hyperfine - A command-line benchmarking tool

A command-line benchmarking tool (inspired by bench). If the program execution time is limited by disk I/O, the benchmarking results can be heavily influenced by disk caches and whether they are cold or warm.

Its features include:

• Statistical analysis across multiple runs.
• Support for arbitrary shell commands.
• Constant feedback about the benchmark progress and current estimates.
• Warmup runs can be executed before the actual benchmark.
• Cache-clearing commands can be set up before each timing run.
• Statistical outlier detection to detect interference from other programs and caching effects.
• Export results to various formats: CSV, JSON, Markdown, AsciiDoc.
• Parameterized benchmarks (e.g. vary the number of threads).