chore: update dependencies and switch to current mathjs tinybench

benchmark/formatTaskResult.js

@@ -0,0 +1,31 @@
+const durationWidth = 10
+const varianceWidth = 8
+
+/**
+ * Format a result like "Task name   2.30 µs ±0.79%"
+ * @param {import('tinybench').Bench} bench
+ * @param {import('tinybench').Task} task
+ * @return {string}
+ */
+export function formatTaskResult (bench, task) {
+  const nameWidth = Math.max(...bench.tasks.map(task => task.name.length)) + 1
+
+  const name = task.name
+  const { variance, mean } = task.result.latency
+
+  const meanStr = `${(mean * 1000).toFixed(2)} \u00b5s`
+  const varianceStr = `±${((variance / mean) * 100).toFixed(2)}%`
+  return `${padRight(name, nameWidth)} ${padLeft(meanStr, durationWidth)} ${padLeft(varianceStr, varianceWidth)}`
+}
+
+function padRight (text, len, char = ' ') {
+  const add = Math.max(len - text.length, 0)
+
+  return text + char.repeat(add)
+}
+
+function padLeft (text, len, char = ' ') {
+  const add = Math.max(len - text.length, 0)
+
+  return char.repeat(add) + text
+}

benchmark/roots.mjs

@@ -1,5 +1,6 @@
-import Benchmark from 'benchmark'
+import {Bench} from 'tinybench'
 import padRight from 'pad-right'
+import { formatTaskResult } from './formatTaskResult.js'
 import math from '../src/pocomath.mjs'
 
 function pad (text) {
@@ -29,15 +30,14 @@ console.log('polynomials (with coefficients <=', maxCoeff, ')')
 
 const results = []
 
-const suite = new Benchmark.Suite()
-suite
+const bench = new Bench({time: 100, iterations: 100})
   .add(pad('count roots'), function () {
     const res = countRoots()
     results.push(res)
   })
-  .on('cycle', function (event) {
-    console.log(String(event.target))
-  })
-  .on('complete', function () {
-  })
-  .run()
+
+bench.addEventListener(
+    'cycle',
+    event => console.log(formatTaskResult(bench, event.task))
+)
+await bench.run()