Common settings for fastmath, sharrow_skip, and other compute control… #702

Job	Run time
linux-64-py3.10	4m 55s
develop-docbuild	2m 35s
macOS	14m 42s
prototype_mtc	47m 39s
win-64	10m 5s
estimation_mode_test	15m 53s
placeholder_psrc	39m 34s
prototype_mtc	49m 47s
prototype_psrc_in_development	3m 44s
prototype_marin	1m 29s
random_seed_generation_test	2m 21s
prototype_mtc_extended	3h 14m 30s
placeholder_sandag	2h 19m 2s
prototype_sandag_xborder	5m 28s
production_semcog	5m 21s
prototype_mwcog	49m 51s
placeholder_multiple_zone	7m 35s
	9h 54m 31s

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