Run N things in parallel and collect results
var collectParallel = require("collect-parallel/array");
collectParallel([
50,
100,
200
], function doTimer(value, i, callback) {
setTimeout(onTimer, value);
function onTimer() {
callback(null, value);
}
}, function onResults(err, results) {
// err is always `null`
// results is an array;
// it contains `Result()` objects with `err` and `value`
console.log(results[1].value);
});var collectParallelObject = require("collect-parallel/object");
collectParallelObject({
50: 50,
100: 100,
200: 200
}, function doTimer(value, i, callback) {
setTimeout(onTimer, value);
function onTimer() {
callback(null, value);
}
}, function onResults(err, results) {
// err is always `null`
// results is an object;
// it contains `Result()` objects with `err` and `value`
console.log(results['100'].value);
});raynos at raynos-SVS15127PXB ~/projects/collect-parallel on master*
$ node benchmark/set-immediate-fan-out.js --runs 100000
runParallel { mean: 56.67311,
stdDev: 219.1085508109455,
median: 48,
mode: [ 47 ],
variance: 48008.557038498264 }
async { mean: 29.10518,
stdDev: 190.286886537419,
median: 25,
mode: [ 25 ],
variance: 36209.099188159424 }
collectParallel { mean: 22.65887,
stdDev: 127.14602424553848,
median: 17,
mode: [ 16 ],
variance: 16166.111481437905 }
fastparallel { mean: 23.23379,
stdDev: 132.8003565943979,
median: 18,
mode: [ 17 ],
variance: 17635.93471158303 }
raynos at raynos-SVS15127PXB ~/projects/collect-parallel on master*
$ node benchmark/next-tick-fan-out.js --runs 100000
runParallel { mean: 34.58816,
stdDev: 194.56837840805773,
median: 27,
mode: [ 27 ],
variance: 37856.85387635324 }
async { mean: 22.62546,
stdDev: 202.66048956950078,
median: 16,
mode: [ 15 ],
variance: 41071.27403252868 }
collectParallel { mean: 17.66156,
stdDev: 109.16621762706687,
median: 14,
mode: [ 14 ],
variance: 11917.263070997089 }
fastparallel { mean: 18.53812,
stdDev: 129.40402235199886,
median: 15,
mode: [ 14 ],
variance: 16745.401000875598 }
npm install collect-parallel
npm test
- Raynos
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent