Follow-up to the big reorg PR #445

Job	Run time
prepare	3s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=native)	1m 38s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=x86-64)	1m 7s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=native)	1m 2s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=x86-64)	1m 29s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=native)	1m 41s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=x86-64)	1m 12s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=native)	1m 2s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=x86-64)	58s
Build with Pip (windows-2022, 3.8, msvc, /arch:AVX2)	11m 44s
Build with Pip (windows-2022, 3.8, msvc, /arch:SSE2)	11m 43s
Build with Pip (windows-2022, 3.8, llvm, /arch:AVX2)	11m 31s
Build with Pip (windows-2022, 3.8, llvm, /arch:SSE2)	12m 21s
Build with Pip (windows-2022, 3.11, msvc, /arch:AVX2)	11m 27s
Build with Pip (windows-2022, 3.11, msvc, /arch:SSE2)	12m 0s
Build with Pip (windows-2022, 3.11, llvm, /arch:AVX2)	11m 54s
Build with Pip (windows-2022, 3.11, llvm, /arch:SSE2)	12m 27s
Build with Pip (macos-13, 3.8, llvm, -march=native)	2m 51s
Build with Pip (macos-13, 3.8, llvm, -march=x86-64)	2m 48s
Build with Pip (macos-13, 3.8, gcc-14, -march=native)	1m 57s
Build with Pip (macos-13, 3.8, gcc-14, -march=x86-64)	2m 44s
Build with Pip (macos-13, 3.11, llvm, -march=native)	2m 46s
Build with Pip (macos-13, 3.11, llvm, -march=x86-64)	3m 44s
Build with Pip (macos-13, 3.11, gcc-14, -march=native)	1m 54s
Build with Pip (macos-13, 3.11, gcc-14, -march=x86-64)	2m 0s
	2h 6m 3s

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