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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore>
#include <QtWidgets/QTreeView>
#include <qtest.h>
#include "object.h"
#include <qcoreapplication.h>
#include <qdatetime.h>
enum {
CreationDeletionBenckmarkConstant = 34567,
SignalsAndSlotsBenchmarkConstant = 456789
};
class QObjectBenchmark : public QObject
{
Q_OBJECT
private slots:
void signal_slot_benchmark();
void signal_slot_benchmark_data();
void signal_many_receivers();
void signal_many_receivers_data();
void qproperty_benchmark_data();
void qproperty_benchmark();
void dynamic_property_benchmark();
void connect_disconnect_benchmark_data();
void connect_disconnect_benchmark();
void receiver_destroyed_benchmark();
};
struct Functor {
void operator()(){}
};
void QObjectBenchmark::signal_slot_benchmark_data()
{
QTest::addColumn<int>("type");
QTest::newRow("simple function") << 0;
QTest::newRow("single signal/slot") << 1;
QTest::newRow("multi signal/slot") << 2;
QTest::newRow("unconnected signal") << 3;
QTest::newRow("single signal/ptr") << 4;
QTest::newRow("functor") << 5;
}
void QObjectBenchmark::signal_slot_benchmark()
{
QFETCH(int, type);
Object singleObject;
Object multiObject;
Functor functor;
singleObject.setObjectName("single");
multiObject.setObjectName("multi");
if (type == 5) {
QObject::connect(&singleObject, &Object::signal0, functor);
} else if (type == 4) {
QObject::connect(&singleObject, &Object::signal0, &singleObject, &Object::slot0);
} else {
singleObject.connect(&singleObject, SIGNAL(signal0()), SLOT(slot0()));
}
multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(slot0()));
// multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal1()));
multiObject.connect(&multiObject, SIGNAL(signal1()), SLOT(slot1()));
// multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal2()));
multiObject.connect(&multiObject, SIGNAL(signal2()), SLOT(slot2()));
// multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal3()));
multiObject.connect(&multiObject, SIGNAL(signal3()), SLOT(slot3()));
// multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal4()));
multiObject.connect(&multiObject, SIGNAL(signal4()), SLOT(slot4()));
// multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal5()));
multiObject.connect(&multiObject, SIGNAL(signal5()), SLOT(slot5()));
// multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal6()));
multiObject.connect(&multiObject, SIGNAL(signal6()), SLOT(slot6()));
// multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal7()));
multiObject.connect(&multiObject, SIGNAL(signal7()), SLOT(slot7()));
// multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal8()));
multiObject.connect(&multiObject, SIGNAL(signal8()), SLOT(slot8()));
// multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal9()));
multiObject.connect(&multiObject, SIGNAL(signal9()), SLOT(slot9()));
if (type == 0) {
QBENCHMARK {
singleObject.slot0();
}
} else if (type == 1) {
QBENCHMARK {
singleObject.emitSignal0();
}
} else if (type == 2) {
QBENCHMARK {
multiObject.emitSignal0();
}
} else if (type == 3) {
QBENCHMARK {
singleObject.emitSignal1();
}
} else if (type == 4 || type == 5) {
QBENCHMARK {
singleObject.emitSignal0();
}
}
}
void QObjectBenchmark::signal_many_receivers_data()
{
QTest::addColumn<int>("receiverCount");
QTest::newRow("100 receivers") << 100;
QTest::newRow("1 000 receivers") << 1000;
QTest::newRow("10 000 receivers") << 10000;
}
void QObjectBenchmark::signal_many_receivers()
{
QFETCH(int, receiverCount);
Object sender;
std::vector<Object> receivers(receiverCount);
for (Object &receiver : receivers)
QObject::connect(&sender, &Object::signal0, &receiver, &Object::slot0);
QBENCHMARK {
sender.emitSignal0();
}
}
void QObjectBenchmark::qproperty_benchmark_data()
{
QTest::addColumn<QByteArray>("name");
const QMetaObject *mo = &QTreeView::staticMetaObject;
for (int i = 0; i < mo->propertyCount(); ++i) {
QMetaProperty prop = mo->property(i);
if (prop.isWritable())
QTest::newRow(prop.name()) << QByteArray(prop.name());
}
}
void QObjectBenchmark::qproperty_benchmark()
{
QFETCH(QByteArray, name);
const char *p = name.constData();
QTreeView obj;
QVariant v = obj.property(p);
QBENCHMARK {
obj.setProperty(p, v);
(void)obj.property(p);
}
}
void QObjectBenchmark::dynamic_property_benchmark()
{
QTreeView obj;
QBENCHMARK {
obj.setProperty("myProperty", 123);
(void)obj.property("myProperty");
obj.setProperty("myOtherProperty", 123);
(void)obj.property("myOtherProperty");
}
}
void QObjectBenchmark::connect_disconnect_benchmark_data()
{
QTest::addColumn<int>("type");
QTest::newRow("normalized signature") << 0;
QTest::newRow("unormalized signature") << 1;
QTest::newRow("function pointer") << 2;
QTest::newRow("normalized signature/handle") << 3;
QTest::newRow("unormalized signature/handle") << 4;
QTest::newRow("function pointer/handle") << 5;
QTest::newRow("functor/handle") << 6;}
void QObjectBenchmark::connect_disconnect_benchmark()
{
QFETCH(int, type);
switch (type) {
case 0: {
QTreeView obj;
QBENCHMARK {
QObject::connect (&obj, SIGNAL(viewportEntered()), &obj, SLOT(expandAll()));
QObject::disconnect(&obj, SIGNAL(viewportEntered()), &obj, SLOT(expandAll()));
}
} break;
case 1: {
QTreeView obj;
QBENCHMARK {
QObject::connect (&obj, SIGNAL(viewportEntered( )), &obj, SLOT(expandAll( ))); // sic: non-normalised
QObject::disconnect(&obj, SIGNAL(viewportEntered( )), &obj, SLOT(expandAll( ))); // sic: non-normalised
}
} break;
case 2: {
QTreeView obj;
QBENCHMARK {
QObject::connect (&obj, &QAbstractItemView::viewportEntered, &obj, &QTreeView::expandAll);
QObject::disconnect(&obj, &QAbstractItemView::viewportEntered, &obj, &QTreeView::expandAll);
}
} break;
case 3: {
QTreeView obj;
QBENCHMARK {
QObject::disconnect(QObject::connect(&obj, SIGNAL(viewportEntered()), &obj, SLOT(expandAll())));
}
} break;
case 4: {
QTreeView obj;
QBENCHMARK {
QObject::disconnect(QObject::connect(&obj, SIGNAL(viewportEntered( )), &obj, SLOT(expandAll( )))); // sic: non-normalised
}
} break;
case 5: {
QTreeView obj;
QBENCHMARK {
QObject::disconnect(QObject::connect(&obj, &QAbstractItemView::viewportEntered, &obj, &QTreeView::expandAll));
}
} break;
case 6: {
QTreeView obj;
Functor functor;
QBENCHMARK {
QObject::disconnect(QObject::connect(&obj, &QAbstractItemView::viewportEntered, functor));
}
} break;
}
}
void QObjectBenchmark::receiver_destroyed_benchmark()
{
Object sender;
QBENCHMARK {
Object receiver;
QObject::connect(&sender, &Object::signal0, &receiver, &Object::slot0);
}
}
QTEST_MAIN(QObjectBenchmark)
#include "main.moc"
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