activation intrinsics for neural networks #3361

Job	Run time
Build (ubuntu-latest, gcc, 10, cmake)	3m 31s
Build (ubuntu-latest, gcc, 11, cmake)	2m 25s
Build (ubuntu-latest, gcc, 12, cmake)	2m 47s
Build (ubuntu-latest, gcc, 13, cmake)	3m 5s
Build (ubuntu-latest, intel, 2024.1, cmake)	7m 48s
Build (ubuntu-latest, intel-classic, 2021.9, cmake)	7m 24s
Build (macos-13, gcc, 10, cmake)	4m 52s
Build (macos-13, gcc, 11, cmake)	5m 17s
Build (macos-13, gcc, 12, cmake)	6m 12s
Build (ubuntu-latest, cmake-inline, gcc, 10)	3m 10s
	46m 31s

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