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Won't Fix

Votes

26

Found in

2020.3.33f1

2021.3.0f1

2022.1.0b16

2022.2.0a11

Issue ID

UUM-1484

Regression

No

High polling rate mice are causing performance issues (windows, editor)

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Reproduction steps:
1. Open users attached project (note this project doesn't use the new input system, but the issue manifests in the new input system too. See ISX-1506)
2. Press the "Stats" button on the Game View window
3. Enter the Play Mode
4. Move the mouse rapidly over the Editor
5. Observe the Frame rate in the Stats window

Expected result: Frame rate is stable
Actual result: Frame rate is jumping from ~400 to ~200

Reproducible with: 2019.4.38f1, 2020.3.33f1, 2021.3.0f1, 2022.1.0b16, 2022.2.0a11

Notes:
-reproduced with Razer Viper
-frame rate drop is more apparent with a higher polling rate (1000hz)
-in 2019.4, the performance drop is not as major, but still visible
-reproduces in any project

  1. Resolution Note:

    There are no fixes planned for this Bug

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Comments (14)

  1. stephc-int13

    Aug 12, 2022 18:35

    I can confirm this issue if affecting me. 2021.3f1.

  2. jjejj87

    Jul 23, 2022 19:11

    Can confirm that this happens with 2021.3.6f as well. We need to addressed ASAP.

  3. RudyTheDev

    Jun 28, 2022 13:09

    Can also confirm for 2021.3.5f1 with Logitech G502 at 1000Hz. Build is running smoothly if mouse is stationary, but any rapid movement causes lagspikes in the "Others" section of profiler. In Editor, it goes to EditorLoop.

  4. cwbeta

    Jun 28, 2022 08:14

    Also reproducible with Unity 2021.3.5f1 with Logitech GPW2.

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