Unverified50% confidenceFactExact time
The division optimization technique of multiplying by a magic number and shifting originates from 'Hacker's Delight' (by Henry S. Warren Jr.), based on the principle n/d≈(n×M)>>k, where M≈2^k/d.
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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