Describe the PR
Using node id as the mpi_tag causes an overflow. Instead, we use the default tag of 0.
Related Issues/PRs
This fixes #620 by using the default mpi_tag of 0. This OK because MPI guarantees the order of send, and we won't need the tag to identify the information. Order Messages are non-overtakinghttps://www.mpi-forum.org/docs/mpi-1.1/mpi-11-html/node41.html.
Describe the PR Using node id as the
mpi_tag
causes an overflow. Instead, we use the default tag of 0.Related Issues/PRs This fixes #620 by using the default
mpi_tag
of 0. This OK because MPI guarantees the order of send, and we won't need the tag to identify the information.Order Messages are non-overtaking
https://www.mpi-forum.org/docs/mpi-1.1/mpi-11-html/node41.html.