[Pw_forum] error # 1 no scalar fft driver specified

[Rajesh]

Dear Prof Paulatto ,

Than you for your response. I need to use qe for openmpi as well openmp but
on separate workstations. I think openmp works better on multi-cpu pc and
openmpi on multi node clusters. I am right?

Thank you.

On Sun, Oct 15, 2017 at 12:42 AM, Lorenzo Paulatto <paulatz at gmail.com>
wrote:

> On 14/10/17 09:15, Rajesh wrote:
> > Dear Prof Giannozzi,
> > Thank you for your reply. But I need openmpi parallelization.
>
> openmpi is NOT OpenMP, the former is an open-source implementation of
> MPI, the later is shared-memory vectorization based on compile-time
> instructions. The first is required to run in parallel, you need both
> for huge number of CPUs.
>
> What do you need exactly ?
>
> --
> Lorenzo Paulatto - Paris
>
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