[CIG-SEISMO] SpecFem3D Globe GPU System requirements

[Dimitri Komatitsch]

Dear Lukas,

You can find some recent benchmarks in 
https://www.overleaf.com/9136559nqfcpxtqrwzx#/33432931/

Best regards,
Dimitri.

On 07/19/2017 03:42 PM, Wiel, L.Y. van de (Lukas) wrote:
> Dear sir, madam,
> 
> at Utrecht University Seismology group we run SpecFem3D Globe and we are 
> looking at adding GPUs to our new cluster, just for this purpose (and to 
> teach (PhD-)students to write GPU code.)
> 
> To make a thoroughly motivated decision about this, we aim to compile 
> and run Specfem3D Globe both on a CUDA card and on an openCL-card. We 
> will measure the performance and see if there are significant 
> differences between the two. Has this perhaps already been done by you?
> 
> Section 2.2 of the manual is clean enough on how to do this.
> What would be the system requirements for the GPU? Is 4 GB enough? Do we 
> perhaps need 8, for running the benchmarks that are included in the tarball?
> 
> Thank you very much and best wishes,
> 
> Lukas van de Wiel
> 
> (scientific programmer of the Utrecht University Earth Sciences department)
> 
> 
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-- 
Dimitri Komatitsch, CNRS Research Director (DR CNRS)
Laboratory of Mechanics and Acoustics, Marseille, France
http://komatitsch.free.fr