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A comment on Mispredicted branches can multiply your running times. Parent comment

Re:Mispredicted branches can multiply your running times by jacobolus on Wednesday October 16, 2019 @01:29PM (#21272956)
In https://github.com/kstenerud/bit-tricks/blob/master/sign.h

Why not use: (x > 0) - (x < 0)

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