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by sa46
915 days ago
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Seems like a compiler should be able to convert division to shifts and subtractions. > u8 divmod 58 can be reduced to a u8->u16 multiply, a right shift, and three conditional subtractions; that's not great, but on a modern CPU it's a afterthought compared to the quadratic loop over the input size. Same topic from 2018: https://news.ycombinator.com/item?id=18409344 |
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