Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
flatMap vs reduce spread vs reduce push
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=566432" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:132.0) Gecko/20100101 Firefox/132.0
Browser:
Firefox 132
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
reduce with push
4K/s
flatMap
4K/s
reduce with spread
2/s
View exact numbers
Test name
Executions per second
✓
reduce with push
4,361 Ops/sec
flatMap
3,515 Ops/sec
reduce with spread
2 Ops/sec
Script Preparation code:
var arr = Array(10_000).fill(0)
Tests:
reduce with spread
arr.reduce((acc, x) => [...acc, x, x], [])
flatMap
arr.flatMap(x => [x, x])
reduce with push
arr.reduce((acc, x) => (acc.push(x, x), acc), [])