qt 6.5.1 original

tests/benchmarks/network/access/qfile_vs_qnetworkaccessmanager/CMakeLists.txt

@@ -0,0 +1,14 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_bench_qfile_vs_qnetworkaccessmanager Binary:
+#####################################################################
+
+qt_internal_add_benchmark(tst_bench_qfile_vs_qnetworkaccessmanager
+    SOURCES
+        main.cpp
+    LIBRARIES
+        Qt::Network
+        Qt::Test
+)

tests/benchmarks/network/access/qfile_vs_qnetworkaccessmanager/main.cpp

@@ -0,0 +1,154 @@
+// Copyright (C) 2020 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#include <QDebug>
+#include <qtest.h>
+#include <QTest>
+#include <QTestEventLoop>
+#include <QtNetwork/qnetworkreply.h>
+#include <QtNetwork/qnetworkrequest.h>
+#include <QtNetwork/qnetworkaccessmanager.h>
+#include <QtCore/QTemporaryFile>
+#include <QtCore/QElapsedTimer>
+#include <QtCore/QFile>
+
+class qfile_vs_qnetworkaccessmanager : public QObject
+{
+    Q_OBJECT
+protected:
+    void qnamFileRead_iteration(QNetworkAccessManager &manager, QNetworkRequest &request);
+    void qnamImmediateFileRead_iteration(QNetworkAccessManager &manager, QNetworkRequest &request);
+    void qfileFileRead_iteration();
+    static const int iterations = 10;
+
+private slots:
+    void qnamFileRead();
+    void qnamImmediateFileRead();
+    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 or 10 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;
+    QElapsedTimer t;
+    QNetworkRequest request(QUrl::fromLocalFile(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() << Qt::endl << "Finished!";
+    qDebug() << "Bytes:" << size;
+    qDebug() << "Speed:" <<  (qreal(size*iterations) / 1024.0) / (qreal(elapsed) / 1000.0) << "KB/sec";
+}
+
+void qfile_vs_qnetworkaccessmanager::qnamImmediateFileRead_iteration(QNetworkAccessManager &manager, QNetworkRequest &request)
+{
+    QNetworkReply* reply = manager.get(request);
+    QVERIFY(reply->isFinished()); // should be like that!
+    QByteArray qba = reply->readAll();
+    delete reply;
+}
+
+void qfile_vs_qnetworkaccessmanager::qnamImmediateFileRead()
+{
+    QNetworkAccessManager manager;
+    QElapsedTimer t;
+    QNetworkRequest request(QUrl::fromLocalFile(testFile.fileName()));
+
+    // do 3 dry runs for cache warmup
+    qnamImmediateFileRead_iteration(manager, request);
+    qnamImmediateFileRead_iteration(manager, request);
+    qnamImmediateFileRead_iteration(manager, request);
+
+    t.start();
+    // 10 real runs
+    QBENCHMARK_ONCE {
+        for (int i = 0; i < iterations; i++) {
+            qnamImmediateFileRead_iteration(manager, request);
+        }
+    }
+
+    qint64 elapsed = t.elapsed();
+    qDebug() << Qt::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()
+{
+    QElapsedTimer 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() << Qt::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"