[CP2K:5097] Re: how to improve CP2K scaling for small systems

[Alin Marin Elena]

Hi,

if you provide me the input I can try.

Alin

On Mon 24 Mar 2014 03:53:33 labicia wrote:
> Hi!
> 
> We have tried both threaded and non-threaded libraries. There is no
> difference.
> 
> We have new evidences that the problem responsible for the "bad" incore
> scaling behavior is the limited RAM-cache-processor communication:
> using a single-channel RAM configuration to run the ZIF8 system we get a
> slow down of 30% with respect to a dual-channel set up (for the same
> system).
> For this reason, in our future purchases we will move to quad-channel RAM
> configurations.
> 
> If someone has already a quad-channel system, he can try to study the CP2K
> scaling against number of RAM channels.
> 
> Best regards,
> Marco and Andrea

-- 
​Without Questions there are no Answers!
______________________________________________________________________
Dr. Alin Marin ELENA
http://alin.elenaworld.net/
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