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AudioWorkgroups: Add os_workgroup_max_parallel_threads support

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reuk 2023-11-08 12:17:17 +00:00 • committed by Oliver James
parent 387eea5f51
commit 70651f1c67
2 changed files with 22 additions and 0 deletions
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15
modules/juce_audio_basics/utilities/juce_AudioWorkgroup.cpp
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@ -204,6 +204,21 @@ void AudioWorkgroup::join (WorkgroupToken& token) const
token.reset();
}
size_t AudioWorkgroup::getMaxParallelThreadCount() const
{
#if JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE
if (@available (macos 11.0, ios 14.0, *))
{
if (auto wg = WorkgroupProvider::getWorkgroup (*this))
return (size_t) os_workgroup_max_parallel_threads (wg, nullptr);
}
#endif
return 0;
}
AudioWorkgroup::operator bool() const { return WorkgroupProvider::getWorkgroup (*this) != nullptr; }
#if JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE

7
modules/juce_audio_basics/utilities/juce_AudioWorkgroup.h
View file

@ -203,6 +203,13 @@ public:
*/
void reset() { erased = nullptr; }
/** Returns the recommended maximum number of parallel threads that should join this workgroup.
This recommendation is based on the workgroup attributes and current hardware, but not on
system load. On a very busy system, it may be more effective to use fewer parallel threads.
*/
size_t getMaxParallelThreadCount() const;
private:
const WorkgroupProvider* getWorkgroupProvider() const { return erased != nullptr ? erased() : nullptr; }