Refactor CPU code #833

Job	Run time
linux_gcc (ubuntu-latest, Debug)	4m 27s
linux_clang_mpopcnt (ubuntu-latest, Debug)	5m 49s
linux_128bit	10m 30s
linux_clang (ubuntu-latest, Debug)	5m 58s
linux_clang_mpopcnt (ubuntu-latest, Release)	2m 31s
linux_gcc (ubuntu-latest, Release)	1m 16s
linux_clang (ubuntu-latest, Release)	2m 40s
linux_gcc_mpopcnt (ubuntu-latest, Debug)	4m 27s
linux_gcc_sanitizers	3m 20s
linux_gcc_mpopcnt (ubuntu-latest, Release)	1m 19s
linux_gcc_valgrind	1m 31s
macos_clang (macos-latest, Debug)	2m 55s
macos_clang (macos-latest, Release)	1m 5s
windows_mingw64 (windows-latest, Debug)	9m 27s
windows_msvc2022	2m 8s
windows_mingw64 (windows-latest, Release)	3m 49s
windows_msvc2022_POPCNT	2m 56s
	1h 6m 8s

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