Merge pull request #148 from streeve/fixup_mpi_types #521

Job	Run time
CUDA (Release, 3.7.02)	6m 1s
HIP (hipcc, Release, 3.7.02)	4m 16s
CI (ubuntu:latest, g++, SERIAL, Debug, 3.7.02, HDF5)	3m 34s
CI (ubuntu:latest, g++, SERIAL, Release, 3.7.02, HDF5)	2m 15s
CI (ubuntu:latest, g++, OPENMP, Debug, 3.7.02, HDF5)	2m 4s
CI (ubuntu:latest, g++, OPENMP, Release, 3.7.02, HDF5)	2m 25s
CI (ubuntu:latest, clang++, SERIAL, Debug, 3.7.02, HDF5)	1m 38s
CI (ubuntu:latest, clang++, SERIAL, Release, 3.7.02, HDF5)	2m 5s
CI (ubuntu:latest, clang++, OPENMP, Debug, 3.7.02, HDF5)	1m 55s
CI (ubuntu:latest, clang++, OPENMP, Release, 3.7.02, HDF5)	2m 20s
CI (ubuntu:latest, g++, SERIAL, Debug, 3.7.02, SILO)	1m 52s
CI (ubuntu:latest, g++, SERIAL, Debug, 3.7.02, NONE)	1m 58s
CI (ubuntu:latest, g++, SERIAL, Debug, 3.7.02, BOTH)	1m 56s
	34m 19s

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