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0030959: OSD_Parallel_TBB: number of execution threads is strictly limited by the root scope

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Do not limit number of available threads by number of items processed within the root scope due to possibility of spawning of an additional threads within the subscopes.
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oan 2019-09-11 11:04:03 +03:00 committed by bugmaster
parent ac293bde7f
commit 3068c3bb65
1 changed files with 1 additions and 1 deletions
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src/OSD/OSD_Parallel_TBB.cxx
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@ -40,7 +40,7 @@ void OSD_Parallel::forEachExternal (UniversalIterator& theBegin,
{
const Handle(OSD_ThreadPool)& aThreadPool = OSD_ThreadPool::DefaultPool();
const Standard_Integer aNbThreads = theNbItems > 0 ?
Min (theNbItems, aThreadPool->NbDefaultThreadsToLaunch()) : -1;
aThreadPool->NbDefaultThreadsToLaunch() : -1;
tbb::task_scheduler_init aScheduler (aNbThreads);
tbb::parallel_for_each (theBegin, theEnd, theFunctor);