https://blog.codingconfessions.com/p/one-law-to-rule-all-code-optimizations
One Law to Rule All Code Optimizations
Abhinav Upadhyay
Jun 08, 2025
“…almost every low-level optimization, whether it’s loop unrolling, SIMD vectorization, or branch elimination, ultimately affects just three metrics: the number of instructions executed, the number of cycles needed to execute them, and the duration of a single cycle. These… directly determine how fast your code runs.”