Merge pull request #2892 from devitocodes/halo-comm-order #353

Job	Run time
pytest-mpi (pytest-mpi-docker-gcc)	30m 16s
pytest-mpi (pytest-mpi-docker-icx)	33m 11s
pytest-mpi (pytest-mpi-docker-gcc-arm)	22m 36s
pytest-mpi (3.10)	44m 42s
pytest-mpi (3.11)	41m 53s
	2h 52m 38s

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