Performance Tuning

Overview

Blind optimization is the root of wasted effort. Measure, pinpoint the bottleneck, fix that specific thing.

Core principle: No optimization without measurement. No measurement without a demonstrated performance problem.

No exceptions. No workarounds. No shortcuts.

The Prime Directive

NO OPTIMIZATION WITHOUT A MEASUREMENT PROVING THE PROBLEM

If you have not profiled it, you are not qualified to optimize it. Intuitions about performance are reliably wrong.

When to Use