GPU performance improvements #104

Job	Run time
prepare	3s
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 27s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=native)	1m 15s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=x86-64)	1m 15s
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 30s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=native)	1m 18s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=x86-64)	1m 35s
Build with Pip (windows-2022, 3.8, msvc, /arch:AVX2)	7m 6s
Build with Pip (windows-2022, 3.8, msvc, /arch:SSE2)	9m 42s
Build with Pip (windows-2022, 3.8, llvm, /arch:AVX2)	4m 36s
Build with Pip (windows-2022, 3.8, llvm, /arch:SSE2)	4m 4s
Build with Pip (windows-2022, 3.11, msvc, /arch:AVX2)	7m 14s
Build with Pip (windows-2022, 3.11, msvc, /arch:SSE2)	7m 8s
Build with Pip (windows-2022, 3.11, llvm, /arch:AVX2)	4m 33s
Build with Pip (windows-2022, 3.11, llvm, /arch:SSE2)	4m 17s
Build with Pip (macos-13, 3.8, llvm, -march=native)	2m 50s
Build with Pip (macos-13, 3.8, llvm, -march=x86-64)	4m 31s
Build with Pip (macos-13, 3.8, gcc-14, -march=native)	1m 48s
Build with Pip (macos-13, 3.8, gcc-14, -march=x86-64)	1m 22s
Build with Pip (macos-13, 3.11, llvm, -march=native)	3m 24s
Build with Pip (macos-13, 3.11, llvm, -march=x86-64)	3m 1s
Build with Pip (macos-13, 3.11, gcc-14, -march=native)	1m 39s
Build with Pip (macos-13, 3.11, gcc-14, -march=x86-64)	1m 21s
	1h 20m 27s

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