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sclang uses 80% CPU #34

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giuliomoro opened this issue Dec 29, 2016 · 1 comment
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sclang uses 80% CPU #34

giuliomoro opened this issue Dec 29, 2016 · 1 comment

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@giuliomoro
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giuliomoro commented Dec 29, 2016

Just start it with a patch like this (i.e.: doing nothing) and - once scsynth has booted, you will get CPU usage around 80% for sclang.
It should not affect much the performance of the audio (as that runs at a higher priority), but it may affect, e.g.: the networking/OSC stuff?

  • note that the CPU usage reported by top is as percentage where 100% corresponds to whatever has been left over from Xenomai (for instance if your audio is using 25% CPU, as reported by cat /proc/xenomai/stat, then 100% reported by top will actually be 75%).
@vivid-synth
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Looks like the same issue as supercollider#2144 . We'd really like to fix that but don't have a lot of people to look it over at the moment

giuliomoro added a commit to giuliomoro/supercollider that referenced this issue Aug 5, 2017
…This seems to be the solution for sensestage/supercollider/BelaPlatform#34 and supercollider/supercollider/supercollider#2144 , however I have no explanation as to why this issue only manifests itself when QT is disabled
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