Benchmark: typed array copyWithin vs set

Script Preparation code:

var array1_1e6 = Float32Array.from({length: 1e6}, Math.random);
var target = 1e5;
var start = 2e5;
var end = 3e5;
var array1_1e5 = Float32Array.from({length: 1e5}, Math.random);
var array2_1e5 = Float32Array.from({length: 1e5}, Math.random);

Tests:

set
array1_1e5.set(array2_1e5);
copyWithin
array1_1e6.copyWithin(target, start, end);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
set
copyWithin

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 7 days ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 YaBrowser/24.1.0.0 Safari/537.36

Browser/OS: Yandex Browser 24 on Linux

View result in a separate tab

Test name	Executions per second
set	92621.1 Ops/sec
copyWithin	90992.6 Ops/sec

typed array copyWithin vs set (version: 0)

comparing speed of copyWithin vs set

Comparing performance of: set vs copyWithin

Created: one year ago by: Registered User

Jump to the latest result

set

copyWithin

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A