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Fixed in 2022.3.0f1
Fixed in 2022.3.X, 2023.3.X, 2023.3.0a1
Votes
1
Found in
2022.3.19f1
2023.3.0f1
Issue ID
UUM-7377
Regression
No
Slow scheduling performance when combining dependencies
Reproduction steps:
1. Open the user's attached project "EmptyTestBed.zip"
2. Enter Play mode
3. Open the Profiler window and select a frame
4. Observe "N Parallel Jobs With Paired Dependencies", "N Parallel Jobs" and "N Linear Jobs" usage in the Profiler Hierarchy and Timeline
Expected result: "N Parallel Jobs With Paired Dependencies" costs somewhat more of the CPU and time than "N Parallel Jobs" and "N Linear Jobs"
Actual result: "N Parallel Jobs With Paired Dependencies" costs a lot more of the CPU and time than "N Parallel Jobs" and "N Linear Jobs"
Reproducible with: 2019.4.36f1, 2020.3.31f1, 2021.2.15f1, 2022.1.0b11, 2022.2.0a8
Note: CombineDependencies calling ScheduleBatchedJobs might be the source of this issue
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Resolution Note (fix version 2022.3):
A new Job System backend has resolved problems around combining dependencies in situations like this.