diff --git a/tests/benchmarks/corelib/tools/CMakeLists.txt b/tests/benchmarks/corelib/tools/CMakeLists.txt index c1b5cad1aa7..805aa922297 100644 --- a/tests/benchmarks/corelib/tools/CMakeLists.txt +++ b/tests/benchmarks/corelib/tools/CMakeLists.txt @@ -8,5 +8,6 @@ add_subdirectory(qlist) add_subdirectory(qmap) add_subdirectory(qrect) add_subdirectory(qringbuffer) +add_subdirectory(qsharedpointer) add_subdirectory(qstack) add_subdirectory(qvector) diff --git a/tests/benchmarks/corelib/tools/qsharedpointer/CMakeLists.txt b/tests/benchmarks/corelib/tools/qsharedpointer/CMakeLists.txt new file mode 100644 index 00000000000..5103fc32293 --- /dev/null +++ b/tests/benchmarks/corelib/tools/qsharedpointer/CMakeLists.txt @@ -0,0 +1,9 @@ +qt_internal_add_benchmark(tst_bench_shared_ptr + SOURCES + tst_bench_shared_ptr.cpp + INCLUDE_DIRECTORIES + . + PUBLIC_LIBRARIES + Qt::Core + Qt::Test +) diff --git a/tests/benchmarks/corelib/tools/qsharedpointer/tst_bench_shared_ptr.cpp b/tests/benchmarks/corelib/tools/qsharedpointer/tst_bench_shared_ptr.cpp new file mode 100644 index 00000000000..4430282403a --- /dev/null +++ b/tests/benchmarks/corelib/tools/qsharedpointer/tst_bench_shared_ptr.cpp @@ -0,0 +1,123 @@ +/**************************************************************************** +** +** Copyright (C) 2021 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include +#include +#include +#include + +#include +#include +#include +#include + +#if __has_include() +# include +# include +# define ONLY_IF_BOOST(x) x +#else +# define ONLY_IF_BOOST(x) QSKIP("This benchmark requires Boost.SharedPtr.") +#endif + +class tst_QSharedPointer : public QObject +{ + Q_OBJECT + +private Q_SLOTS: + void refAndDeref_null_QSP_int() { refAndDeref>(); } + void refAndDeref_null_SSP_int() { refAndDeref>(); } + void refAndDeref_null_BSP_int() { ONLY_IF_BOOST(refAndDeref>()); } + + void refAndDeref_null_QSP_QString() { refAndDeref>(); } + void refAndDeref_null_SSP_QString() { refAndDeref>(); } + void refAndDeref_null_BSP_QString() { ONLY_IF_BOOST(refAndDeref>()); } + + void refAndDeref_nonnull_QSP_int() { refAndDeref(QSharedPointer::create(42)); } + void refAndDeref_nonnull_SSP_int() { refAndDeref(std::make_shared(42)); } + void refAndDeref_nonnull_BSP_int() { ONLY_IF_BOOST(refAndDeref(boost::make_shared(42))); } + + void refAndDeref_nonnull_QSP_QString() { refAndDeref(QSharedPointer::create(QStringLiteral("Hello"))); } + void refAndDeref_nonnull_SSP_QString() { refAndDeref(std::make_shared(QStringLiteral("Hello"))); } + void refAndDeref_nonnull_BSP_QString() { ONLY_IF_BOOST(refAndDeref(boost::make_shared(QStringLiteral("Hello")))); } + +private: + template + void refAndDeref(SP sp = {}) + { + QBENCHMARK { + [[maybe_unused]] auto copy = sp; + } + } + +private Q_SLOTS: + void threadedRefAndDeref_null_QSP_int() { threadedRefAndDeref>(); } + void threadedRefAndDeref_null_SSP_int() { threadedRefAndDeref>(); } + void threadedRefAndDeref_null_BSP_int() { ONLY_IF_BOOST(threadedRefAndDeref>()); } + + void threadedRefAndDeref_null_QSP_QString() { threadedRefAndDeref>(); } + void threadedRefAndDeref_null_SSP_QString() { threadedRefAndDeref>(); } + void threadedRefAndDeref_null_BSP_QString() { ONLY_IF_BOOST(threadedRefAndDeref>()); } + + void threadedRefAndDeref_nonnull_QSP_int() { threadedRefAndDeref(QSharedPointer::create(42)); } + void threadedRefAndDeref_nonnull_SSP_int() { threadedRefAndDeref(std::make_shared(42)); } + void threadedRefAndDeref_nonnull_BSP_int() { ONLY_IF_BOOST(threadedRefAndDeref(boost::make_shared(42))); } + + void threadedRefAndDeref_nonnull_QSP_QString() { threadedRefAndDeref(QSharedPointer::create(QStringLiteral("Hello"))); } + void threadedRefAndDeref_nonnull_SSP_QString() { threadedRefAndDeref(std::make_shared(QStringLiteral("Hello"))); } + void threadedRefAndDeref_nonnull_BSP_QString() { ONLY_IF_BOOST(threadedRefAndDeref(boost::make_shared(QStringLiteral("Hello")))); } + +private: + template + void threadedRefAndDeref(SP sp = {}) + { + std::atomic cancel = false; + std::vector threads; + const auto numCores = std::max(2U, std::thread::hardware_concurrency()); + for (uint i = 0; i < numCores - 1; ++i) { + threads.emplace_back([sp, &cancel] { + while (!cancel.load(std::memory_order_relaxed)) { + for (int i = 0; i < 100; ++i) + [[maybe_unused]] auto copy = sp; + } + }); + } + const auto join = qScopeGuard([&] { + cancel.store(true, std::memory_order_relaxed); + for (auto &t : threads) + t.join(); + }); + + QBENCHMARK { + [[maybe_unused]] auto copy = sp; + } + } +}; + +QTEST_MAIN(tst_QSharedPointer) + +#include "tst_bench_shared_ptr.moc"