Dear Prof Paulatto, I installed QE6.1 without openmp option but its still giving the same error. Any advice?
Thank you. Rajesh On Sun, Oct 15, 2017 at 5:47 PM, Rajesh <creativeidlemi...@gmail.com> wrote: > Ok. Thank you Prof Paulatto. > > On Sun, Oct 15, 2017 at 5:33 PM, Lorenzo Paulatto <paul...@gmail.com> > wrote: > >> Quantum-espresso has been using MPI long before openmp, as a result the >> MPI parallelism is more developped and more stable. I think you can stick >> to just MPI with good result, even on a single workstation. >> >> hth >> >> >> On 15/10/17 08:11, Rajesh wrote: >> >> 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 <paul...@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 >>> >>> _______________________________________________ >>> Pw_forum mailing list >>> Pw_forum@pwscf.org >>> http://pwscf.org/mailman/listinfo/pw_forum >>> >> >> >> >> _______________________________________________ >> Pw_forum mailing >> listPw_forum@pwscf.orghttp://pwscf.org/mailman/listinfo/pw_forum >> >> >> -- >> Lorenzo Paulatto - Paris >> >> >> _______________________________________________ >> Pw_forum mailing list >> Pw_forum@pwscf.org >> http://pwscf.org/mailman/listinfo/pw_forum >> > >
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