TOOL SIGNAL / ACTIVE

Criterion.rs

Criterion.rs contributors

Code Benchmarking Open Source Self-hosted

NOT YET REVIEWED · CATALOG DATA

Official site ↗ Source repo ↗
Pricing model
Free; MIT or Apache License 2.0.
First released
2015
Last verified
Answer

Criterion.rs runs Rust benchmarks with warmup, resampling, confidence intervals, and regression comparisons. It produces readable reports and integrates with Cargo for repeatable code-performance experiments.

What it is

Criterion.rs runs Rust benchmarks with warmup, resampling, confidence intervals, and regression comparisons. It produces readable reports and integrates with Cargo for repeatable code-performance experiments.

Best for

  • Repeatable method, function, and command runtime benchmarks
  • Teams that prefer open-source licensing and self-hosting options
  • Groups comfortable scripting in Rust

Not the best fit when

  • Teams unwilling to operate generators, results storage, and scaling

Architecture and concurrency

Criterion.rs is operated as a code benchmark harness with Rust. It isolates functions, methods, or commands and applies repeated measurements, warmups, and statistical comparison rather than generating protocol traffic.

Fact sheet

Specs

Scripting
Rust
Operating systems
WindowsmacOSLinux
Tags
rustmicrobenchmarkcargocode

CATALOG LAST VERIFIED · 2026-08-12 · CURATED BY NAVEENKUMAR NAMACHIVAYAM

Frequently asked

ANSWER-SHAPED
Who is Criterion.rs for?

Criterion.rs is best for developers measuring the runtime and regressions of application code. It is open source, so teams can self-host and extend it. Vendor: Criterion.rs contributors. Deployment model: self-hosted. Free; MIT or Apache License 2.0. Confirm details against the official site and a short proof-of-concept in your environment.

How does Criterion.rs differ from BenchmarkDotNet?

Compared with BenchmarkDotNet, scripting centers on Rust rather than C#, F#, Visual Basic. Criterion.rs lists protocols not recorded; BenchmarkDotNet lists not recorded. Status is active versus active. Use the Test Rig to compare full specs side by side before a proof-of-concept.

What scripting language and concurrency model does Criterion.rs use?

Criterion.rs uses Rust for scripting or scenario definition. Runtime model: code-first scenarios where virtual users execute scripted behavior under load. OS support: Windows, macOS, Linux. Protocols: not recorded. Match these to how your team already authors tests and which systems you must drive under load.

What is the cloud or enterprise path for Criterion.rs?

Criterion.rs is a focused benchmark harness rather than a browser or enterprise load controller. Use its measured workload and reporting model to isolate database or code performance before broader system testing. As open source, commercial support or hosted siblings may exist separately. Check the official site. Pricing note: Free; MIT or Apache License 2.0.

What are known limitations of Criterion.rs?

Criterion.rs limitations to weigh: self-hosted tools require you to provision, scale, and observe load generators yourself; protocol coverage is not fully recorded in this catalog entry. Status: active. Always validate against your target protocols and scale with a proof-of-concept. Confirm details against the official site and a short proof-of-concept in your environment.