GPU performance improvements #105

Job	Run time
prepare	4s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=native)	1m 52s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=x86-64)	1m 42s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=native)	1m 29s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=x86-64)	1m 19s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=native)	1m 43s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=x86-64)	1m 45s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=native)	1m 31s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=x86-64)	4m 0s
Build with Pip (windows-2022, 3.8, msvc, /arch:AVX2)	7m 30s
Build with Pip (windows-2022, 3.8, msvc, /arch:SSE2)	7m 26s
Build with Pip (windows-2022, 3.8, llvm, /arch:AVX2)	4m 20s
Build with Pip (windows-2022, 3.8, llvm, /arch:SSE2)	4m 39s
Build with Pip (windows-2022, 3.11, msvc, /arch:AVX2)	6m 59s
Build with Pip (windows-2022, 3.11, msvc, /arch:SSE2)	6m 55s
Build with Pip (windows-2022, 3.11, llvm, /arch:AVX2)	5m 9s
Build with Pip (windows-2022, 3.11, llvm, /arch:SSE2)	5m 12s
Build with Pip (macos-13, 3.8, llvm, -march=native)	3m 14s
Build with Pip (macos-13, 3.8, llvm, -march=x86-64)	7m 5s
Build with Pip (macos-13, 3.8, gcc-14, -march=native)	1m 33s
Build with Pip (macos-13, 3.8, gcc-14, -march=x86-64)	1m 29s
Build with Pip (macos-13, 3.11, llvm, -march=native)	3m 53s
Build with Pip (macos-13, 3.11, llvm, -march=x86-64)	3m 56s
Build with Pip (macos-13, 3.11, gcc-14, -march=native)	1m 22s
Build with Pip (macos-13, 3.11, gcc-14, -march=x86-64)	1m 38s
	1h 27m 45s

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