Lair Of The Multimedia Guru

November 22, 2005

Fast integer square root

How to calculate the square root of an integer? (unsigned int)sqrt(x) sure but that is slow on many CPUs (~127 cpu cycles on a P3) it also needs a FPU, which may or may not be a problem, how can we do this quicker? lets see
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Filed under: Optimization — Michael @ 17:21
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