Various SO questions related to this issue: https://stackoverflow.com/questions/78868174/mpirun-runs-serial-jobs-instead-of-parallel-jobs https://stackoverflow.com/questions/78755724/mpi-comm-size-is-always-1 https://stackoverflow.com/questions/78815680/mpi-comm-size-always-returns-1-again
The issue is not limited to aarch64. The x86 build has the same issue. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2072338 Title: incorrect PMI configuration To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mpich/+bug/2072338/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
