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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module 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 <QtTest/QtTest>
#include <QMatrix4x4>
#include <Qt3DCore/private/qhandle_p.h>
#include <Qt3DCore/private/qresourcemanager_p.h>
#include <ctime>
#include <cstdlib>
class tst_QResourceManager : public QObject
{
Q_OBJECT
private Q_SLOTS:
void benchmarkAllocateSmallResources();
void benchmarkAccessSmallResources();
void benchmarkLookupSmallResources();
void benchmarRandomAccessSmallResources();
void benchmarkRandomLookupSmallResources();
void benchmarkReleaseSmallResources();
void benchmarkAllocateBigResources();
void benchmarkAccessBigResources();
void benchmarRandomAccessBigResources();
void benchmarkLookupBigResources();
void benchmarkRandomLookupBigResources();
void benchmarkReleaseBigResources();
};
class tst_SmallArrayResource
{
public:
tst_SmallArrayResource() : m_value(0)
{}
int m_value;
};
class tst_BigArrayResource
{
public:
QMatrix4x4 m_matrix;
};
template<typename Resource>
void benchmarkAllocateResources()
{
Qt3DCore::QResourceManager<Resource, int, 16> manager;
volatile Resource *c;
QBENCHMARK_ONCE {
const int max = (1 << 16) - 1;
for (int i = 0; i < max; i++)
c = manager.getOrCreateResource(i);
}
Q_UNUSED(c);
}
template<typename Resource>
void benchmarkAccessResources()
{
Qt3DCore::QResourceManager<Resource, int, 16> manager;
const int max = (1 << 16) - 1;
QVector<Qt3DCore::QHandle<Resource> > handles(max);
for (int i = 0; i < max; i++)
handles[i] = manager.acquire();
volatile Resource *c;
QBENCHMARK {
for (int i = 0; i < max; i++)
c = manager.data(handles[i]);
}
Q_UNUSED(c);
}
template<typename Resource>
void benchmarkRandomAccessResource() {
Qt3DCore::QResourceManager<Resource, int, 16> manager;
const int max = (1 << 16) - 1;
QVector<Qt3DCore::QHandle<Resource> > handles(max);
for (int i = 0; i < max; i++)
handles[i] = manager.acquire();
std::srand(std::time(0));
std::random_shuffle(handles.begin(), handles.end());
volatile Resource *c;
QBENCHMARK {
for (int i = 0; i < max; i++)
c = manager.data(handles[i]);
}
Q_UNUSED(c);
}
template<typename Resource>
void benchmarkLookupResources()
{
Qt3DCore::QResourceManager<Resource, int, 16> manager;
const int max = (1 << 16) - 1;
for (int i = 0; i < max; i++)
manager.getOrCreateResource(i);
volatile Resource *c;
QBENCHMARK {
for (int i = 0; i < max; i++)
c = manager.lookupResource(i);
}
Q_UNUSED(c);
}
template<typename Resource>
void benchmarkRandomLookupResources()
{
Qt3DCore::QResourceManager<Resource, int, 16> manager;
const int max = (1 << 16) - 1;
QVector<int> resourcesIndices(max);
for (int i = 0; i < max; i++) {
manager.getOrCreateResource(i);
resourcesIndices[i] = i;
}
std::srand(std::time(0));
std::random_shuffle(resourcesIndices.begin(), resourcesIndices.end());
volatile Resource *c;
QBENCHMARK {
for (int i = 0; i < max; i++)
c = manager.lookupResource(resourcesIndices[i]);
}
Q_UNUSED(c);
}
template<typename Resource>
void benchmarkReleaseResources()
{
Qt3DCore::QResourceManager<Resource, int, 16> manager;
const int max = (1 << 16) - 1;
QVector<Qt3DCore::QHandle<Resource> > handles(max);
for (int i = 0; i < max; i++)
handles[i] = manager.acquire();
QBENCHMARK_ONCE {
manager.reset();
}
}
void tst_QResourceManager::benchmarkAllocateSmallResources()
{
benchmarkAllocateResources<tst_SmallArrayResource>();
}
void tst_QResourceManager::benchmarkAccessSmallResources()
{
benchmarkAccessResources<tst_SmallArrayResource>();
}
void tst_QResourceManager::benchmarkLookupSmallResources()
{
benchmarkLookupResources<tst_SmallArrayResource>();
}
void tst_QResourceManager::benchmarRandomAccessSmallResources()
{
benchmarkRandomAccessResource<tst_SmallArrayResource>();
}
void tst_QResourceManager::benchmarkRandomLookupSmallResources()
{
benchmarkRandomLookupResources<tst_SmallArrayResource>();
}
void tst_QResourceManager::benchmarkReleaseSmallResources()
{
benchmarkReleaseResources<tst_SmallArrayResource>();
}
void tst_QResourceManager::benchmarkAllocateBigResources()
{
benchmarkAllocateResources<tst_BigArrayResource>();
}
void tst_QResourceManager::benchmarkAccessBigResources()
{
benchmarkAccessResources<tst_BigArrayResource>();
}
void tst_QResourceManager::benchmarRandomAccessBigResources()
{
benchmarkRandomAccessResource<tst_BigArrayResource>();
}
void tst_QResourceManager::benchmarkLookupBigResources()
{
benchmarkLookupResources<tst_BigArrayResource>();
}
void tst_QResourceManager::benchmarkRandomLookupBigResources()
{
benchmarkRandomLookupResources<tst_BigArrayResource>();
}
void tst_QResourceManager::benchmarkReleaseBigResources()
{
benchmarkReleaseResources<tst_BigArrayResource>();
}
QTEST_APPLESS_MAIN(tst_QResourceManager)
#include "tst_bench_qresourcesmanager.moc"
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