Yang, Are sure that you compiled deal.II with MPI support? Also can you post what you see when you do make VERBOSE=1
Best, Bruno On Wednesday, September 11, 2019 at 8:44:29 AM UTC-4, Yang Liu wrote: > > Dear Deal.II developers, > > Greetings! > > I am a new user of Deal.II. Currently I would like to test the hello world > program on Utilities::MPI. > > A minimum working example is attached to this email. > > However, when I run the command "mpirun -np 5 ./MPI_TEST", I get the > following message, > > Hello world from process 0 of 1 > Hello world from process 0 of 1 > Hello world from process 0 of 1 > Hello world from process 0 of 1 > Hello world from process 0 of 1 > > It seems that 5 cpu cores are used, however, they seemed to have the same > rank. > Besides, my operating system is Ubuntu 16.04. Looking forward to hearing > from you soon. Thank you! > > Best Regards, > > Yang Liu > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/00946786-1eac-4cd6-9871-8d705e1e913d%40googlegroups.com.
