Messages in this thread | | | Date | Mon, 31 Oct 2011 11:19:07 +0800 | From | Yong Zhang <> | Subject | Re: Re: HT (Hyper Threading) aware process scheduling doesn't work as it should |
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On Sun, Oct 30, 2011 at 10:29:23PM +0000, Artem S. Tashkinov wrote: > > On Oct 31, 2011, Arjan van de Ven wrote: > > > > On Sun, 30 Oct 2011 19:57:12 +0000 (GMT) > > "Artem S. Tashkinov" 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) > > In my initial message I was talking about completely unrelated tasks/ > processes which share no data/instructions/whatever else. You don't > need to trust my test case as you can carry out this test on your own.
(Cc'ing more people)
Maybe you can also show your test case here?
Thanks, Yong
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