Merge pull request #280 from EinsteinToolkit/eschnett/max_grid_size #1094

Job	Run time
download-build-test (cpu, real32, debug)	10m 41s
download-build-test (cpu, real64, debug)	10m 35s
download-build-test (cpu, real64, optimize)	14m 31s
download-build-test (cuda, real32, debug)	20m 33s
download-build-test (cuda, real64, debug)	20m 48s
download-build-test (cuda, real64, optimize)	19m 47s
download-build-test (rocm, real64, debug)	15m 11s
download-build-test (rocm, real64, optimize)	16m 37s
	2h 8m 43s

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