A simple JavaScript benchmarking library for designing experiments to measure code performance.
Matcha is a JavaScript benchmarking library that enables developers to design experiments to measure the performance of their code. It provides a simple DSL for writing benchmarks with support for async operations, configurable options, and multiple reporting formats. The library helps identify performance bottlenecks by allowing focused measurement of specific code points.
JavaScript developers who need to measure and optimize code performance, particularly those working on Node.js applications or libraries where execution speed matters.
Developers choose Matcha for its straightforward API inspired by testing frameworks like Mocha, its support for both async and sync benchmarks, and its flexible configuration options including adaptive timing modes. It's simpler than many alternatives while still providing essential benchmarking features.
A caffeine driven, simplistic approach to benchmarking.
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Automatically manages callbacks for asynchronous benchmarks, simplifying the measurement of time-consuming operations without manual timing, as shown in the async boiling water example.
Uses familiar suite and bench definitions similar to Mocha, reducing the learning curve for developers already accustomed to testing frameworks.
Supports both static and adaptive timing modes, allowing for precise control over iterations and ensuring accurate measurements for variable code performance.
The README and examples are from 2012, lacking updates for modern JavaScript features, ES6+ syntax, and current best practices, which may hinder adoption.
Only includes clean, plain, and CSV reporters, with no built-in support for JSON or other machine-readable formats, making integration with modern CI/CD pipelines more cumbersome.
Being an older project with infrequent updates, it has a smaller community and fewer third-party integrations compared to newer alternatives like benchmark.js.