GPU performance improvements #110

Job	Run time
prepare	5s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=native)	1m 41s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=x86-64)	1m 31s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=native)	1m 18s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=x86-64)	1m 38s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=native)	1m 44s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=x86-64)	1m 52s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=native)	1m 25s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=x86-64)	1m 43s
Build with Pip (windows-2022, 3.8, msvc, /arch:AVX2)	6m 29s
Build with Pip (windows-2022, 3.8, msvc, /arch:SSE2)	7m 19s
Build with Pip (windows-2022, 3.8, llvm, /arch:AVX2)	4m 45s
Build with Pip (windows-2022, 3.8, llvm, /arch:SSE2)	4m 23s
Build with Pip (windows-2022, 3.11, msvc, /arch:AVX2)	6m 26s
Build with Pip (windows-2022, 3.11, msvc, /arch:SSE2)	6m 36s
Build with Pip (windows-2022, 3.11, llvm, /arch:AVX2)	4m 19s
Build with Pip (windows-2022, 3.11, llvm, /arch:SSE2)	4m 4s
Build with Pip (macos-13, 3.8, llvm, -march=native)	3m 7s
Build with Pip (macos-13, 3.8, llvm, -march=x86-64)	4m 3s
Build with Pip (macos-13, 3.8, gcc-14, -march=native)	1m 24s
Build with Pip (macos-13, 3.8, gcc-14, -march=x86-64)	1m 40s
Build with Pip (macos-13, 3.11, llvm, -march=native)	3m 2s
Build with Pip (macos-13, 3.11, llvm, -march=x86-64)	5m 21s
Build with Pip (macos-13, 3.11, gcc-14, -march=native)	1m 49s
Build with Pip (macos-13, 3.11, gcc-14, -march=x86-64)	1m 22s
	1h 19m 6s

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