[Pw_forum] On the run of GPU version of QE

Filippo Spiga spiga.filippo at gmail.com
Wed Mar 26 16:13:06 CET 2014

On Mar 26, 2014, at 12:33 AM, Alexander G. Kvashnin <agkvashnin at gmail.com> wrote:
> mpirun -np 2 /qe-dir/bin/pw-gpu.x -in input > output
> And it will start with 2 MPI process and get 2 GPUs on my host. Is it correct?

Yes. But if 2 MPI processes are enough to run the calculation I suggest to run the code in serial. The GPU acceleration will be probably faster.


Mr. Filippo SPIGA, M.Sc.
http://www.linkedin.com/in/filippospiga ~ skype: filippo.spiga

«Nobody will drive us out of Cantor's paradise.» ~ David Hilbert

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