GPU performance improvements #112

Job	Run time
prepare	20s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=native)	3m 17s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=x86-64)	2m 43s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=native)	3m 27s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=x86-64)	3m 5s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=native)	5m 14s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=x86-64)	3m 0s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=native)	2m 19s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=x86-64)	1m 53s
Build with Pip (windows-2022, 3.8, msvc, /arch:AVX2)	7m 13s
Build with Pip (windows-2022, 3.8, msvc, /arch:SSE2)	7m 22s
Build with Pip (windows-2022, 3.8, llvm, /arch:AVX2)	4m 8s
Build with Pip (windows-2022, 3.8, llvm, /arch:SSE2)	4m 46s
Build with Pip (windows-2022, 3.11, msvc, /arch:AVX2)	8m 28s
Build with Pip (windows-2022, 3.11, msvc, /arch:SSE2)	6m 37s
Build with Pip (windows-2022, 3.11, llvm, /arch:AVX2)	4m 48s
Build with Pip (windows-2022, 3.11, llvm, /arch:SSE2)	4m 19s
Build with Pip (macos-13, 3.8, llvm, -march=native)	3m 4s
Build with Pip (macos-13, 3.8, llvm, -march=x86-64)	5m 14s
Build with Pip (macos-13, 3.8, gcc-14, -march=native)	1m 40s
Build with Pip (macos-13, 3.8, gcc-14, -march=x86-64)	2m 15s
Build with Pip (macos-13, 3.11, llvm, -march=native)	4m 17s
Build with Pip (macos-13, 3.11, llvm, -march=x86-64)	3m 6s
Build with Pip (macos-13, 3.11, gcc-14, -march=native)	1m 15s
Build with Pip (macos-13, 3.11, gcc-14, -march=x86-64)	1m 26s
	1h 35m 16s

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