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* Use SPDX license identifiersLucie Gérard2022-05-1664-1732/+132
| | | | | | | | | | | | | Replace the current license disclaimer in files by a SPDX-License-Identifier. Files that have to be modified by hand are modified. License files are organized under LICENSES directory. Task-number: QTBUG-67283 Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
* benchmarks: fix deprecation warningsMarc Mutz2022-04-061-2/+2
| | | | | | | | | - count() -> size() - QCryptographicHash::addData(ptr, ch) -> ({ptr, ch}) (QByteArrayView overload) Pick-to: 6.3 Change-Id: I15dddfa5c4385dd2a0fa0c3ae06c303c7151e2dc Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
* More startOfDay() fixes, in tst_bench_QDateTimeEdward Welbourne2022-03-311-4/+5
| | | | | | | | | | | Update a QDateTime benchmark to use QDate::startOfDay() when setting up its lists of date-times in helper functions, and to use noon as the moment in the day in a creation test. Also move creation of a QTime outside the loop: we're testing speed of creation of QDateTime here, not QTime (and were already using the most trivial QTime constructor). Change-Id: I26bf3369aae84a802ab03791f7341e107fede87c Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
* Benchmarks: Do not depend on transitive includesFabian Kosmale2022-03-171-0/+1
| | | | | Change-Id: I1d0dbfca130f43d76de2d6ac585a0f242d490b5a Reviewed-by: Marc Mutz <marc.mutz@qt.io>
* Tests: Do not depend on transitive includesFabian Kosmale2022-03-171-0/+2
| | | | | Change-Id: Ibc6a948480a904913a5427e6408d4d296784fb4f Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
* QByteArray benchmark: fix clang -Wmove-resultMarc Mutz2022-01-241-1/+1
| | | | | | | | | | | | | | | | | Take the argument by value instead of rvalue ref. In C++17, this is as efficient, and enables the return big; to use the QByteArray move constructor, avoiding the need for a manual std::move(), which always looks suspicious on a return statement, because more often than not, it's a pessimization that breaks NRVO. This code doesn't seem to exist in Qt 6.2, so only Pick-to: 6.3 Change-Id: I8bf678102f5df1870cfc61090d12f327478d74d1 Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
* benchmarks: fix some (future) -Wunused-result warningsMarc Mutz2022-01-242-8/+8
| | | | | | | | | | | | | | | | | | | | Clang 10 warns about unused results of relational operators, which is where this is coming from. Fix by adding the usual prefix [[maybe_unused]] auto r = ~~~; to silence the warning. Do this elsewhere, too, since [[nodiscard]] is slowly being rolled out across all our APIs. This is not a complete sweep, though. Not picking to 5.15, because this pattern doesn't work there and I don't want to introduce a new one. Pick-to: 6.3 6.2 Change-Id: I40dd8ad07496b686979dce533e044cbb486e30f3 Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
* Use QPromise when creating continuations to avoid memory leaksSona Kurazyan2022-01-211-0/+1
| | | | | | | | | | | | | | | | | Continuations were using QFutureInterface to create and return the associated future to the user. Attaching a continuation to the returned future could cause memory leaks (described in an earlier commit). Use a QPromise when saving the continuation, to make sure that the attached continuation is cleaned in the destructor of the associated QPromise, so that it doesn't keep any ref-counted copies to the shared data, thus preventing it from being deleted. Task-number: QTBUG-99534 Pick-to: 6.3 6.2 Change-Id: I52d5501292095d41d1e060b7dd140c8e5d01335c Reviewed-by: Andrei Golubev <andrei.golubev@qt.io> Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io> Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
* Fix the benchmark for QList::removeAll()Sona Kurazyan2021-12-091-92/+25
| | | | | | | | | | | | | | | | | The benchmark was making assumptions about number of constructor/assignment operator calls, which are not valid in Qt 6, after the implementation of QList has changed. Considering that we already check number of constructions, copy constructions, etc., in tst_qlist.cpp, remove the checks from the benchmark. As a driveby, fix the following warning: "warning: parameter 'i' shadows member inherited from type 'MyBase'" Pick-to: 6.2 Fixes: QTBUG-95096 Change-Id: Ida68fa5803641c8fa84f8309c0093986ed4c0a2b Reviewed-by: Edward Welbourne <edward.welbourne@qt.io> Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
* Optimize QMimeDatabase::mimeTypeForFile(f, MatchDefault)Igor Kushnir2021-12-067-0/+84
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Open the file only if matching on content is needed. Use QFileInfo::filePath() instead of QFileInfo::absoluteFilePath() in QMimeDatabase::mimeTypeForFile(). filePath() does much less work, and so is faster. Thiago Macieira helpfully explained in a review comment why the absolute path is not useful for correctness here: "Nothing needs absolute paths within the same application that would resolve the relative path to absolute. You only need an absolute path if you're communicating with another application that may be in a different directory." QMimeDatabase::mimeTypeForFile() checks fileInfo.isDir(), so the fileName.endsWith(QLatin1Char('/')) check in QMimeDatabasePrivate::mimeTypeForFileNameAndData() was redundant when called from this function. The other two callers of that function now check this condition before opening IO devices. This improves performance of the two QMimeDatabase::mimeTypeForFileNameAndData() overloads in the corner case. Refactor and optimize QMimeDatabasePrivate::findByFileName() and its usages. Previously each caller constructed a QFileInfo object and passed QFileInfo::fileName() into this function. Now the callers simply pass an absolute or relative path to a file into this function, which then uses QFileSystemEntry::fileName() to exclude the path. Constructing QFileInfo is relatively expensive, so this change slightly improves performance. Optimize QMimeDatabasePrivate::loadProviders() by calling static QFileInfo::exists() instead of constructing a QFileInfo object and calling the non-static QFileInfo::exists() overload. Note that the QFileInfo object was always created, even if QFileInfo::exists() under an `if` and an `#if` was never called. The following table contains the average results of the added benchmark tst_QMimeDatabase::benchMimeTypeForFile() on my GNU/Linux system before and at this commit. The numbers denote milliseconds per iteration. data row tag before at MatchDefault: archive 0.029 0.016 OpenDocument Text 0.029 0.015 existent archive with extension 0.039 0.025 existent C with extension 0.033 0.020 existent text file with extension 0.033 0.020 existent C w/o extension 0.076 0.074 existent patch w/o extension 0.11 0.105 existent archive w/o extension 0.069 0.066 MatchExtension: archive 0.012 0.0115 OpenDocument Text 0.0115 0.011 existent archive with extension 0.017 0.016 existent C with extension 0.011 0.011 existent text file with extension 0.011 0.011 existent C w/o extension 0.016 0.0155 existent patch w/o extension 0.013 0.012 existent archive w/o extension 0.013 0.012 MatchContent: archive 0.019 0.012 OpenDocument Text 0.019 0.012 existent archive with extension 0.053 0.051 existent C with extension 0.056 0.0545 existent text file with extension 0.058 0.056 existent C w/o extension 0.0605 0.059 existent patch w/o extension 0.10 0.099 existent archive w/o extension 0.057 0.054 Change-Id: Idb541656e073a2c4822ace3f4da412f29f2351f8 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> Reviewed-by: David Faure <david.faure@kdab.com>
* QAbstractFileEngine: Add permission argument to open()Ievgenii Meshcheriakov2021-12-041-4/+4
| | | | | | | | | The new argument allows atomic creation of files with non-default permissions. Task-number: QTBUG-79750 Change-Id: I4c49455b41f924ba87148302c8d0f77f5de0832b Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
* QWaitCondition: also benchmark std::condition_variable{,_any}Marc Mutz2021-11-261-13/+83
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Results on my machine (only forever results): ********* Start testing of tst_QWaitCondition ********* Config: Using QtTest library 6.3.0, Qt 6.3.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 11.2.1 20211115), ubuntu 20.04 PASS : tst_QWaitCondition::oscillate_QWaitCondition_QMutex(forever) RESULT : tst_QWaitCondition::oscillate_QWaitCondition_QMutex():"forever": 637 msecs per iteration (total: 637, iterations: 1) PASS : tst_QWaitCondition::oscillate_QWaitCondition_QReadWriteLock(forever) RESULT : tst_QWaitCondition::oscillate_QWaitCondition_QReadWriteLock():"forever": 909 msecs per iteration (total: 909, iterations: 1) PASS : tst_QWaitCondition::oscillate_std_condition_variable_std_mutex(forever) RESULT : tst_QWaitCondition::oscillate_std_condition_variable_std_mutex():"forever": 331 msecs per iteration (total: 331, iterations: 1) PASS : tst_QWaitCondition::oscillate_std_condition_variable_any_QMutex(forever) RESULT : tst_QWaitCondition::oscillate_std_condition_variable_any_QMutex():"forever": 627 msecs per iteration (total: 627, iterations: 1) PASS : tst_QWaitCondition::oscillate_std_condition_variable_any_QReadWriteLock(forever) RESULT : tst_QWaitCondition::oscillate_std_condition_variable_any_QReadWriteLock():"forever": 913 msecs per iteration (total: 913, iterations: 1) ~331 vs. ~630ms. A pretty significant win (2x). Mårten noticed that on Windows, condition_variable::wait_for(x, 0ms) will not unlock the mutex, which, however, the program requires, so use a 1ns timeout instead. Drive-by fixes: - add override to run() reimplementations - fix type of timeout member variable (was int, should be unsigned long) - fix naming of test functions to distinguish better between QMutex and std::mutex Change-Id: Ib92310f15fbd58258b2043504642be5f0b860f39 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Lars Knoll <lars.knoll@qt.io>
* QtBase: replace windows.h with qt_windows.hYuhang Zhao2021-11-234-4/+4
| | | | | | | | | | We have some special handling in qt_windows.h, use it instead of the original windows.h Change-Id: I12fa45b09d3f2aad355573dce45861d7d28e1d77 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io> Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
* QReadWriteLocker: also benchmark recursive modeMarc Mutz2021-11-151-0/+66
| | | | | Change-Id: Ic2e357f4702d05220cf6c96717672dcabacd78d6 Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
* Bump WINVER, _WIN32_WINNT and _WIN32_IE to _WIN32_WINNT_WIN10 (0x0A00)Yuhang Zhao2021-11-101-1/+3
| | | | | | | | | | | And bump NTDDI_VERSION to 0x0A00000B (NTDDI_WIN10_CO) at the same time, to unblock the developers from accessing the latest Windows APIs. Pick-to: 6.2 Change-Id: Ifbc28c8f8b073866871685c020301f5f20dc9591 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* Remove checks for C++ standard versions C++17 and belowIevgenii Meshcheriakov2021-10-011-2/+0
| | | | | | | | | | | Qt requires a compiler that support C++17 thus __cplusplus is always 201703L or higher. This patch removes checks for __cplusplus value that always succeed. Change-Id: I4b830683ecefab8f913d8b09604086d53209d2e3 Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io> Reviewed-by: Edward Welbourne <edward.welbourne@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
* Add note to QList benchmark about known bugEdward Welbourne2021-08-301-0/+1
| | | | | | | Task-number: QTBUG-95096 Change-Id: I08f789f2e6ed70507da18e629140404f09bfae12 Reviewed-by: Andrei Golubev <andrei.golubev@qt.io> Reviewed-by: Lars Knoll <lars.knoll@qt.io>
* Standardise layout and naming in corelib benchmarksEdward Welbourne2021-08-3095-524/+359
| | | | | | | | | | | | | | | Make file names match CMake's test names (and those follow dir-name) and class names follow tst_ClassName pattern when testing ClassName. Purge comments about the qmake configs the CMakeLists.txt are generated from. Purge empty constructors and init/cleanup methods of classes. Fix petty coding style violations. Add qdir/tree/, qurl, qbench and qset benchmarks to their parent directories' lists of subdirs. Fix unused return error from qurl benchmark. Change-Id: Ifc15a3a46e71cf82ad0637753517e0df34049763 Reviewed-by: Andrei Golubev <andrei.golubev@qt.io> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* New QByteArray::toU?LongLong() benchmarkEdward Welbourne2021-08-271-1/+90
| | | | | Change-Id: Ic0581dd5625f9b2750646c73dc80d89741d97a1d Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
* Fix the (currently unbuilt) qdir/tree/ benchmarkEdward Welbourne2021-08-231-20/+19
| | | | | | | | | | | | | | It tried to find its test-data-directory locally, instead of asking FileSystem where it was keeping its files, relative to a temporary directory. Its expected counts didn't match the arcane results of its data file; since this is a benchmark, not a regression test, I'm assuming that's just because it was never right or the rules for QDirIterator's filtering have changed. Tidied up somewhat in the process. Change-Id: Ib2dcd314b11cb0f1a6fc425633afd0e9c39bd036 Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* Add benchmark for QByteArray::toPercentEncoding()Edward Welbourne2021-08-191-0/+31
| | | | | Change-Id: If822bb3b9c6623137f27b6624598530432246ed2 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* Add benchmark for QMetaEnumMarc Mutz2021-08-163-0/+88
| | | | | Change-Id: If57f00b14713f2083260a00fd833da62d6f1cd57 Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* QString benchmark: don't use %lsMårten Nordheim2021-07-291-1/+1
| | | | | | | | The vsnprintf we use in QTest doesn't not have a portable %ls: It accepts wchar_t, so it's UTF-32 on Linux and UTF-16 on Windows Change-Id: I9ebda1e92b6e8e4dbbb79c6f2e35a833c587a089 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* tests: fix some -WvolatileMarc Mutz2021-07-282-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | C++20 deprecated compound volatile statements such as pre- and post-increments, to stress that they're not atomic. So instead of volatile i; ~~~~; ++i; you're now supposed to write volatile i; ~~~~; int j = i; // volatile load ++j; i = j; // volatile store which matches more closely what hardware does. Instead of fixing every use of volatile pre- or post-increment in this fashion individually, and realising that probably a few more Qt modules will have the same kind of code patterns in them, write QtPrivate functions to do the job centrally. Change-Id: I838097bd484ef2118c071726963f103c080d2ba5 Reviewed-by: Lars Knoll <lars.knoll@qt.io>
* QDirIterator: add nextFileInfo()Marc Mutz2021-07-283-12/+11
| | | | | | | | | | | | | | | | | | | | | | | Before this change, next() was the only way to advance the iterator, whether the caller was ultimately interested in just the filePath() (good) or not (bad luck, had to call .fileInfo()). Add a new function, nextFileInfo(), with returns fileInfo() instead. Incidentally, the returned object has already been constructed as part of advance()ing the iterator, so the new function is faster than next() even if the result is ignored, because we're not calculating a QString result the caller may not be interested in. Use the new function around the code. Fix a couple of cases of next(); fileInfo().filePath() (just use next()'s return value) as a drive-by. [ChangeLog][QtCore][QDirIterator] Added nextFileInfo(), which is like next(), but returns fileInfo() instead of filePath(). Change-Id: I601220575961169b44139fc55b9eae6c3197afb4 Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
* Add a benchmark for QSharedPointerMarc Mutz2021-07-273-0/+133
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Initial results with GCC: Even though GCC's assembly looks rather bad because of the implicit fall-back from atomics to non-atomics for single-threaded applications, libstdc++'s shared_ptr still performs twice as fast as QSharedPointer, proving that the branch predictor eats libstdc++'s is-multi-threaded-check for breakfast and the two atomic operations of a QSharedPointer copy vs. one for std::shared_ptr dominate the run-time. ********* Start testing of tst_QSharedPointer ********* Config: Using QtTest library 6.2.0, Qt 6.2.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 11.1.1 20210712), ubuntu 20.04 PASS : tst_QSharedPointer::initTestCase() PASS : tst_QSharedPointer::refAndDeref_null_QSP_int() RESULT : tst_QSharedPointer::refAndDeref_null_QSP_int(): 0.0000024 msecs per iteration (total: 81, iterations: 33554432) PASS : tst_QSharedPointer::refAndDeref_null_SSP_int() RESULT : tst_QSharedPointer::refAndDeref_null_SSP_int(): 0.0000024 msecs per iteration (total: 81, iterations: 33554432) PASS : tst_QSharedPointer::refAndDeref_null_BSP_int() RESULT : tst_QSharedPointer::refAndDeref_null_BSP_int(): 0.0000025 msecs per iteration (total: 87, iterations: 33554432) PASS : tst_QSharedPointer::refAndDeref_null_QSP_QString() RESULT : tst_QSharedPointer::refAndDeref_null_QSP_QString(): 0.0000025 msecs per iteration (total: 86, iterations: 33554432) PASS : tst_QSharedPointer::refAndDeref_null_SSP_QString() RESULT : tst_QSharedPointer::refAndDeref_null_SSP_QString(): 0.0000023 msecs per iteration (total: 80, iterations: 33554432) PASS : tst_QSharedPointer::refAndDeref_null_BSP_QString() RESULT : tst_QSharedPointer::refAndDeref_null_BSP_QString(): 0.0000026 msecs per iteration (total: 88, iterations: 33554432) PASS : tst_QSharedPointer::refAndDeref_nonnull_QSP_int() RESULT : tst_QSharedPointer::refAndDeref_nonnull_QSP_int(): 0.000019 msecs per iteration (total: 83, iterations: 4194304) PASS : tst_QSharedPointer::refAndDeref_nonnull_SSP_int() RESULT : tst_QSharedPointer::refAndDeref_nonnull_SSP_int(): 0.000010 msecs per iteration (total: 90, iterations: 8388608) PASS : tst_QSharedPointer::refAndDeref_nonnull_BSP_int() RESULT : tst_QSharedPointer::refAndDeref_nonnull_BSP_int(): 0.0000094 msecs per iteration (total: 79, iterations: 8388608) PASS : tst_QSharedPointer::refAndDeref_nonnull_QSP_QString() RESULT : tst_QSharedPointer::refAndDeref_nonnull_QSP_QString(): 0.000017 msecs per iteration (total: 75, iterations: 4194304) PASS : tst_QSharedPointer::refAndDeref_nonnull_SSP_QString() RESULT : tst_QSharedPointer::refAndDeref_nonnull_SSP_QString(): 0.000010 msecs per iteration (total: 90, iterations: 8388608) PASS : tst_QSharedPointer::refAndDeref_nonnull_BSP_QString() RESULT : tst_QSharedPointer::refAndDeref_nonnull_BSP_QString(): 0.0000091 msecs per iteration (total: 77, iterations: 8388608) PASS : tst_QSharedPointer::threadedRefAndDeref_null_QSP_int() RESULT : tst_QSharedPointer::threadedRefAndDeref_null_QSP_int(): 0.000016 msecs per iteration (total: 68, iterations: 4194304) PASS : tst_QSharedPointer::threadedRefAndDeref_null_SSP_int() RESULT : tst_QSharedPointer::threadedRefAndDeref_null_SSP_int(): 0.000025 msecs per iteration (total: 53, iterations: 2097152) PASS : tst_QSharedPointer::threadedRefAndDeref_null_BSP_int() RESULT : tst_QSharedPointer::threadedRefAndDeref_null_BSP_int(): 0.000027 msecs per iteration (total: 58, iterations: 2097152) PASS : tst_QSharedPointer::threadedRefAndDeref_null_QSP_QString() RESULT : tst_QSharedPointer::threadedRefAndDeref_null_QSP_QString(): 0.000016 msecs per iteration (total: 71, iterations: 4194304) PASS : tst_QSharedPointer::threadedRefAndDeref_null_SSP_QString() RESULT : tst_QSharedPointer::threadedRefAndDeref_null_SSP_QString(): 0.000027 msecs per iteration (total: 58, iterations: 2097152) PASS : tst_QSharedPointer::threadedRefAndDeref_null_BSP_QString() RESULT : tst_QSharedPointer::threadedRefAndDeref_null_BSP_QString(): 0.000017 msecs per iteration (total: 73, iterations: 4194304) PASS : tst_QSharedPointer::threadedRefAndDeref_nonnull_QSP_int() RESULT : tst_QSharedPointer::threadedRefAndDeref_nonnull_QSP_int(): 0.00073 msecs per iteration (total: 96, iterations: 131072) PASS : tst_QSharedPointer::threadedRefAndDeref_nonnull_SSP_int() RESULT : tst_QSharedPointer::threadedRefAndDeref_nonnull_SSP_int(): 0.000408 msecs per iteration (total: 107, iterations: 262144) PASS : tst_QSharedPointer::threadedRefAndDeref_nonnull_BSP_int() RESULT : tst_QSharedPointer::threadedRefAndDeref_nonnull_BSP_int(): 0.00033 msecs per iteration (total: 89, iterations: 262144) PASS : tst_QSharedPointer::threadedRefAndDeref_nonnull_QSP_QString() RESULT : tst_QSharedPointer::threadedRefAndDeref_nonnull_QSP_QString(): 0.000877 msecs per iteration (total: 115, iterations: 131072) PASS : tst_QSharedPointer::threadedRefAndDeref_nonnull_SSP_QString() RESULT : tst_QSharedPointer::threadedRefAndDeref_nonnull_SSP_QString(): 0.00033 msecs per iteration (total: 89, iterations: 262144) PASS : tst_QSharedPointer::threadedRefAndDeref_nonnull_BSP_QString() RESULT : tst_QSharedPointer::threadedRefAndDeref_nonnull_BSP_QString(): 0.000385 msecs per iteration (total: 101, iterations: 262144) PASS : tst_QSharedPointer::cleanupTestCase() Totals: 26 passed, 0 failed, 0 skipped, 0 blacklisted, 7995ms ********* Finished testing of tst_QSharedPointer ********* Change-Id: I0bed70142ffdbde6898ec0e27cb470b50fc0e97d Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Edward Welbourne <edward.welbourne@qt.io> Reviewed-by: Lars Knoll <lars.knoll@qt.io>
* Assert some more things we can be sure of in the QMap benchmarkEdward Welbourne2021-07-231-0/+17
| | | | | | | | | Just in case the test isn't testing what we think it is. One of my earlier changes didn't until this told me about it. Change-Id: Idd6f415d543509cabb3a64219736bb43e60a70ef Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com> Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
* QMap benchmark: use unsigned accumulators and check themEdward Welbourne2021-07-231-4/+12
| | | | | | | | | | | | | | | | | | | The sum of the first 100000 naturals is more than 2^32, so using an int accumulator to collect the values is susceptible to overflow, which is UB for signed integral types. So switch to an unsigned type. We don't care about the actual sum, only having the various map entries we fetch "used". Since unsigned arithmetic is well-defined even when it overflows, we can calculate the expected sum and verify it, to ensure that no matter how clever the optimizer, it won't throw out the accumulator as written but not read (and then optimize out all the tested code). As a drive-by, rename one of the accumulators to match the rest. Change-Id: I93a2825247c96ca88fe52fdb7ce1e5456eebad54 Reviewed-by: Andrei Golubev <andrei.golubev@qt.io> Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
* Rename QMap benchmark source file to match test nameEdward Welbourne2021-07-232-2/+2
| | | | | | | | s/main/tst_bench_qmap/g Change-Id: Ic520254f5b5f946f4eaa234352317749a9a7301f Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com> Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
* Give symbolic names to the sizes of data-sets tested in QMap benchmarkEdward Welbourne2021-07-231-24/+27
| | | | | | | | | Mostly so that I can put comments on them to indicate why some tests are bigger and others not so big. Change-Id: I633ceb264aa96ee8f5345e3f342a518e8ae4838b Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com> Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
* Add benchmarks for QString::numberMårten Nordheim2021-07-222-3/+133
| | | | | | | | | While we're here: - remove the GCC precondition for compiling this benchmark. Task-number: QTBUG-88484 Change-Id: I14f3ea7e4708e274d032a6297e9d4a87ae5dc1c0 Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
* Use QChar::fromUcs4(i) rather than QChar(i) on out-of-range iEdward Welbourne2021-07-221-16/+28
| | | | | | | | | | | | | | | | | | | Follow-up to commit 915be6606ead25f4fbbbcb2687b33cf22a955177, catching some benchmarks that took for granted they can assign an arbitrary int to QChar. Since 6.0 this has triggered an assertion. Given the choice between limiting the range (from 100000 to 0x10000) and actually handling the out-of-range values as UCS-4 data, the latter seemed like a more interesting test. At the same time, take the construction of the strings out of the loop, as that's not a QMap performance matter, it's a QString one. Pick-to: 6.1 6.2 Task-number: QTBUG-91713 Change-Id: Id6abab08b5c879f0f764350f66d6aa1dd9f1620a Reviewed-by: Andrei Golubev <andrei.golubev@qt.io> Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
* Don't slow down a QMap benchmark by growing a megabyte-long stringEdward Welbourne2021-07-211-1/+1
| | | | | | | | | | | | | | Change a += to simple assignment where it's string arithmetic (a hundred thousand concatenations of "Hello World" add up to more than a megabyte, in an incremental growth that's going to dominate the QMap operations we were meant to be benchmarking) and the only reason for it is to avoid an unused result warning. Accumulating int values is harmless, but strings are another story ! Pick-to: 6.1 6.2 Task-number: QTBUG-91713 Change-Id: Ib0dc131b0cc75fea23998afc0300e8cb60076c7e Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
* QString benchmark: rename the source fileMårten Nordheim2021-07-212-2/+2
| | | | | | | 'main.cpp' is quite generic when using search to look for it. Change-Id: I547ba16a11db8efb7d4410b94343b03d30da6513 Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
* Rename QVector benchmark and its main.cpp for consistencyEdward Welbourne2021-07-192-4/+4
| | | | | | | | | The usual pattern (at least in corelib) is tst_bench_[lowercased class-name] for the test and the same with .cpp for the source-file name. So s/(main|tst_bench_vector)/tst_bench_qvector/g Change-Id: Ic9bd3ac87adfaec189409c2259cc674ebcec602c Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* Clean up old QVector benchmarkEdward Welbourne2021-07-193-225/+68
| | | | | | | | | | | | Purge comments showing assember from an antique g++ version, skip #if-ery that's always been on, so makes no difference, rename two single-letter variables shared between files, move some extern declarations to a header, wrap parts of a source file in QT_{BEGIN,END}_NAMESPACE, add a TODO against an antique commented out #if-ery kludge. Change-Id: Ic4781960e0c9838027c21d3d392a50f29598132c Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* Suppress a broken benchmark comparing QVector to std::vectorEdward Welbourne2021-07-192-6/+15
| | | | | | | | | | | | | | | | The test constructs an ersatz object with which to overwrite a QVector's internals, but based it on Qt 5's memory layout. Since Qt 6 completely rearranged that memory layout, the test now crashes (or, in a debug build, trips over an out-of-bounds assertion). So suppress the test until those who perpetrated it and/or the reworking of QVector's internals can work out how to fix it. That way, QA can at least run the benchmark without crashing. Task-number: QTBUG-95061 Pick-to: 6.2 Change-Id: I0e8c8d58f2002497f6e29d0ad25f840e207704a4 Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* Rename QFile benchmark's source file to tst_bench_qfile.cppEdward Welbourne2021-07-192-2/+2
| | | | | | | Let's have fewer files with the same main.cpp name. Change-Id: Iad94478affcca73a25ed29ba4380f1b3ca4f329d Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* Drop pointless parentheses from round case labelsEdward Welbourne2021-07-191-20/+20
| | | | | Change-Id: I5339523f83aea4d91aaec9bd2570b225287ae23a Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* Replace Q_FOREACH() with ranged-for loopsEdward Welbourne2021-07-191-20/+16
| | | | | | | | | In the process, fix two coding-style violations: while loops whose empty bodies were given as a semicolon rather than as empty braces. Also ditch some spurious braces. Change-Id: I2734077f4f54985c4e8d81f846c1fa6fac4f529d Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* QFile benchmark: only set up and tear down the data directory onceEdward Welbourne2021-07-191-99/+73
| | | | | | | | | | | | | | | | | | | | | | | | None of the tests modify the data, so there's no risk that one test will cause another to fail via that. We can thus avoid the repeated cost of that set-up and teardown, which was done repeatedly for each test function since benchmarks get run repeatedly if they're quick. Use QTemporaryDir to manage the test data, so that it's tidied away automagically, instead of trying to tidy up at the end of each test (which was, of course, skipped if the test failed). As drive-bys, fix a typo in a QFAIL()'s message, change some C casts that silently bulldozed const away to reinterpret_cast<>s with the const qualifier and turn some heap buffers into stack buffers to save the need to delete [] them at the end of their tests (also skipped on failure). Inspired by a kindred change by Andreas Buhr and a suggestion on its review by Friedemann Kleint. Pick-to: 6.2 6.1 5.15 Change-Id: I6067eb35babfbac02990ef39817b0d5122f563cd Reviewed-by: Andreas Buhr <andreas.buhr@qt.io>
* Skip trailing space on ends of QFile benchmark namesEdward Welbourne2021-07-161-3/+6
| | | | | | | | | | They were there to make it easier to build the names. Avoiding them wasn't exactly hard. Change-Id: I9e353644d81f80d69ecf73fe4fa875948ccbc2c9 Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io> Reviewed-by: Ievgenii Meshcheriakov <ievgenii.meshcheriakov@qt.io> Reviewed-by: Andreas Buhr <andreas.buhr@qt.io>
* QFile benchmark: purge fatuous function, inline several moreEdward Welbourne2021-07-161-39/+8
| | | | | | | | | The empty cleanupTestCase() was just clutter. Various tests that shared a common implementation (using different data) might just as well be inline in the class body. Change-Id: I5046d7e6ad5a6425df9f9e0a0a705e229d9d0717 Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* QFile benchmark: fix -Wunused-resultMarc Mutz2021-07-151-2/+2
| | | | | | Change-Id: Ibc8a146eb9eb6338f661f7813813ea0a0264c759 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io> Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
* Limit some QList benchmark data-set sizes to avoid time-outsEdward Welbourne2021-07-151-15/+17
| | | | | | | | | | | The watch-dog timer was killing some tests, that take time quadratic in the size of the data to test on, on their test-cases with larger data-set sizes. Enable tuning of the data-table creation to leave off the larger data-sets for thse tests. Task-number: QTBUG-91713 Change-Id: I9f462f4f2ba03c6518486a26361aa2b847322f8c Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
* Fix qdbusperformance and qprocess benchmarksEdward Welbourne2021-07-151-2/+8
| | | | | | | | | | | | | | | The tests failed because they couldn't find the servers they needed to run. The dbus server wasn't being built, due to mis-configured CMake config; fixed dbus server CMake config. Once built, the servers werent at the paths relative to the test binaries that were given in the test source files, because the test binary was in the test/ sub-directory. The dbus test just needed a ../ on its path; the qprocess one also needed its path wrapped in QFINDTESTDATA(), and a ".exe" suffix on MS. Pick-to: 6.2 6.1 5.15 Task-number: QTBUG-91713 Change-Id: I5ace23a5815575bbf88ea88e0b16afc7b8ba6a08 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
* QList benchmark: inline the removAll tests to match most othersEdward Welbourne2021-07-151-53/+23
| | | | | | | | | | | | | | It may be the hobgoblin of little minds, but consistency makes code easier to read. Turn the implementation test into a method of the class, like all the others, and rename it to match the common pattern. In the process, eliminate the data-column that was constant, use simpler expressions for the lists whose entries are all the same and Split some long lines. The test still fails, as it did previously. Change-Id: Ic2d6db1edc0bbafad91cd732babcbc129c430b8f Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
* QStringList benchmark: fix the [[nodiscard]] warningsMarc Mutz2021-07-131-3/+3
| | | | | | Change-Id: I06572824e7037d8b14383b8867059aa2df493c82 Reviewed-by: Edward Welbourne <edward.welbourne@qt.io> Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
* QString benchmark: fix the [[nodiscard]] warningsMarc Mutz2021-07-091-3/+3
| | | | | | Change-Id: I75941c295ba7d0a9bff5f12b49db28875b97c62a Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com> Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
* Unify and clean up two identical tst_qfile::*_data() functionsEdward Welbourne2021-07-071-57/+41
| | | | | | | | | | Convert newRow() to addRow() to simplify formatting, use a ranged-for iteration, take out a common factor of 1024, use QByteArray instead of roundtripping ASCII via Unicode, and break some long lines. Change-Id: I052730a71fb74f40a0dbd0695dcc286bc39896fb Reviewed-by: Jason McDonald <macadder1@gmail.com> Reviewed-by: Andreas Buhr <andreas.buhr@qt.io>
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