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'use strict'; const common = require('../common.js'); // The following benchmark sets up n * 1e6 unpooled timeouts, // then measures their execution on the next uv tick const bench = common.createBenchmark(main, { n: [1e6], }); function main({ n }) { let count = 0; // Function tracking on the hidden class in V8 can cause misleading // results in this benchmark if only a single function is used — // alternate between two functions for a fairer benchmark function cb() { count++; if (count === n) bench.end(n); } function cb2() { count++; if (count === n) bench.end(n); } for (var i = 0; i < n; i++) { // unref().ref() will cause each of these timers to // allocate their own handle setTimeout(i % 2 ? cb : cb2, 1).unref().ref(); } bench.start(); }