Benchmark: TypedArray slice vs subarray

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

function testSlice() {
  (function () {
    const source = new Uint8Array(10000);
    for (let i = 0; i < 10000; i++) source[i] = i;

    // slice는 복사(copy) 발생
    const chunk = source.slice(1000, 9000);
  })();
}

function testSubarray() {
  (function () {
    const source = new Uint8Array(10000);
    for (let i = 0; i < 10000; i++) source[i] = i;

    // subarray는 zero-copy
    const chunk = source.subarray(1000, 9000);
  })();
}

Tests:

testSlice
testSlice()
testSubarray
testSubarray()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
testSlice
testSubarray

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 5 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36

Browser/OS: Chrome 142 on Windows

View result in a separate tab

Test name	Executions per second
testSlice	82852.8 Ops/sec
testSubarray	143036.3 Ops/sec

Related benchmarks:

TypedArray slice vs subarray (version: 1)

TypedArray slice vs subarray

Comparing performance of: testSlice vs testSubarray

Created: 5 months ago by: Guest

Jump to the latest result

testSlice

testSubarray

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A