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Votes
0
Found in
2019.4
2020.3
2021.1
2021.1.15f1
2021.2
2022.1
Issue ID
1361704
Regression
No
Using a NativeList.ParallelWriter in an IJobParallelFor completes in out of order thread results
Reproduction steps:
1. Open the attached project "1361704repro.zip"
2. Go to Assets/Scenes/"SampleScene"
3. Enter Play mode and observe the Console window
Expected result: Thread results are in order
Actual result: Thread results are out of order
Reproducible with: 2019.4.31f1, 2020.3.20f1, 2021.1.24f1, 2021.2.0b14, 2022.1.0a11
Notes:
-Changing the IJobParallelFor that populated the NativeList with NativeList.ParallelWriter.AddNoResize to be IJobFor fixed the issue
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Resolution Note:
This is expected behavior. User cannot expect specific order when list is populated in parallel. If sorted order is desired, user must run sort after the list is populated.