Heat equation smoothing of IC #1901

Job	Run time
Detect File Changes	6s
Self Hosted (cpu, gt)	52m 18s
Github (ubuntu, mpi, debug, true)	52m 0s
Self Hosted (gpu, gt)	1h 4m 36s
Github (ubuntu, mpi, debug, false)	2h 12m 9s
Self Hosted (gpu, frontier)	1s
Github (ubuntu, mpi, no-debug, true)	1h 11m 56s
Github (ubuntu, mpi, no-debug, false)	1h 49m 48s
Github (macos, mpi, debug, false)	47m 58s
Github (macos, mpi, no-debug, false)	58m 46s
Github (ubuntu, no-mpi, single, no-debug, false)	21m 24s
	10h 11m 2s

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