/
githubmirror
/
node
Обзор
Документация
Войти
/
githubmirror
/
node
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
main
benchmark/perf_hooks/bench-eventlooputil.js
64 строки
1 KB
Michaël Zasso
tools: enable no-unused-expressions lint rule
07 дек 2020, 22:33
Не верифицирован
07 дек 2020, 22:33
bf31d3c
Код
Авторство
О чём код?
'use strict'; const common = require('../common.js'); const assert = require('assert').ok; const { performance } = require('perf_hooks'); const { nodeTiming, eventLoopUtilization } = performance; const bench = common.createBenchmark(main, { n: [1e6], method: [ 'idleTime', 'ELU_simple', 'ELU_passed', ], }); function main({ method, n }) { switch (method) { case 'idleTime': benchIdleTime(n); break; case 'ELU_simple': benchELUSimple(n); break; case 'ELU_passed': benchELUPassed(n); break; default: throw new Error(`Unsupported method ${method}`); } } function benchIdleTime(n) { bench.start(); for (let i = 0; i < n; i++) nodeTiming.idleTime; // eslint-disable-line no-unused-expressions bench.end(n); } function benchELUSimple(n) { // Need to put this in setImmediate or will always return 0. setImmediate(() => { const elu = eventLoopUtilization(); assert(elu.active + elu.idle > 0); bench.start(); for (let i = 0; i < n; i++) eventLoopUtilization(); bench.end(n); }); } function benchELUPassed(n) { // Need to put this in setImmediate or will always return 0. setImmediate(() => { let elu = eventLoopUtilization(); assert(elu.active + elu.idle > 0); bench.start(); for (let i = 0; i < n; i++) elu = eventLoopUtilization(elu); bench.end(n); }); }