mattijs authored Nov 24, 2022 and Andrew Heather committed Nov 21, 2023

- code is compiled dynamically on the master node.
  In the normal (non-distributed) case, simply poll the NFS
  to see when it appears on the sub-procs.

  For a case with distributed roots, first broadcast it (via MPI)
  to the IO master nodes and then poll afterwards.

- on startup, detect and create missing processorXXX/ subdirectories
  on distributed filesystems