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Run results for:
Bench flat map vs spread reduce
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:125.0) Gecko/20100101 Firefox/125.0
Browser:
Firefox 125
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
flatmap
2K/s
spread
1K/s
View exact numbers
Test name
Executions per second
✓
flatmap
1,697 Ops/sec
spread
1,309 Ops/sec
Script Preparation code:
var arr = Array(10_000).fill([0,0,0])
Tests:
spread
arr.reduce((acc, item) => { acc.push(...item); return acc; }, []);
flatmap
arr.flatMap((item) => { return item; });