evanwashere/mitata

Health v2 · maintenance only

Adoption not part of the score

2520 stars · 37 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Mitata is a microbenchmarking library for JavaScript runtimes (Bun, Deno, Node.js) and C++ via a single header. It provides a clean API for benchmarks with summaries, boxplots, parameterized ranges, garbage collection control, and optional hardware counter stats.

Use cases

• benchmark javascript functions across bun, deno, and nodejs
• microbenchmark c++ code with a single header
• compare performance of code across v8, javascriptcore, and spidermonkey
• run parameterized benchmarks over input size ranges
• measure cpu stats like ipc with hardware counters
• output benchmark results as json for ci

When to choose

• you need consistent benchmarking across multiple js runtimes
• you want pretty summaries and boxplot visualizations out of the box
• you need gc control between benchmark iterations
• you want a header-only c++ benchmarking option

When to avoid

• you need statistical benchmarking for compiled binaries with full harness features like criterion
• you want load or stress testing of services rather than microbenchmarks
• you need browser-based performance profiling tools

Facets

library · maturity active

benchmarking developer-tools performance developer-tools bun cpp cross-platform microbenchmark single-header javascript-runtimes v8 javascriptcore spidermonkey graaljs hardware-counters javascript nodejs deno

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