A command-line benchmarking tool. Features: -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).