Re: Multi-processor detection
Re: Multi-processor detection
- Subject: Re: Multi-processor detection
- From: "David A. Hoatson" <email@hidden>
- Date: Fri, 1 Sep 2006 09:46:54 -0700
- Organization: Lynx Studio Technology, Inc.
Hello,
Please
try:
ItemCount MPProcessors ();
See:
http://developer.apple.com/documentation/Carbon/Reference/Multiprocessing_Services/index.html
Thank
you,
David A. Hoatson
----- Original Message -----
From:
"Ethan Funk" <email@hidden>
To: "CoreAudio API"
<email@hidden>
Sent: Friday, September 01, 2006 8:46
AM
Subject: Multi-processor detection
> I have been
playing with the DeferredRender AU and it seems to work
> VERY WELL
on a multi-processor machine for distributing my renders
> from
multiple AU sources across available processors - Thank you,
> Apple Folks! However, on a single processor machine, the
> DeferredRender AU appears to adds scheduling overhead (not
> surprising) that reduces the render performance noticeably.
>
> Is there a simple way to detect at run time if multiple
processors
> are available so my software can decide if it should
or should not
> use the DeferredRender AU?
>
>
Thanks,
> Ethan...
>
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