tests

Confine SIMD code to runtime-dispatched tiers (fixes #628) #2185

Job	Run time
coverage	3m 54s
canceller	4s
tests-Windows-CLI (mingw64, x86_64, 3.9)	19m 48s
tests-Windows-GUI (ucrt64, ucrt-x86_64)	14m 40s
tests-Windows-GUI (mingw64, x86_64)	13m 30s
tests-Windows-CLI (ucrt64, ucrt-x86_64, 3.9)	18m 32s
tests-Unix-CLI (ubuntu-22.04, 9, 3.9)	7m 34s
tests-Unix-CLI (macos-26, 3.13)	5m 12s
tests-windows-latest-pacman (mingw64, x86_64)	1m 53s
tests-Unix-CLI (macos-14, 3.9)	5m 52s
tests-windows-latest-pacman (ucrt64, ucrt-x86_64)	2m 0s
tests-Unix-GUI (ubuntu-22.04, 5.9.5, 9)	11m 10s
tests-Unix-CLI (ubuntu-24.04, 12, 3.12)	7m 53s
tests-Unix-GUI (macos-15-intel, 6.7.3)	9m 24s
tests-Unix-GUI (ubuntu-22.04, 5.15.2, 12)	10m 49s
tests-Unix-GUI (macos-14, 6.7.3)	5m 3s
tests-Unix-GUI (ubuntu-22.04, 6.8.2, 12)	11m 42s
tests-Unix-GUI (macos-26, 6.9.2)	7m 27s
	2h 36m 27s

Provide feedback