GPU performance improvements #108

Job	Run time
prepare	2s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=native)	1m 44s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=x86-64)	1m 30s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=native)	1m 20s
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 38s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=x86-64)	1m 38s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=native)	1m 14s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=x86-64)	1m 14s
Build with Pip (windows-2022, 3.8, msvc, /arch:AVX2)	6m 22s
Build with Pip (windows-2022, 3.8, msvc, /arch:SSE2)	7m 21s
Build with Pip (windows-2022, 3.8, llvm, /arch:AVX2)	4m 26s
Build with Pip (windows-2022, 3.8, llvm, /arch:SSE2)	4m 33s
Build with Pip (windows-2022, 3.11, msvc, /arch:AVX2)	7m 28s
Build with Pip (windows-2022, 3.11, msvc, /arch:SSE2)	7m 47s
Build with Pip (windows-2022, 3.11, llvm, /arch:AVX2)	4m 32s
Build with Pip (windows-2022, 3.11, llvm, /arch:SSE2)	4m 46s
Build with Pip (macos-13, 3.8, llvm, -march=native)	4m 49s
Build with Pip (macos-13, 3.8, llvm, -march=x86-64)	4m 2s
Build with Pip (macos-13, 3.8, gcc-14, -march=native)	1m 19s
Build with Pip (macos-13, 3.8, gcc-14, -march=x86-64)	1m 30s
Build with Pip (macos-13, 3.11, llvm, -march=native)	3m 7s
Build with Pip (macos-13, 3.11, llvm, -march=x86-64)	4m 10s
Build with Pip (macos-13, 3.11, gcc-14, -march=native)	1m 27s
Build with Pip (macos-13, 3.11, gcc-14, -march=x86-64)	1m 21s
	1h 20m 39s

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