Benchmark: Array.prototype.sort (utc date property vs epoch date simulation property)

Script Preparation code:

function randomDateUtc(start, end) {
    return new Date(start.getTime() + Math.random() * (end.getTime() - start.getTime()));
}

var arrUtc = [];
for(var i = 0; i < 100000; i++){
  arrUtc.push({value:randomDateUtc(new Date(2012, 0, 1), new Date())});
}

function randomDateEpochSimulation(max) {
    return Math.floor(Math.random() * Math.floor(max));
}

var arrEpoch = [];
for(var i = 0; i < 100000; i++){
  arrEpoch.push({value:randomDateEpochSimulation(Date.now())});
}

Tests:

UTC date property inside objects
arrUtc.sort((a,b) => a.value - b.value);
Epoch date property inside objects
arrEpoch.sort((a,b) => a.value - b.value);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
UTC date property inside objects
Epoch date property inside objects

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36

Browser/OS: Chrome 89 on Linux

View result in a separate tab

Test name	Executions per second
UTC date property inside objects	15.8 Ops/sec
Epoch date property inside objects	82.5 Ops/sec

Array.prototype.sort (utc date property vs epoch date simulation property) (version: 1)

Comparing sort on utc date property inside object vs sort on epoch date property inside object

Comparing performance of: UTC date property inside objects vs Epoch date property inside objects

Created: 3 years ago by: Registered User

Jump to the latest result

UTC date property inside objects

Epoch date property inside objects

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A