New Benchmark: file:// with QFile vs QNetworkAccessManager

Reviewed-by: Leo

2 files changed, 171 insertions, 0 deletions

diff --git a/tests/benchmarks/qfile_vs_qnetworkaccessmanager/main.cpp b/tests/benchmarks/qfile_vs_qnetworkaccessmanager/main.cpp
new file mode 100644
index 0000000..6a95c81
--- /dev/null
+++ b/tests/benchmarks/qfile_vs_qnetworkaccessmanager/main.cpp
@@ -0,0 +1,158 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights.  These rights are described in the Nokia Qt LGPL
+** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <QDebug>
+#include <qtest.h>
+#include <QtTest/QtTest>
+#include <QtNetwork/qnetworkreply.h>
+#include <QtNetwork/qnetworkrequest.h>
+#include <QtNetwork/qnetworkaccessmanager.h>
+#include <QtCore/QTemporaryFile>
+#include <QtCore/QFile>
+#include "../../auto/network-settings.h"
+
+class qfile_vs_qnetworkaccessmanager : public QObject
+{
+    Q_OBJECT
+    // do not use on symbian.. 100 MB is too large..
+    // but.. this is a manual test anyway, so :)
+protected:
+    void qnamFileRead_iteration(QNetworkAccessManager &manager, QNetworkRequest &request);
+    void qfileFileRead_iteration();
+    static const int iterations = 10;
+
+private slots:
+    void qnamFileRead();
+    void qfileFileRead();
+
+    void initTestCase();
+    void cleanupTestCase();
+
+public:
+    qint64 size;
+    QTemporaryFile testFile;
+
+    qfile_vs_qnetworkaccessmanager() : QObject(), size(0) {};
+};
+
+void qfile_vs_qnetworkaccessmanager::initTestCase()
+{
+    testFile.open();
+    QByteArray qba(1*1024*1024, 'x'); // 1 MB
+    for (int i = 0; i < 100; i++) {
+        testFile.write(qba);
+        testFile.flush();
+        size += qba.size();
+    } // 100 MB
+    testFile.reset();
+}
+
+void qfile_vs_qnetworkaccessmanager::cleanupTestCase()
+{
+
+}
+
+void qfile_vs_qnetworkaccessmanager::qnamFileRead_iteration(QNetworkAccessManager &manager, QNetworkRequest &request)
+{
+    QNetworkReply* reply = manager.get(request);
+    connect(reply, SIGNAL(finished()), &QTestEventLoop::instance(), SLOT(exitLoop()), Qt::QueuedConnection);
+    QTestEventLoop::instance().enterLoop(10);
+    QVERIFY(!QTestEventLoop::instance().timeout());
+    QByteArray qba = reply->readAll();
+    delete reply;
+}
+
+void qfile_vs_qnetworkaccessmanager::qnamFileRead()
+{
+    QNetworkAccessManager manager;
+    QTime t;
+    QNetworkRequest request(QUrl(testFile.fileName()));
+
+    // do 3 dry runs for cache warmup
+    qnamFileRead_iteration(manager, request);
+    qnamFileRead_iteration(manager, request);
+    qnamFileRead_iteration(manager, request);
+
+    t.start();
+    // 10 real runs
+    QBENCHMARK_ONCE {
+        for (int i = 0; i < iterations; i++) {
+            qnamFileRead_iteration(manager, request);
+        }
+    }
+
+    qint64 elapsed = t.elapsed();
+    qDebug() << endl << "Finished!";
+    qDebug() << "Bytes:" << size;
+    qDebug() << "Speed:" <<  (qreal(size*iterations) / 1024.0) / (qreal(elapsed) / 1000.0) << "KB/sec";
+}
+
+void qfile_vs_qnetworkaccessmanager::qfileFileRead_iteration()
+{
+    testFile.reset();
+    QByteArray qba = testFile.readAll();
+}
+
+void qfile_vs_qnetworkaccessmanager::qfileFileRead()
+{
+    QTime t;
+
+    // do 3 dry runs for cache warmup
+    qfileFileRead_iteration();
+    qfileFileRead_iteration();
+    qfileFileRead_iteration();
+
+    t.start();
+    // 10 real runs
+    QBENCHMARK_ONCE {
+        for (int i = 0; i < iterations; i++) {
+            qfileFileRead_iteration();
+        }
+    }
+
+    qint64 elapsed = t.elapsed();
+    qDebug() << endl << "Finished!";
+    qDebug() << "Bytes:" << size;
+    qDebug() << "Speed:" <<  (qreal(size*iterations) / 1024.0) / (qreal(elapsed) / 1000.0) << "KB/sec";
+}
+
+QTEST_MAIN(qfile_vs_qnetworkaccessmanager)
+
+#include "main.moc"
diff --git a/tests/benchmarks/qfile_vs_qnetworkaccessmanager/qfile_vs_qnetworkaccessmanager.pro b/tests/benchmarks/qfile_vs_qnetworkaccessmanager/qfile_vs_qnetworkaccessmanager.pro
new file mode 100644
index 0000000..99d1935
--- /dev/null
+++ b/tests/benchmarks/qfile_vs_qnetworkaccessmanager/qfile_vs_qnetworkaccessmanager.pro
@@ -0,0 +1,13 @@
+load(qttest_p4)
+TEMPLATE = app
+TARGET = qfile_vs_qnetworkaccessmanager
+DEPENDPATH += .
+INCLUDEPATH += .
+
+QT -= gui
+QT += network
+
+CONFIG += release
+
+# Input
+SOURCES += main.cpp