The Lies Your Microbenchmarks Tell You: A JMH Field Guide for Backend Engineers

JMH is powerful, but deceptively easy to misuse. Here are the five pitfalls that silently corrupt your results — and…

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Java Performance 2 * i * i Multiplication : 2 * (i * i) Faster Than 2 * i * i

When optimizing code, even small differences in expression syntax can impact performance. One such example is the difference between 2…

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JMH: How to setup and run a JMH benchmark

Health Warning! This post describes how to setup and run a simple JMH benchmark.  Micro benchmarks are notoriously difficult to get…

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