Re: HT (Hyper Threading) aware process scheduling doesn't work asit should

From: Arjan van de Ven
Date: Sun Oct 30 2011 - 18:08:54 EST


On Sun, 30 Oct 2011 19:57:12 +0000 (GMT)
"Artem S. Tashkinov" <t.artem@xxxxxxxxx> wrote:

> Hello,
>
> It's known that if you want to reach maximum performance on HT
> enabled Intel CPUs you should distribute the load evenly between
> physical cores, and when you have loaded all of them you should then
> load the remaining virtual cores.

this is a bold statement, and patently false if you have to threads of
one process that heavily share data between eachother...
(but true for more independent workloads)


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Arjan van de Ven Intel Open Source Technology Centre
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