Load-balance, active-box windowing, block-structured AMR #8061

Job	Run time
Detect File Changes	9s
Georgia Tech \| Phoenix (NVHPC) (gpu-acc)	1h 30m 31s
Georgia Tech \| Phoenix (NVHPC) (gpu-omp)	1h 22m 15s
Oak Ridge \| Frontier (CCE) (gpu-acc)	44m 43s
Georgia Tech \| Phoenix (NVHPC) (cpu)	29m 51s
Oak Ridge \| Frontier (AMD) (gpu-omp)	1h 13m 58s
Oak Ridge \| Frontier (CCE) (gpu-omp)	49m 48s
	6h 11m 15s

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