[Wrf-users] WRF Benchmark, Recommended RAM per core

[Abdullah Kahraman]

Dear Julio,

* Amount of optimum RAM is a function of your domain size. The more grid
points you have, the more RAM you need (without using virtual memory, to
avoid slow processing).
* Hyperthreading doesn't help in WRF. Even some say it is slightly slower.
You can disable it from BIOS.

Best,
Abdullah.

-- 
Abdullah Kahraman
Meteorological Engineer
Turkish State Meteorological Service
Istanbul, Turkey
web: http://www.meteogreen.com
twitter.com/meteogreen

On Mon, Dec 5, 2016 at 6:00 PM, Julio Castro <jcastro at gac.cl> wrote:

> Dear Users,
>
>
>
>
>
> Do you have a rough estimation for the recommended Gb RAM per core for
> running WRF?
>
>
>
> I have 24 cores (2 CPUs), 48 threads (using or not using hyper threading
> is also another  question)
>
> 64 Gb RAM
>
> Intel(R) Xeon(R) CPU E5-2687W v4 @ 3.00GHz
>
>
>
>
>
> I'm using 48 threads with 6 WRF runs (8 threads per run). My guess is that
> with 60 % of the threads my machine almost run out of RAM.
>
>
>
> Many thanks
>
>
>
> *Julio Castro M.*
>
> Ingeniero Civil, MSc., PhD.
>
> Jefe del Área de Modelación y Calidad del Aire
>
> [image: cid:83969B68-5B60-49B4-AE8A-CFDE16B1D669]
>
> Padre Mariano 103, Of. 307
> Providencia, Santiago
> Fono: +56 2 27195 610
> Fax: +56 2 22351 100
> www.gac.cl
>
>
>
>
>
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>
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