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[openbeos] Re: get_system_info() under Haiku question
- From: "Axel Dörfler" <axeld@xxxxxxxxxxxxxxxx>
- To: openbeos@xxxxxxxxxxxxx
- Date: Sun, 30 Oct 2005 22:49:13 +0100 CET
"Alexander G. M. Smith" <agmsmith@xxxxxxxxxx> wrote:
> Zenja Solaja wrote on Sun, 30 Oct 2005 23:24:29 +1100:
> > The question to Haiku - can the system differentiate SMT systems
> > (hyperthreading)?
> Will the OS schedule tasks smartly to virtual CPUs? The extra
> hyperthreads
> just aren't as good as a real CPU, so the scheduler should take that
> into
> account. How about processor affinity, which BeOS didn't have? That
> should cut down on CPU caches being wasted by unnecessary task
> movement
> between CPUs. At least with Haiku, if it's not in there then it is
> possible to add it!
Haiku will definitely get hyper threading support. I haven't yet looked
at CPU affinity yet, but it shouldn't be too hard to add it, either.
Bye,
Axel.
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