Use full MPI library for mpi-serial tests #2497
Labels
blocked: dependency
wait to work on this issue until another issue is resolved
tag: next
this issue should get some attention in the next week or two
tag: simple bfb
easy to fix, bit-for-bit
type: -discussion
Issue created mainly to create discussion on a topic.
type: code cleanup
improving internal code structure
type: enhancement
new capability or improved behavior of existing capability
type: tests
additions or changes to tests
Milestone
As discussed in CSEG we want to remove the use of mpi-serial in our tests and simulations. This is largely because modern MPI libraries allow you to link with the MPI library but still run serially WITHOUT using mpirun (mpiexec, mpibind, or any of the other flavors).
This depends on getting the mpirun update in cime here:
ESMCI/cime#4619
Or doing this explicitly for Derecho and Izumi in ccs_config.
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