{"id":58247,"library":"iai","title":"Iai","description":"One-shot benchmarking library for measuring performance of Rust code.","status":"active","version":"0.1.1","language":"rust","source_language":null,"source_url":"https://github.com/bheisler/iai","tags":["benchmarking","performance","deprecated"],"install":[{"cmd":"# Cargo.toml\n[dependencies]\niai = \"0.1.1\"","lang":"toml","label":"Cargo.toml"},{"cmd":"cargo add iai","lang":"bash","label":"cargo add"}],"dependencies":[],"imports":[{"symbol":"black_box","correct":"use iai::black_box;"}],"quickstart":{"code":"use iai::black_box;\n\nfn fibonacci(n: u64) -> u64 {\n    match n {\n        0 => 0,\n        1 => 1,\n        _ => fibonacci(n - 1) + fibonacci(n - 2),\n    }\n}\n\nfn main() {\n    let result = black_box(fibonacci(30));\n    println!(\"Result: {}\", result);\n}","lang":"rust","description":"Benchmarks a Fibonacci function using black_box to prevent optimization."},"warnings":[{"fix":"Switch to `iai-callgrind` crate for continued support.","message":"Iai is deprecated in favor of Iai-Callgrind; no longer maintained.","severity":"breaking","affected_versions":">=0.1.0"}],"env_vars":null,"search_vec":"'benchmark':5,13 'code':12 'deprec':15 'iai':1 'librari':6 'measur':8 'one':3 'one-shot':2 'perform':9,14 'rust':11 'shot':4","created_at":"2026-06-16T16:16:40.672391+00:00","updated_at":"2026-06-16T16:16:40.672391+00:00","problems":[],"ecosystem":"crates","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"https://github.com/bheisler/iai","github":"https://github.com/bheisler/iai","docs":"https://docs.rs/iai/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["testing"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-16","next_check":"2026-12-13","install_tag":null}}