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hilbert: support architectures other than x86_64 #260

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hhirtz opened this issue Oct 25, 2022 · 1 comment

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hhirtz commented Oct 25, 2022

Currently hilbert curves use pdep instructions specific to amd64 architectures, we need some fallback for others.

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hilbert: implement zorder for archs other than x86_64 #273

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hhirtz commented Dec 7, 2022

Found this webpage that has some tricks to bypass pdep:

https://graphics.stanford.edu/~seander/bithacks.html#InterleaveTableObvious

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