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By Design
Votes
0
Found in [Package]
0.14.0 - preview.18
Issue ID
1271545
Regression
No
[ECS] EntityQuery.SetSharedComponentFilter generates GC Alloc every frame
How to reproduce:
1. Open the attached project (1271545-SharedGarbageRepro.zip)
2. Open the SampleScene and enter Play Mode
3. Open the Profiler window and start profiling
4. See the CPU Usage Module, PlayerLoop > SimulationSystemGroup GC Allocations
Expected result: no GC Alloc is generated
Actual result: 20 B of GC Alloc is generated every frame
Reproducible with: 2019.4.10f1(Entities preview.18 - 0.2.0, preview.4 - 0.11.1), 2020.1.5f1, 2020.2.0b2(Entities 0.14.0 - preview.18)
Could not test with: 2018.4.27f1(project incompatible), 2019.4.10f1(Entities preview - 0.1.1 namespace name 'AlwaysSynchronizeSystemAttribute' could not be found)
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Resolution Note:
The reported behavior is by design. We've communicated workarounds to the reporting team; please close if the workaround is acceptable, or let us know if you need additional assistance.