DataView vs TypedArray Float32 actually fixed (version: 1)

Comparing performance of: array[i] = i; vs view.setFloat32(i, i) vs array[i] = i; 2 vs view.setFloat32(i, i) 2

Created: one year ago by: Guest
Go to the latest result
Script Preparation code:
Tests:

Historical Performance Data aggregated from 7 community runs

Desktop Results:
Chrome 7 runs
array[i] = i; 2
246K/s
array[i] = i;
246K/s
view.setFloat32(i, i) 2
70K/s
view.setFloat32(i, i)
70K/s

Fastest: array[i] = i; 2 (3.5x faster)

View exact numbers
  • ✓ array[i] = i; 2: 246,315 ops/sec
  • • array[i] = i;: 245,726 ops/sec
  • • view.setFloat32(i, i) 2: 69,773 ops/sec
  • • view.setFloat32(i, i): 69,724 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    array[i] = i;
    view.setFloat32(i, i)
    array[i] = i; 2
    view.setFloat32(i, i) 2

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 10 months ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36
Chrome 140 on Windows
View result in a separate tab
array[i] = i;
103K/s
array[i] = i; 2
101K/s
view.setFloat32(i, i) 2
42K/s
view.setFloat32(i, i)
40K/s
View exact numbers
Test name Executions per second
✓ array[i] = i; 102,719 Ops/sec
array[i] = i; 2 101,254 Ops/sec
view.setFloat32(i, i) 2 42,076 Ops/sec
view.setFloat32(i, i) 39,847 Ops/sec

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