GPU performance improvements #58

Job	Run time
prepare	2s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=native)	1m 39s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=x86-64)	1m 41s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=native)	1m 21s
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 46s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=x86-64)	1m 26s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=native)	1m 23s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=x86-64)	1m 34s
Build with Pip (windows-2022, 3.8, msvc, /arch:AVX2)	7m 2s
Build with Pip (windows-2022, 3.8, msvc, /arch:SSE2)	6m 39s
Build with Pip (windows-2022, 3.8, llvm, /arch:AVX2)	4m 51s
Build with Pip (windows-2022, 3.8, llvm, /arch:SSE2)	4m 53s
Build with Pip (windows-2022, 3.11, msvc, /arch:AVX2)	8m 4s
Build with Pip (windows-2022, 3.11, msvc, /arch:SSE2)	7m 37s
Build with Pip (windows-2022, 3.11, llvm, /arch:AVX2)	4m 12s
Build with Pip (windows-2022, 3.11, llvm, /arch:SSE2)	4m 26s
Build with Pip (macos-13, 3.8, llvm, -march=native)	2m 54s
Build with Pip (macos-13, 3.8, llvm, -march=x86-64)	3m 31s
Build with Pip (macos-13, 3.8, gcc-14, -march=native)	1m 22s
Build with Pip (macos-13, 3.8, gcc-14, -march=x86-64)	1m 20s
Build with Pip (macos-13, 3.11, llvm, -march=native)	4m 31s
Build with Pip (macos-13, 3.11, llvm, -march=x86-64)	2m 47s
Build with Pip (macos-13, 3.11, gcc-14, -march=native)	1m 22s
Build with Pip (macos-13, 3.11, gcc-14, -march=x86-64)	1m 25s
	1h 19m 7s

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