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flatMap vs reduce-push vs flat
(version: 0)
Compare flatMap performance vs Array.reduce with Array.push
Comparing performance of:
reduce with push vs flatMap vs flat
Created:
2 years ago
by:
Registered User
Go to the latest result
Script Preparation code:
var data = []; for (let i = 0; i < 100000; i++) { data[i] = Array(10).fill(0); }
Tests:
reduce with push
data.reduce((acc, x) => { acc.push(...x); return acc; }, []);
flatMap
data.flatMap(x => x);
flat
data.flat(Infinity);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
reduce with push
flatMap
flat
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Browser/OS:
Chrome 130 on Windows
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=563392" width="100%" height="500px"></iframe>
reduce with push
34/s
flatMap
23/s
flat
19/s
View exact numbers
Test name
Executions per second
✓
reduce with push
34 Ops/sec
flatMap
23 Ops/sec
flat
19 Ops/sec
Related benchmarks
flatMap vs reduce using push
Reduce Push vs. flatMap with subarrays
flatMap vs reduce (push)
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