Open source
Hyperfine: Fast CLI Benchmarking Tool
Learn how to benchmark command-line tools with hyperfine, an open-source Rust app. See how it runs commands many times, reports averages, and compares tools.
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You are building a command line tool and you want to know if it is fast. You used to time it by hand, but that gives rough numbers. You want a clear, fair speed test. Hyperfine is an open source command line app that benchmarks other commands. It runs your command many times and gives you a reliable average time. It is written in Rust and works on many systems. Hyperfine runs your command over and over, then it calculates the mean and the spread. It also spots runs that are odd, like when your system is busy. That gives you a true picture of speed. You can compare two commands side by side. Hyperfine prints a table with times and a speed factor. For example, it shows one command is two times faster than the other. So next time you need a fair speed test, try hyperfine. It is free and open source. You can find it on GitHub.
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