Unverified50% confidenceFactExact time
When the divisor is a compile-time known constant, modern compilers (such as GCC, Clang, and MSVC) automatically convert the division into a combination of multiplication by a magic number and a shift operation.
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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