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Run results for:
flatMap vs flat+map vs map
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Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:140.0) Gecko/20100101 Firefox/140.0
Browser:
Firefox 140
Operating system:
Linux
Device Platform:
Desktop
Date tested:
3 months ago
map
10K/s
flatmap
4K/s
map+flat
3K/s
View exact numbers
Test name
Executions per second
✓
map
9,720 Ops/sec
flatmap
3,934 Ops/sec
map+flat
3,397 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()
map
arr.map((x) => [x, x])