Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
flatMap vs flat+map
Go to the benchmark
Embed
Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:139.0) Gecko/20100101 Firefox/139.0
Browser:
Firefox 139
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
10 months ago
Test name
Executions per second
flatmap
4081.4 Ops/sec
map+flat
3791.5 Ops/sec
Script Preparation code:
var arr = Array(10_000).fill(0)
Tests:
flatmap
arr.flatMap((x) => [x, x])
map+flat
arr.map((x) => [x, x]).flat()