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FlatMap method vs for loop 31-10-24
(version: 0)
Compare the performance of for loop vs flatMap method
Comparing performance of:
flatMap vs for loop
Created:
one year ago
by:
Guest
Go to the latest result
Script Preparation code:
var arr = Array(10_000).fill(0);
Tests:
flatMap
arr.flatMap(x => [x, x * 2]);
for loop
const n = arr.length; const acc = new Array(n * 2); for (let i = 0; i < n; i++){ const x = arr[i]; acc[i * 2] = x; acc[i * 2 + 1] = x * 2; }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
flatMap
for loop
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
9 months ago
)
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_6_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/141.0.7390.96 Mobile/15E148 Safari/604.1
Browser/OS:
Chrome Mobile iOS 141 on iOS 18.6.2
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=619998" width="100%" height="500px"></iframe>
for loop
62K/s
flatMap
13K/s
View exact numbers
Test name
Executions per second
✓
for loop
61,604 Ops/sec
flatMap
13,302 Ops/sec
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