Fix 8 HPC-sensitive bugs: GPU kernels, MPI broadcast, domain decomposition #4645

Job	Run time
Lint Gate	1m 17s
Detect File Changes	11s
Github (ubuntu, mpi, debug, false)	24m 41s
Github (ubuntu, mpi, debug, true)	1s
Github (macos, mpi, debug, false)	29m 34s
Oak Ridge \| Frontier (cpu)	1s
Github (ubuntu, mpi, no-debug, false)	20m 51s
Github (macos, mpi, no-debug, false)	1s
Github (ubuntu, no-mpi, single, no-debug, false)	18m 20s
Oak Ridge \| Frontier (gpu-omp)	1s
Georgia Tech \| Phoenix (cpu)	29m 34s
Oak Ridge \| Frontier (AMD) (cpu)	29m 34s
Georgia Tech \| Phoenix (gpu-acc)	1s
Oak Ridge \| Frontier (AMD) (gpu-omp)	1s
Github (ubuntu, mpi, no-debug, true)	1s
Oak Ridge \| Frontier (gpu-acc)	1s
Georgia Tech \| Phoenix (gpu-omp)	29m 34s
	3h 3m 44s

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