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Limit the number of concurrent file parsing threads

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This commit is contained in:
Brad Davis 2016-02-08 23:45:04 -08:00
parent 421160eeb6
commit 6a66d74e19
1 changed files with 18 additions and 3 deletions
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21
interface/src/Application.cpp
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@ -12,13 +12,13 @@
#include "Application.h"
#include <gl/Config.h>
#include <glm/glm.hpp>
#include <glm/gtx/component_wise.hpp>
#include <glm/gtx/quaternion.hpp>
#include <glm/gtx/vector_angle.hpp>
#include <glm/gtc/type_ptr.hpp>
#include <Qt>
#include <QtCore/QDebug>
#include <QtCore/QJsonDocument>
#include <QtCore/QJsonObject>
@ -27,6 +27,7 @@
#include <QtCore/QTimer>
#include <QtCore/QAbstractNativeEventFilter>
#include <QtCore/QMimeData>
#include <QtCore/QThreadPool>
#include <QtGui/QScreen>
#include <QtGui/QImage>
@ -419,6 +420,14 @@ Application::Application(int& argc, char** argv, QElapsedTimer& startupTimer) :
_maxOctreePPS(maxOctreePacketsPerSecond.get()),
_lastFaceTrackerUpdate(0)
{
// FIXME this may be excessivly 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(2);
thread()->setPriority(QThread::HighPriority);
thread()->setObjectName("Main Thread");
setInstance(this);
@ -1287,6 +1296,9 @@ void Application::initializeUi() {
}
void Application::paintGL() {
// paintGL uses a queued connection, so we can get messages from the queue even after we've quit
// and the plugins have shutdown
if (_aboutToQuit) {
@ -4762,8 +4774,11 @@ void Application::updateDisplayMode() {
foreach(auto displayPlugin, standard) {
addDisplayPluginToMenu(displayPlugin, first);
// This must be a queued connection to avoid a deadlock
QObject::connect(displayPlugin.get(), &DisplayPlugin::requestRender,
this, &Application::paintGL, Qt::QueuedConnection);
QObject::connect(displayPlugin.get(), &DisplayPlugin::requestRender, [=] {
postEvent(this, new LambdaEvent([=] {
paintGL();
}), Qt::HighEventPriority);
});
QObject::connect(displayPlugin.get(), &DisplayPlugin::recommendedFramebufferSizeChanged, [this](const QSize & size) {
resizeGL();