Benchmark: Reduce vs Filter/Map vs Map/Filter

Script Preparation code:

var a = [];
for (let i = 0; i < 1000; i++) {
    a.push(Number(i) / 1000);
}
var filtering = x => (x * 114514) % 1 > 0.5;
var mapping = x => x + 0.1919;
var reducing = (acc, x) => {
    const value = mapping(x);
    if (filtering(value)) {
        acc.push(value);
    }
    return acc;
}

Tests:

Reduce
a.reduce(reducing, []);
Filter/Map
a.filter(filtering).map(mapping);
Map/Filter
a.map(mapping).filter(filtering);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Reduce
Filter/Map
Map/Filter

Fastest: N/A

Slowest: N/A

ⓘ Get performance results from real users on your website with Request Metrics.

Website Performance Monitoring by Request Metrics

Latest run results:

Run details: (Test run date: 18 days ago)

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Mobile/15E148 Safari/604.1

Browser/OS: Mobile Safari 16 on iOS 16.6

View result in a separate tab

Test name	Executions per second
Reduce	9204.4 Ops/sec
Filter/Map	32641.6 Ops/sec
Map/Filter	29985.7 Ops/sec

Reduce vs Filter/Map vs Map/Filter (version: 0)

Comparing performance of: Reduce vs Filter/Map vs Map/Filter

Created: 3 years ago by: Guest

Jump to the latest result

Reduce

Filter/Map

Map/Filter

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A