Search Issue Tracker

Fixed in 2020.2

Fixed in 2019.3, 2020.1

Votes

5

Found in

2019.3.2f1

2019.3.7f1

2020.1

2020.2

Issue ID

1233944

Regression

Yes

Mesh API calls causes slowdown in Play Mode

Graphics - General

-

How to reproduce:
1. Open the attached 'InfiniGRASS_SUBMIT2019.3_URP.zip' project
2. Open 'Open DEMO v1.7 SCRIPTED INTERACTIVE GRASS DEMO URP' Scene
3. Enter Play Mode
4. Open Window > Analysis > Profiler
5. Observe ControlCombineChildrenINfiniDyGrass.LateUpdate() CPU usage

Expected result: Separate Mesh API calls such as Mesh.GetTriangles() takes up to 1% of total CPU usage
Actual result: Separate Mesh API calls such as Mesh.GetTriangles() takes from 11% to 23% of total CPU usage

Reproducible with: 2019.3.2f1, 2019.3.13f1, 2020.1.0b8, 2020.2.0a10
Not reproducible with: 2018.4.22f1, 2019.3.1f1

Notes:
- Screenshots of the issue are attached in Edit
- When entering Play Mode Editor lags/freezes for a minute
- Reproducible with:
OS: 10.15.4, CPU: 2.4 GHz 8-Core Intel Core i9 GPU: AMD Radeon Pro 5500M 8GB
OS: Win10, CPU: Intel(R) Core(TM) i7-9700K 3.60GHz, GPU: NVIDIA GeForce RTX 2060 6GB
OS: Win10, CPU: i7-6900k (8 cores), GPU: NVIDIA GeForce 1080TI
- Not reproducible with:
OS: 10.14.6, CPU: 2,5 GHz Intel Core i7, AMD Radeon R9 m370X 2GB
OS: Win10, CPU: i7-6700, GPU: NVIDIA GeForce 960M
OS: Win10, CPU: Intel i7-7600U 2.8 GHz, GPU: Intel HD Graphics 620

  1. Response avatar

    Resolution Note (fix version 2020.2):

    Fixed in 2020.2.0a12

  2. Response avatar

    Resolution Note (fix version 2020.1):

    Fixed in 2020.1.0b10

  3. Response avatar

    Resolution Note (fix version 2019.3):

    Fixed in 2019.3.15f1

Add comment

Log in to post comment

All about bugs

View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.