Optimizing nanosecond operations: when the CPU cache matters
A check took 29 s. Removing it saved 24 s - the rest moved to a line we didn't touch. Why?
Andrey Minogin is a software architect with 15+ years on data-intensive systems. He finds out why a system in production is slow, expensive or wrong — in Java and Kotlin services, in PostgreSQL, and in LLM workflows — and what to change. He writes about engineering at minogin.com.
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A check took 29 s. Removing it saved 24 s - the rest moved to a line we didn't touch. Why?