCBenchs/
>
>----------------------------------------------
>Dominique Fober <fober_AT_grame.fr>
>----------------------------------------------
>GRAME - Centre National de Creation Musicale -
>9 rue du Garet 69001 Lyon France
>tel:+33 (0)4 720 737 06 fax:+33 (0)4 720 737 01
>
>

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