mirror of https://github.com/nodejs/node.git
37 lines
664 B
JavaScript
37 lines
664 B
JavaScript
'use strict';
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const assert = require('assert');
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const common = require('../common.js');
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const {
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PerformanceObserver,
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performance,
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} = require('perf_hooks');
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function randomFn() {
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return Math.random();
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}
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const bench = common.createBenchmark(main, {
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n: [1e6],
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observe: ['function'],
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});
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let _result;
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function main({ n, observe }) {
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const obs = new PerformanceObserver(() => {
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bench.end(n);
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});
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obs.observe({ entryTypes: [observe], buffered: true });
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const timerfied = performance.timerify(randomFn);
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bench.start();
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for (let i = 0; i < n; i++)
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_result = timerfied();
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// Avoid V8 deadcode (elimination)
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assert.ok(_result);
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}
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