Follow-up to the big reorg PR #447

Job	Run time
prepare	3s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=native)	1m 23s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=x86-64)	1m 31s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=native)	1m 21s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=x86-64)	1m 4s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=native)	1m 11s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=x86-64)	1m 23s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=native)	1m 4s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=x86-64)	1m 5s
Build with Pip (windows-2022, 3.8, msvc, /arch:AVX2)	10m 57s
Build with Pip (windows-2022, 3.8, msvc, /arch:SSE2)	11m 21s
Build with Pip (windows-2022, 3.8, llvm, /arch:AVX2)	12m 48s
Build with Pip (windows-2022, 3.8, llvm, /arch:SSE2)	11m 52s
Build with Pip (windows-2022, 3.11, msvc, /arch:AVX2)	12m 4s
Build with Pip (windows-2022, 3.11, msvc, /arch:SSE2)	11m 27s
Build with Pip (windows-2022, 3.11, llvm, /arch:AVX2)	12m 7s
Build with Pip (windows-2022, 3.11, llvm, /arch:SSE2)	12m 40s
Build with Pip (macos-13, 3.8, llvm, -march=native)	2m 40s
Build with Pip (macos-13, 3.8, llvm, -march=x86-64)	3m 38s
Build with Pip (macos-13, 3.8, gcc-14, -march=native)	3m 1s
Build with Pip (macos-13, 3.8, gcc-14, -march=x86-64)	1m 56s
Build with Pip (macos-13, 3.11, llvm, -march=native)	3m 49s
Build with Pip (macos-13, 3.11, llvm, -march=x86-64)	2m 42s
Build with Pip (macos-13, 3.11, gcc-14, -march=native)	1m 59s
Build with Pip (macos-13, 3.11, gcc-14, -march=x86-64)	2m 18s
	2h 7m 24s

Provide feedback