Using icc will not change anything unless there is a bug in the gcc version. I personally never build Open MPI with icc as it is slow and provides no benefit over gcc these days. I do, however, use ifort for the Fortran bindings.
-Nathan > On Apr 10, 2018, at 5:56 AM, Reuti <re...@staff.uni-marburg.de> wrote: > > >>> Am 10.04.2018 um 13:37 schrieb Noam Bernstein <noam.bernst...@nrl.navy.mil>: >>> >>>> On Apr 10, 2018, at 4:20 AM, Reuti <re...@staff.uni-marburg.de> wrote: >>>> >>>> >>>>> Am 10.04.2018 um 01:04 schrieb Noam Bernstein >>>>> <noam.bernst...@nrl.navy.mil>: >>>>> >>>>> On Apr 9, 2018, at 6:36 PM, George Bosilca <bosi...@icl.utk.edu> wrote: >>>>> >>>>> Noam, >>>>> >>>>> I have few questions for you. According to your original email you are >>>>> using OMPI 3.0.1 (but the hang can also be reproduced with the 3.0.0). >>>> >>>> Correct. >>>> >>>>> Also according to your stacktrace I assume it is an x86_64, compiled with >>>>> icc. >>>> >>>> x86_64, yes, but, gcc + ifort. I can test with gcc+gfortran if that’s >>>> helpful. >>> >>> Was there any reason not to choose icc + ifort? >> >> For historical reasons, we only bought ifort, not the complete compiler >> suite. But VASP is 99% fortran, so I doubt it makes a difference in this >> case. > > I see. Sure it's nothing which would change the behavior of VASP, but maybe > the interplay with Open MPI compiled with gcc. I try in my compilations to > stay with one vendor, being it GCC, PGI or Intel. > > Looks like icc/icpc is freely available now: > https://software.intel.com/en-us/system-studio/choose-download#technical > Choosing Linux + Linux as platform to develop and execute seems to be the > full icc/icpc incl. the MKL (except the Fortran libs and scaLAPACK – but both > are freely available in another package). Only point to take care of, is the > location intel/system_studio_2018 where the usual compiler directories are > located and not one level above. > > -- Reuti > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/users _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users
