hyperfine

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  "desc": "Command-line benchmarking tool",
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  "enrichment_fetched_at": "2026-06-20T23:38:43+00:00",
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  "full_name": "hyperfine",
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  "github_last_commit_at": "2026-04-30T08:23:25Z",
  "github_readme_excerpt": "# hyperfine\n[![CICD](https://github.com/sharkdp/hyperfine/actions/workflows/CICD.yml/badge.svg)](https://github.com/sharkdp/hyperfine/actions/workflows/CICD.yml)\n[![Version info](https://img.shields.io/crates/v/hyperfine.svg)](https://crates.io/crates/hyperfine)\n[\u4e2d\u6587](https://github.com/chinanf-boy/hyperfine-zh)\n\nA command-line benchmarking tool.\n\n**Demo**: Benchmarking [`fd`](https://github.com/sharkdp/fd) and\n[`find`](https://www.gnu.org/software/findutils/):\n\n![hyperfine](https://i.imgur.com/z19OYxE.gif)\n\n## Features\n\n* Statistical analysis across multiple runs.\n* Support for arbitrary shell commands.\n* Constant feedback about the benchmark progress and current estimates.\n* Warmup runs can be executed before the actual benchmark.\n* Cache-clearing commands can be set up before each timing run.\n* Statistical outlier detection to detect interference from other programs and caching effects.\n* Export results to various formats: CSV, JSON, Markdown, AsciiDoc.\n* Parameterized benchmarks (e.g. vary the number of threads).\n* Cross-platform\n\n## Usage\n\n### Basic benchmarks\n\nTo run a benchmark, you can simply call `hyperfine \u003ccommand\u003e...`. The argument(s) can be any\nshell command. For example:\n```sh\nhyperfine \u0027sleep 0.3\u0027\n```\n\nHyperfine will automatically determine the number of runs to perform for each command. By default,\nit will perform *at least* 10 benchmarking runs and measure for at least 3 seconds. To change this,\nyou can use the `-r`/`--runs` option:\n```sh\nhyperfine --runs 5 \u0027sleep 0.3\u0027\n```\n\nIf you want to compare the runtimes of different programs, you can pass multiple commands:\n```sh\nhyperfine \u0027hexdump file\u0027 \u0027xxd file\u0027\n```\n\n### Warmup runs and preparation commands\n\nFor programs that perform a lot of disk I/O, the benchmarking results can be heavily influenced\nby disk caches and whether they are cold or warm.\n\nIf you want to run the benchmark on a warm cache, you can use the `-w`/`--warmup` option to\nperform a certain number of program executions before the actual b",
  "github_repo": "sharkdp/hyperfine",
  "github_stars": 28341,
  "github_topics": [
    "benchmark",
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    "command-line",
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    "tool"
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  "homepage": "https://github.com/sharkdp/hyperfine",
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  "last_seen": "2026-06-20T23:34:18+00:00",
  "license": "Apache-2.0 OR MIT",
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  "llm_model": null,
  "name": "hyperfine",
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  "raw_hash": "2cb2d5ac83d63389",
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  "ruby_source_path": "Formula/h/hyperfine.rb",
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  "version_head": "HEAD",
  "version_stable": "1.20.0",
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