Benchmark: redasdfasdf - MeasureThat.net

Script Preparation code:

var data = [...Array(10000)].reduce((acc, _, i) => {
	acc[i.toString()] = i;
	return acc;
}, {});

var keys = [...Array(5000)].map((_, i) => i.toString());

function pickFor(obj, keys) {
  const ret = {};
  for (const key of keys) {
    ret[key] = obj[key];
  }
  return ret;
}

function pickMap(obj, keys) {
  const entries = keys.map((key) => [key, obj[key]]);
  return Object.fromEntries(entries);
}

function pickReduce(obj, keys) {
  return keys.reduce((acc, i) => {
    acc[i] = obj[i];
    return acc;
  }, {});
}

Tests:

for
pickFor(data, keys);
map
pickMap(data, keys);
reduce
pickReduce(data, keys);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
for
map
reduce

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.39

Browser/OS: Chrome 112 on Windows

View result in a separate tab

Test name	Executions per second
for	11564.9 Ops/sec
map	2285.3 Ops/sec
reduce	10983.8 Ops/sec

redasdfasdf (version: 0)

Comparing performance of: for vs map vs reduce

Created: one year ago by: Guest

Jump to the latest result

for

map

reduce

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A