CI build

Mostly memory improvements #2736

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Run time

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Job	Run time
build (3.10)	1m 36s
build (3.8)	2m 36s
build (3.9)	1m 37s
build (3.13)	1m 37s
build (3.11)	1m 36s
build (3.12)	1m 36s
	10m 38s