| /**************************************************************************** |
| ** |
| ** 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 |
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| ** 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 <QObject> |
| #include <QtTest/QtTest> |
| |
| #include <Qt3DCore/private/qframeallocator_p.h> |
| |
| using namespace Qt3DCore; |
| |
| class tst_QFrameAllocator : public QObject |
| { |
| Q_OBJECT |
| |
| private Q_SLOTS: |
| void benchmarkAllocateSmall(); |
| void benchmarkAllocateBig(); |
| void benchmarkDeallocateSmall(); |
| void benchmarkDeallocateBig(); |
| void benchmarkAllocateRaw(); |
| void benchmarkDeallocateRaw(); |
| }; |
| |
| namespace { |
| template<uint Size> |
| struct Object { |
| char data[Size]; |
| }; |
| |
| template<uint Size> |
| void benchmarkAlloc() |
| { |
| QFrameAllocator allocator(128, 16, 128); |
| QVector<Object<Size>*> items(10000); |
| QBENCHMARK_ONCE { |
| for (int i = 0; i < items.size(); ++i) { |
| items[i] = allocator.allocate< Object<Size> >(); |
| } |
| } |
| for (Object<Size>* item : qAsConst(items)) { |
| allocator.deallocate(item); |
| } |
| } |
| |
| template<uint Size> |
| void benchmarkDealloc() |
| { |
| QFrameAllocator allocator(128, 16, 128); |
| QVector<Object<Size>*> items(10000); |
| for (int i = 0; i < items.size(); ++i) { |
| items[i] = allocator.allocate< Object<Size> >(); |
| } |
| QBENCHMARK_ONCE { |
| for (Object<Size>* item : qAsConst(items)) { |
| allocator.deallocate(item); |
| } |
| } |
| } |
| } |
| |
| void tst_QFrameAllocator::benchmarkAllocateSmall() |
| { |
| benchmarkAlloc<16>(); |
| } |
| |
| void tst_QFrameAllocator::benchmarkAllocateBig() |
| { |
| benchmarkAlloc<128>(); |
| } |
| |
| void tst_QFrameAllocator::benchmarkDeallocateSmall() |
| { |
| benchmarkDealloc<16>(); |
| } |
| |
| void tst_QFrameAllocator::benchmarkDeallocateBig() |
| { |
| benchmarkDealloc<128>(); |
| } |
| |
| void tst_QFrameAllocator::benchmarkAllocateRaw() |
| { |
| QFrameAllocator allocator(128, 16, 128); |
| QVector<void*> items(10000); |
| QBENCHMARK_ONCE { |
| for (int i = 0; i < items.size(); ++i) { |
| items[i] = allocator.allocateRawMemory(i % 128 + 1); |
| } |
| } |
| for (int i = 0; i < items.size(); ++i) { |
| allocator.deallocateRawMemory(items[i], i % 128 + 1); |
| } |
| } |
| |
| void tst_QFrameAllocator::benchmarkDeallocateRaw() |
| { |
| QFrameAllocator allocator(128, 16, 128); |
| QVector<void*> items(10000); |
| for (int i = 0; i < items.size(); ++i) { |
| items[i] = allocator.allocateRawMemory(i % 128 + 1); |
| } |
| QBENCHMARK_ONCE { |
| for (int i = 0; i < items.size(); ++i) { |
| allocator.deallocateRawMemory(items[i], i % 128 + 1); |
| } |
| } |
| } |
| |
| QTEST_APPLESS_MAIN(tst_QFrameAllocator) |
| #include "tst_bench_qframeallocator.moc" |