[openbeos] Re: app_server: MMX/SSE help wanted
- From: "Axel Dörfler" <axeld@xxxxxxxxxxxxxxxx>
- To: openbeos@xxxxxxxxxxxxx
- Date: Mon, 09 Aug 2004 15:50:54 +0200 CEST
Adi Oanca <adioanca@xxxxxxxxxxxxxx> wrote:
> Now, I have another question(s):
> If GCC 3, app_server, media_kit and translators will all use MMX,
> how can we
> be sure they won't collide with each other? MMX runs in parallel with
> the CPU, but
> which thread has access to MMX registers? The kernel also manages
> this? How
> can MMX be used, do we need a separate thread with MMX loops only?
As I already tried to explain, you don't have to worry about that
stuff. A context switch will save those registers, too.
Bye,
Axel.
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