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Run results for:
Bench flat map vs spread reduce
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:133.0) Gecko/20100101 Firefox/133.0
Browser:
Firefox 133
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
spread
4K/s
flatmap
4K/s
View exact numbers
Test name
Executions per second
✓
spread
4,105 Ops/sec
flatmap
3,855 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; });