Unverified50% confidenceFactExact time
The constant division optimization technique of multiplying by a magic number and shifting originates from the classic work 'Hacker's Delight', which eliminates division by pre-computing an approximate reciprocal of the divisor.
1
Sources
50%
Confidence
Long-term
Relevance
8/19/2026
First Seen
Sources
整数除法转浮点除法：反直觉的CPU性能优化技巧详解
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