Refactor/observation #104

Job	Run time
ubuntu-latest / intel / Debug-mpi(Yes)-mtln(Yes)-hdf(Yes)	20m 6s
ubuntu-latest / intel / Debug-mpi(No)-mtln(Yes)-hdf(Yes)	19m 30s
ubuntu-latest / intel / Release-mpi(Yes)-mtln(Yes)-hdf(Yes)	10m 5s
ubuntu-latest / intel / Release-mpi(No)-mtln(Yes)-hdf(Yes)	9m 13s
ubuntu-latest / gcc / Debug-mpi(Yes)-mtln(Yes)-hdf(Yes)	17m 13s
ubuntu-latest / gcc / Debug-mpi(No)-mtln(Yes)-hdf(Yes)	16m 52s
ubuntu-latest / gcc / Release-mpi(Yes)-mtln(Yes)-hdf(Yes)	12m 2s
ubuntu-latest / gcc / Release-mpi(No)-mtln(Yes)-hdf(Yes)	11m 59s
ubuntu-22.04 / intel-classic / Release-mpi(No)-mtln(No)-hdf(Yes)	7m 33s
ubuntu-latest / nvidia-hpc / Release-mpi(No)-mtln(No)-hdf(No)	10m 2s
	2h 14m 35s

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