Comments (5)
MikhailGorobets
commented on June 20, 2024
@speedym What is stage of execution? Shader compilation or archive serialization?
Also try experimenting with the number of threads (argument -t)
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speedym
commented on June 20, 2024
@MikhailGorobets I have sent a repro case via email as it is under NDA. I think only one instance of the metal tool is called at any given moment.
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speedym
commented on June 20, 2024
I have just retested with the latest RenderStatePackager and I can confirm that this issue has not been fixed. The idle% when using top command line tool is 90%, and the average CPU usage is around 10%.
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TheMostDiligent
commented on June 20, 2024
The packager starts the specified number of threads, and on MacOS it starts individual process to compile shaders in every thread. Our initial investigation showed that there is a bottleneck in GLSLang memory allocator.
We will investigate this issue further.
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TheMostDiligent
commented on June 20, 2024
Apparently, this works OK on M1 MacBooks, so there might be some issue on Apple side.
@speedym closing this now, but feel free to reopen if the issue is still relevant.
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