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[UNET] CPU usage on 'LAN host' in 5.6 and 2017.1 versions is higher than in 5.5 or 5.4



To reproduce:
1. Open project on any Unity 5.5
2. Open activity monitor
3. Play 'Main' scene
4. Press 'H'
5. Repeat steps with the 5.6.0a5 version or higher.

Expected: CPU usage growth will be the same on all versions
Actual: CPU usage on 5.6 or 2017.1.0 will be twice higher

Reproduced on: 5.6.0a5, 5.6.0p3, 2017.1.0b2
Not reproducible on: 5.4, 5.5, 5.6.0a1, 5.6.0a3

NetworkManagerHUD.OnGUI(), NetworkIdentity.UnetStaticUpdate() and Network.Update shows simmilar results in profiler for all versions

Tested on:
OSX 10.12.4
2,8 GHz Intel Core i5
Intel Iris Pro Graphics 6200 1536 MB

  1. Response avatar

    Resolution Note (2018.1.X):

    Mass closure of UNET Bugs.
    As UNet is Deprecated we are moving to low maintenance mode, where critical issues can get fixes.
    Closing this bug as part of cleaning-up the Bug List.

    If you feel this bug is really a road-blocker, you can reopen the bug and we will work this one.

Comments (4)

  1. 7989b6dc67ed5fe4d7ff338efe3cf15b?d=mm


    Jul 18, 2020 18:38

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  2. 43a267c0fd676c1be58d9ce998c5c69b?d=mm


    Sep 22, 2017 18:56

    I reported this problem in early May, although here it says it's fixed is not so. I begin to think that they will never fix it. I miss the stability of unity 4.

  3. 4b38dae05c4e294ee8362ec988231815?d=mm


    Sep 05, 2017 12:55

    Still waiting for the fix too

  4. 43a267c0fd676c1be58d9ce998c5c69b?d=mm


    Jun 02, 2017 17:10

    The fix is still not present in the 2017.1b8 version or in any of the 5.6 patches. Is there any estimated time to implement the fix?

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