139 lines
3.7 KiB
JavaScript
139 lines
3.7 KiB
JavaScript
'use strict'
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const { type, platform, arch, release, cpus } = require('os')
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const { resolve, join } = require('path')
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const spawn = require('child_process').spawn
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const pump = require('pump')
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const split = require('split2')
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const through = require('through2')
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const steed = require('steed')
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function usage () {
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console.log(`
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Pino Benchmarks
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To run a benchmark, specify which to run:
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・all ⁃ run all benchmarks (takes a while)
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・basic ⁃ log a simple string
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・object ⁃ logging a basic object
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・deep-object ⁃ logging a large object
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・multi-arg ⁃ multiple log method arguments
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・child ⁃ child from a parent
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・child-child ⁃ child from a child
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・child-creation ⁃ child constructor
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・formatters ⁃ difference between with or without formatters
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Example:
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node runbench basic
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`)
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}
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if (!process.argv[2]) {
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usage()
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process.exit()
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}
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const quiet = process.argv[3] === '-q'
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const selectedBenchmark = process.argv[2].toLowerCase()
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const benchmarkDir = resolve(__dirname, '..')
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const benchmarks = {
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basic: 'basic.bench.js',
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object: 'object.bench.js',
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'deep-object': 'deep-object.bench.js',
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'multi-arg': 'multi-arg.bench.js',
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'long-string': 'long-string.bench.js',
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child: 'child.bench.js',
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'child-child': 'child-child.bench.js',
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'child-creation': 'child-creation.bench.js',
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formatters: 'formatters.bench.js'
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}
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function runBenchmark (name, done) {
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const benchmarkResults = {}
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benchmarkResults[name] = {}
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const processor = through(function (line, enc, cb) {
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const [label, time] = ('' + line).split(': ')
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const [target, iterations] = label.split('*')
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const logger = target.replace('bench', '')
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if (!benchmarkResults[name][logger]) benchmarkResults[name][logger] = []
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benchmarkResults[name][logger].push({
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time: time.replace('ms', ''),
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iterations: iterations.replace(':', '')
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})
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cb()
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})
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if (quiet === false) console.log(`Running ${name.toUpperCase()} benchmark\n`)
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const benchmark = spawn(
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process.argv[0],
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[join(benchmarkDir, benchmarks[name])]
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)
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if (quiet === false) {
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benchmark.stdout.pipe(process.stdout)
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}
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pump(benchmark.stdout, split(), processor)
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benchmark.on('exit', () => {
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console.log()
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if (done && typeof done === 'function') done(null, benchmarkResults)
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})
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}
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function sum (arr) {
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let result = 0
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for (var i = 0; i < arr.length; i += 1) {
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result += Number.parseFloat(arr[i].time)
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}
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return result
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}
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function displayResults (results) {
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if (quiet === false) console.log('==========')
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const benchNames = Object.keys(results)
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for (var i = 0; i < benchNames.length; i += 1) {
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console.log(`${benchNames[i].toUpperCase()} benchmark averages`)
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const benchmark = results[benchNames[i]]
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const loggers = Object.keys(benchmark)
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for (var j = 0; j < loggers.length; j += 1) {
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const logger = benchmark[loggers[j]]
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const average = sum(logger) / logger.length
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console.log(`${loggers[j]} average: ${average.toFixed(3)}ms`)
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}
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}
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if (quiet === false) {
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console.log('==========')
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console.log(
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`System: ${type()}/${platform()} ${arch()} ${release()}`,
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`~ ${cpus()[0].model} (cores/threads: ${cpus().length})`
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)
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}
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}
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function toBench (done) {
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runBenchmark(this.name, done)
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}
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const benchQueue = []
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if (selectedBenchmark !== 'all') {
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benchQueue.push(toBench.bind({ name: selectedBenchmark }))
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} else {
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const keys = Object.keys(benchmarks)
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for (var i = 0; i < keys.length; i += 1) {
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benchQueue.push(toBench.bind({ name: keys[i] }))
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}
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}
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steed.series(benchQueue, function (err, results) {
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if (err) return console.error(err.message)
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results.forEach(displayResults)
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})
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