GPU performance improvements #107

Job	Run time
prepare	2s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=native)	1m 40s
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 38s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=x86-64)	1m 18s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=native)	1m 29s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=x86-64)	1m 27s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=native)	1m 20s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=x86-64)	1m 30s
Build with Pip (windows-2022, 3.8, msvc, /arch:AVX2)	7m 4s
Build with Pip (windows-2022, 3.8, msvc, /arch:SSE2)	7m 9s
Build with Pip (windows-2022, 3.8, llvm, /arch:AVX2)	4m 33s
Build with Pip (windows-2022, 3.8, llvm, /arch:SSE2)	4m 10s
Build with Pip (windows-2022, 3.11, msvc, /arch:AVX2)	7m 48s
Build with Pip (windows-2022, 3.11, msvc, /arch:SSE2)	7m 44s
Build with Pip (windows-2022, 3.11, llvm, /arch:AVX2)	4m 53s
Build with Pip (windows-2022, 3.11, llvm, /arch:SSE2)	3m 59s
Build with Pip (macos-13, 3.8, llvm, -march=native)	3m 8s
Build with Pip (macos-13, 3.8, llvm, -march=x86-64)	3m 47s
Build with Pip (macos-13, 3.8, gcc-14, -march=native)	1m 28s
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 29s
Build with Pip (macos-13, 3.11, llvm, -march=x86-64)	3m 37s
Build with Pip (macos-13, 3.11, gcc-14, -march=native)	1m 25s
Build with Pip (macos-13, 3.11, gcc-14, -march=x86-64)	1m 29s
	1h 19m 7s

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