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Update target number of processing threads to be based on system

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Ryan Huffman 2016-07-12 17:44:23 -07:00
parent 489d2e4ca5
commit fcd59ea94f
1 changed files with 6 additions and 7 deletions
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13
interface/src/Application.cpp
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@ -169,7 +169,12 @@ static QTimer identityPacketTimer;
static QTimer pingTimer;
static const int MAX_CONCURRENT_RESOURCE_DOWNLOADS = 16;
static const int PROCESSING_THREAD_POOL_SIZE = 6;
// For processing on QThreadPool, target 2 less than the ideal number of threads, leaving
// 2 logical cores available for time sensitive tasks.
static const int MIN_PROCESSING_THREAD_POOL_SIZE = 2;
static const int PROCESSING_THREAD_POOL_SIZE = std::max(MIN_PROCESSING_THREAD_POOL_SIZE,
QThread::idealThreadCount() - 2);
static const QString SNAPSHOT_EXTENSION = ".jpg";
static const QString SVO_EXTENSION = ".svo";
@ -514,12 +519,6 @@ Application::Application(int& argc, char** argv, QElapsedTimer& startupTimer) :
PluginContainer* pluginContainer = dynamic_cast<PluginContainer*>(this); // set the container for any plugins that care
PluginManager::getInstance()->setContainer(pluginContainer);
// FIXME this may be excessively conservative. On the other hand
// maybe I'm used to having an 8-core machine
// Perhaps find the ideal thread count and subtract 2 or 3
// (main thread, present thread, random OS load)
// More threads == faster concurrent loads, but also more concurrent
// load on the GPU until we can serialize GPU transfers (off the main thread)
QThreadPool::globalInstance()->setMaxThreadCount(PROCESSING_THREAD_POOL_SIZE);
thread()->setPriority(QThread::HighPriority);
thread()->setObjectName("Main Thread");