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Fixed
Votes
0
Found in
5.5.0a5
Issue ID
823567
Regression
Yes
[metal/hlslcc/runtime][OSX] Significant performance regression on OSX Metal builds
Steps to reproduce:
1. Open attached project
2. Change graphics API to 'Metal' for Mac Standalone
3. Build 'Elements Preview' scene
4. Attach the built app to Xcode project and observe the CPU/GPU frametime (this can only be done in macOS Sierra update, previous OSX versions don't have this functionality)
Repeat these steps with 5.5.0 (trunk) and metal/hlslcc/runtime branch, notice the big difference in both CPU and GPU frame time.
My results:
trunk:
CPU: 16 - 17ms
GPU: 16 - 18ms
metal/hlslcc/runtime:
CPU: 33 - 39ms
GPU: 37 - 38ms
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