Fix 8 HPC-sensitive bugs: GPU kernels, MPI broadcast, domain decomposition #4572

Job	Run time
Lint Gate	1m 14s
Detect File Changes	11s
Github (ubuntu, no-mpi, single, no-debug, false)	28m 52s
Github (ubuntu, mpi, debug, true)	1h 4m 53s
Georgia Tech \| Phoenix (gpu-acc)	1s
Github (ubuntu, mpi, no-debug, false)	2h 15m 46s
Github (ubuntu, mpi, no-debug, true)	1h 33m 59s
Github (ubuntu, mpi, debug, false)	3h 46m 14s
Georgia Tech \| Phoenix (cpu)	1s
Github (macos, mpi, no-debug, false)	1h 32m 53s
Oak Ridge \| Frontier (gpu-omp)	1s
Oak Ridge \| Frontier (AMD) (gpu-omp)	1s
Github (macos, mpi, debug, false)	50m 39s
Oak Ridge \| Frontier (cpu)	1s
Georgia Tech \| Phoenix (gpu-omp)	1s
Oak Ridge \| Frontier (AMD) (cpu)	1s
Oak Ridge \| Frontier (gpu-acc)	7h 28m 3s
	19h 2m 51s

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