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rOACCT/node_modules/fastq/bench.js
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bench.js
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			'use strict'

			const max = 1000000
			const fastqueue = require('./')(worker, 1)
			const { promisify } = require('util')
			const immediate = promisify(setImmediate)
			const qPromise = require('./').promise(immediate, 1)
			const async = require('async')
			const neo = require('neo-async')
			const asyncqueue = async.queue(worker, 1)
			const neoqueue = neo.queue(worker, 1)

			function bench (func, done) {
			const key = max + '*' + func.name
			let count = -1

			console.time(key)
			end()

			function end () {
			if (++count < max) {
			func(end)
			} else {
			console.timeEnd(key)
			if (done) {
			done()
			}
			}
			}
			}

			function benchFastQ (done) {
			fastqueue.push(42, done)
			}

			function benchAsyncQueue (done) {
			asyncqueue.push(42, done)
			}

			function benchNeoQueue (done) {
			neoqueue.push(42, done)
			}

			function worker (arg, cb) {
			setImmediate(cb)
			}

			function benchSetImmediate (cb) {
			worker(42, cb)
			}

			function benchFastQPromise (done) {
			qPromise.push(42).then(function () { done() }, done)
			}

			function runBench (done) {
			async.eachSeries([
			benchSetImmediate,
			benchFastQ,
			benchNeoQueue,
			benchAsyncQueue,
			benchFastQPromise
			], bench, done)
			}

			runBench(runBench)