[Wien] Hardware (i7-7700k?) for WIEN2k

[Yundi Quan]

hi,

4 cores with 8 threads is probably OK for using WIEN2k to study transition
metal oxides. For post-processing tools, such as wien2wannier, it requires
more memory. But 64 GB is enough in most cases. I once bought a Dell XPS
with 4 cores and 8 threads, 16 GB memory back in 2011. It worked well for
most of my calculations. Hope this helps.




On Mon, Sep 18, 2017 at 2:44 PM, Karsten Küpper <kkuepper at uos.de> wrote:

> Dear WIEN2k-community,
>
> We want to buy a workstation dedicated to run WIEN2k.
> Our aim is to calculate mostly transition metal oxides with unit cells
> ranging from 24 - 128 atoms supercells.
> We are thinking about a workstation with at least 4 cores, at least 64 GB
> RAM, and a 1TB SSD as a starting point.
>
> 1) May that be a reasonable choice?
>
> 2) Has anybody experiences with the i7-7700K 4.2 GHz (maybe also compared
> to Intel-Xeon E5-2623 processors),  as there is no benchmark test available
> on the WIEN2k homepage by now.
>
> Thanks for your efforts in advance!
>
> Kind regards
> Karsten Küpper
>
>
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