>From my own experience with Intel HT-enabled chips I would recommend not to
take into account HT technology. I did not get any speedup at all comparing
to -np corresponding to physical core number. Furthermore, performance
decreased.
2011/4/12 Hopkins, Robert <hopkins.uhcl.edu>
> Thanks Jason for your background on this issue. It looks like I really
> have to experiment with -np 2, 4 etc.
>
> Bob Hopkins
>
>
> -----Original Message-----
> From: Jason Swails [mailto:jason.swails.gmail.com]
> Sent: Tuesday, April 12, 2011 12:00 PM
> To: AMBER Mailing List
> Subject: [Possible Spam: 10%] Re: [AMBER] Processors, cores and threads
>
> Hi Bob,
>
> You can actually run as many threads as you want, the hyperthreading
> label
> just says that the cores can handle 2 threads fairly efficiently. How
> efficiently, I'm not sure.
>
>
--
Sincerely,
Dmitry Mukha
Institute of Bioorganic Chemistry, NAS, Minsk, Belarus
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Received on Wed Apr 13 2011 - 02:00:02 PDT
