summaryrefslogtreecommitdiffstats
path: root/tests/benchmarks/corelib/tools/containers-sequential/main.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tests/benchmarks/corelib/tools/containers-sequential/main.cpp')
-rw-r--r--tests/benchmarks/corelib/tools/containers-sequential/main.cpp247
1 files changed, 0 insertions, 247 deletions
diff --git a/tests/benchmarks/corelib/tools/containers-sequential/main.cpp b/tests/benchmarks/corelib/tools/containers-sequential/main.cpp
deleted file mode 100644
index 98716e83a9..0000000000
--- a/tests/benchmarks/corelib/tools/containers-sequential/main.cpp
+++ /dev/null
@@ -1,247 +0,0 @@
-/****************************************************************************
-**
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-// This file contains benchmarks for comparing QList against std::vector
-
-#include <QtCore>
-#include <QList>
-#include <vector>
-
-#include <qtest.h>
-
-template <typename T> // T is the item type
-class UseCases {
-public:
- virtual ~UseCases() {}
-
- // Use case: Insert \a size items into the vector.
- virtual void insert(int size) = 0;
-
- // Use case: Lookup \a size items from the vector.
- virtual void lookup(int size) = 0;
-};
-
-template <typename T>
-T * f(T *ts) // dummy function to prevent code from being optimized away by the compiler
-{
- return ts;
-}
-
-// This subclass implements the use cases using QList as efficiently as possible.
-template<typename T>
-class UseCases_QList : public UseCases<T>
-{
- void insert(int size)
- {
- QList<T> v;
- T t{};
- QBENCHMARK {
- for (int i = 0; i < size; ++i)
- v.append(t);
- }
- }
-
- void lookup(int size)
- {
- QList<T> v;
-
- T t{};
- for (int i = 0; i < size; ++i)
- v.append(t);
-
- T *ts = new T[size];
- QBENCHMARK {
- for (int i = 0; i < size; ++i)
- ts[i] = v.value(i);
- }
- f<T>(ts);
- delete[] ts;
- }
-};
-
-// This subclass implements the use cases using std::vector as efficiently as possible.
-template <typename T>
-class UseCases_stdvector : public UseCases<T>
-{
- void insert(int size)
- {
- std::vector<T> v;
- T t;
- QBENCHMARK {
- for (int i = 0; i < size; ++i)
- v.push_back(t);
- }
- }
-
- void lookup(int size)
- {
- std::vector<T> v;
-
- T t;
- for (int i = 0; i < size; ++i)
- v.push_back(t);
-
- T *ts = new T[size];
- QBENCHMARK {
- for (int i = 0; i < size; ++i)
- ts[i] = v[i];
- }
- f<T>(ts);
- delete[] ts;
- }
-};
-
-struct Large { // A "large" item type
- int x[1000];
-};
-
-#define LARGE_MAX_SIZE 20000
-
-class tst_vector_vs_std : public QObject
-{
- Q_OBJECT
-public:
- tst_vector_vs_std()
- {
- useCases_QList_int = new UseCases_QList<int>;
- useCases_stdvector_int = new UseCases_stdvector<int>;
-
- useCases_QList_Large = new UseCases_QList<Large>;
- useCases_stdvector_Large = new UseCases_stdvector<Large>;
- }
-
-private:
- UseCases<int> *useCases_QList_int;
- UseCases<int> *useCases_stdvector_int;
- UseCases<Large> *useCases_QList_Large;
- UseCases<Large> *useCases_stdvector_Large;
-
-private slots:
- void insert_int_data();
- void insert_int();
- void insert_Large_data();
- void insert_Large();
- void lookup_int_data();
- void lookup_int();
- void lookup_Large_data();
- void lookup_Large();
-};
-
-void tst_vector_vs_std::insert_int_data()
-{
- QTest::addColumn<bool>("useStd");
- QTest::addColumn<int>("size");
-
- for (int size = 10; size < 20000; size += 100) {
- const QByteArray sizeString = QByteArray::number(size);
- QTest::newRow(QByteArray("std::vector-int--" + sizeString).constData()) << true << size;
- QTest::newRow(QByteArray("QList-int--" + sizeString).constData()) << false << size;
- }
-}
-
-void tst_vector_vs_std::insert_int()
-{
- QFETCH(bool, useStd);
- QFETCH(int, size);
-
- if (useStd)
- useCases_stdvector_int->insert(size);
- else
- useCases_QList_int->insert(size);
-}
-
-void tst_vector_vs_std::insert_Large_data()
-{
- QTest::addColumn<bool>("useStd");
- QTest::addColumn<int>("size");
-
- for (int size = 10; size < LARGE_MAX_SIZE; size += 100) {
- const QByteArray sizeString = QByteArray::number(size);
- QTest::newRow(QByteArray("std::vector-Large--" + sizeString).constData()) << true << size;
- QTest::newRow(QByteArray("QList-Large--" + sizeString).constData()) << false << size;
- }
-}
-
-void tst_vector_vs_std::insert_Large()
-{
- QFETCH(bool, useStd);
- QFETCH(int, size);
-
- if (useStd)
- useCases_stdvector_Large->insert(size);
- else
- useCases_QList_Large->insert(size);
-}
-
-void tst_vector_vs_std::lookup_int_data()
-{
- QTest::addColumn<bool>("useStd");
- QTest::addColumn<int>("size");
-
- for (int size = 10; size < 20000; size += 100) {
- const QByteArray sizeString = QByteArray::number(size);
- QTest::newRow(QByteArray("std::vector-int--" + sizeString).constData()) << true << size;
- QTest::newRow(QByteArray("QList-int--" + sizeString).constData()) << false << size;
- }
-}
-
-void tst_vector_vs_std::lookup_int()
-{
- QFETCH(bool, useStd);
- QFETCH(int, size);
-
- if (useStd)
- useCases_stdvector_int->lookup(size);
- else
- useCases_QList_int->lookup(size);
-}
-
-void tst_vector_vs_std::lookup_Large_data()
-{
- QTest::addColumn<bool>("useStd");
- QTest::addColumn<int>("size");
-
- for (int size = 10; size < LARGE_MAX_SIZE; size += 100) {
- const QByteArray sizeString = QByteArray::number(size);
- QTest::newRow(QByteArray("std::vector-Large--" + sizeString).constData()) << true << size;
- QTest::newRow(QByteArray("QList-Large--" + sizeString).constData()) << false << size;
- }
-}
-
-void tst_vector_vs_std::lookup_Large()
-{
- QFETCH(bool, useStd);
- QFETCH(int, size);
-
- if (useStd)
- useCases_stdvector_Large->lookup(size);
- else
- useCases_QList_Large->lookup(size);
-}
-
-QTEST_MAIN(tst_vector_vs_std)
-#include "main.moc"