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nodejs/benchmark/perf_hooks/histogram-clone.js
Vinícius Lourenço adaef03216 perf_hooks: reduce overhead of createHistogram
PR-URL: https://github.com/nodejs/node/pull/50074
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
2023-10-23 12:38:54 +00:00

25 lines
457 B
JavaScript

'use strict';
const assert = require('assert');
const common = require('../common.js');
const { createHistogram } = require('perf_hooks');
const bench = common.createBenchmark(main, {
n: [1e5],
});
let _histogram;
function main({ n }) {
const histogram = createHistogram();
bench.start();
for (let i = 0; i < n; i++)
_histogram = structuredClone(histogram);
bench.end(n);
// Avoid V8 deadcode (elimination)
assert.ok(_histogram);
}