hyperfine

name	hyperfine
description	Use this skill when the user wants to benchmark command execution times, compare performance of different commands, measure script performance, or analyze CLI tool speed.

hyperfine Plugin

Command-line benchmarking tool to measure and compare command execution times with statistical analysis.

Commands

Benchmark

• hyperfine benchmark run — Benchmark a single command
• hyperfine benchmark compare — Compare multiple commands

Usage Examples

• "Benchmark this command"
• "Compare the speed of these two commands"
• "Measure execution time of this script"
• "Which command is faster: A or B?"

Installation

cargo install hyperfine
# or
brew install hyperfine
# or
apt install hyperfine

Examples

# Basic benchmark
hyperfine "sleep 0.5"

# Compare commands
hyperfine "sleep 0.5" "sleep 1"

# Warmup runs
hyperfine --warmup 3 "sleep 0.5"

# Multiple runs
hyperfine --runs 10 "sleep 0.5"

# Export results
hyperfine --export-json results.json "sleep 0.5"

# Compare with parameter
hyperfine --prepare 'make build' './program arg1'

Common Flags

• --warmup N — Number of warmup runs
• --runs N — Number of benchmark runs
• --min-runs N — Minimum number of runs
• --export-json FILE — Export results as JSON
• --export-markdown FILE — Export results as Markdown
• --export-csv FILE — Export results as CSV
• --prepare CMD — Command to run before each benchmark
• --cleanup CMD — Command to run after each benchmark
• -s — Shell to use
• -n NAME — Name for the command