Follow-up to the big reorg PR #430

Job	Run time
prepare	3s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=native)	1m 29s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=x86-64)	1m 28s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=native)	59s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=x86-64)	58s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=native)	1m 22s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=x86-64)	1m 33s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=native)	56s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=x86-64)	53s
Build with Pip (windows-2022, 3.8, msvc, /arch:AVX2)	11m 42s
Build with Pip (windows-2022, 3.8, msvc, /arch:SSE2)	11m 12s
Build with Pip (windows-2022, 3.8, llvm, /arch:AVX2)	12m 8s
Build with Pip (windows-2022, 3.8, llvm, /arch:SSE2)	13m 30s
Build with Pip (windows-2022, 3.11, msvc, /arch:AVX2)	12m 16s
Build with Pip (windows-2022, 3.11, msvc, /arch:SSE2)	12m 6s
Build with Pip (windows-2022, 3.11, llvm, /arch:AVX2)	12m 46s
Build with Pip (windows-2022, 3.11, llvm, /arch:SSE2)	12m 44s
Build with Pip (macos-13, 3.8, llvm, -march=native)	4m 27s
Build with Pip (macos-13, 3.8, llvm, -march=x86-64)	2m 59s
Build with Pip (macos-13, 3.8, gcc-14, -march=native)	2m 17s
Build with Pip (macos-13, 3.8, gcc-14, -march=x86-64)	1m 51s
Build with Pip (macos-13, 3.11, llvm, -march=native)	4m 4s
Build with Pip (macos-13, 3.11, llvm, -march=x86-64)	3m 45s
Build with Pip (macos-13, 3.11, gcc-14, -march=native)	1m 45s
Build with Pip (macos-13, 3.11, gcc-14, -march=x86-64)	2m 57s
	2h 12m 10s

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