@thi.ng/bench/format/default.js

Benchmarking & profiling utilities w/ various statistics & formatters (CSV, JSON, Markdown etc.)

import { EMPTY, FLOAT } from "../api.js";
const FORMAT_DEFAULT = {
  prefix: EMPTY,
  start: ({ title }) => `benchmarking: ${title}`,
  warmup: (t, { warmup }) => `	warmup... ${FLOAT(t)}ms (${warmup} runs)`,
  result: ({ iter, size, total, freq, mean, median, min, max, q1, q3, sd }) => (
    // prettier-ignore
    `	total: ${FLOAT(total)}ms, runs: ${iter} (@ ${size} calls/iter)
	freq: ${FLOAT(freq)} ops/sec
	mean: ${FLOAT(mean)}ms, median: ${FLOAT(median)}ms, range: [${FLOAT(min)}..${FLOAT(max)}]
	q1: ${FLOAT(q1)}ms, q3: ${FLOAT(q3)}ms
	sd: ${FLOAT(sd)}%`
  ),
  total: (res) => {
    const fastest = res.slice().sort((a, b) => a.mean - b.mean)[0];
    return `Fastest: "${fastest.title}"`;
  },
  suffix: () => `---`
};
export {
  FORMAT_DEFAULT
};