Source-to-source #1047

Job	Run time
Performance (hand_written)	22m 27s
Performance (inter-AD)	10m 14s
Performance (derived)	12m 52s
basic	6m 45s
rrules	5m 18s
integration_testing/misc	58m 23s
integration_testing/diff_tests	5m 25s
integration_testing/distributions	6m 7s
integration_testing/gp	10m 39s
integration_testing/special_functions	2m 22s
integration_testing/array	9m 58s
integration_testing/turing	7m 16s
	2h 37m 46s

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