Follow-up to the big reorg PR #448

Job	Run time
prepare	3s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=native)	1m 27s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=x86-64)	1m 10s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=native)	1m 4s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=x86-64)	1m 3s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=native)	1m 46s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=x86-64)	1m 14s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=native)	57s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=x86-64)	1m 5s
Build with Pip (windows-2022, 3.8, msvc, /arch:AVX2)	11m 7s
Build with Pip (windows-2022, 3.8, msvc, /arch:SSE2)	11m 25s
Build with Pip (windows-2022, 3.8, llvm, /arch:AVX2)	12m 23s
Build with Pip (windows-2022, 3.8, llvm, /arch:SSE2)	12m 10s
Build with Pip (windows-2022, 3.11, msvc, /arch:AVX2)	11m 46s
Build with Pip (windows-2022, 3.11, msvc, /arch:SSE2)	12m 56s
Build with Pip (windows-2022, 3.11, llvm, /arch:AVX2)	12m 35s
Build with Pip (windows-2022, 3.11, llvm, /arch:SSE2)	12m 22s
Build with Pip (macos-13, 3.8, llvm, -march=native)	3m 6s
Build with Pip (macos-13, 3.8, llvm, -march=x86-64)	3m 23s
Build with Pip (macos-13, 3.8, gcc-14, -march=native)	3m 17s
Build with Pip (macos-13, 3.8, gcc-14, -march=x86-64)	2m 9s
Build with Pip (macos-13, 3.11, llvm, -march=native)	4m 27s
Build with Pip (macos-13, 3.11, llvm, -march=x86-64)	3m 53s
Build with Pip (macos-13, 3.11, gcc-14, -march=native)	2m 48s
Build with Pip (macos-13, 3.11, gcc-14, -march=x86-64)	2m 10s
	2h 11m 46s

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