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Robert Löhning a7d1c48ca3 QVarLengthArray: Reduce memory allocations in emplace() 
Currently, we allocate memory for elements one by one which can get
pretty slow when adding many elements.

[ChangeLog][QtCore][QVarLengthArray] Reduced number of memory
allocations in emplace() by allocating more memory at once.

Fixes: QTBUG-97489
Pick-to: 6.2
Change-Id: Idfb5b5946b047d5215c8ed00770574249f9f5d40
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
2021-10-23 01:22:15 +02:00
.github/workflows Github Actions: many minor updates 2021-01-22 18:48:54 +01:00
bin Add missing -help argument to qt-configure-module 2021-08-20 19:44:43 +02:00
cmake CMake: Fix -rpath-link dependencies take two 2021-10-22 22:57:46 +02:00
coin coin: Add instructions to generate docs during testing 2021-10-18 16:23:13 +00:00
config.tests wasm: add simd support 2021-10-05 11:30:06 +10:00
dist Add Qt 6.0.0 changes file 2020-11-16 10:02:08 +02:00
doc Doc: Fix usage of \summary macro 2021-10-12 14:08:08 +02:00
examples Add missing LIBRARY DESTINATION for examples 2021-10-20 17:04:51 +02:00
lib Purge all fonts 2015-08-18 19:59:14 +00:00
libexec Teach syncqt to filter out QT_DEPRECATED_* macros 2021-09-07 08:28:09 +02:00
mkspecs wasm: add simd support 2021-10-05 11:30:06 +10:00
qmake Skip unnecessary commands when cross-building tools 2021-09-27 16:34:23 +02:00
src QVarLengthArray: Reduce memory allocations in emplace() 2021-10-23 01:22:15 +02:00
tests QVarLengthArray: Reduce memory allocations in emplace() 2021-10-23 01:22:15 +02:00
util Rename deprecated ANDROID_SDK_HOME to ANDROID_SDK_ROOT 2021-10-22 17:21:10 +02:00
.cmake.conf Revert "CMake: Warn if cmake_minimum_required has an unsupported low version" 2021-10-04 15:55:10 +02:00
.gitattributes Give batch files CRLF line endings 2020-11-04 15:02:29 +00:00
.gitignore testlib: Accurately name JUnit test, and only run for JUnitXML reporter 2021-07-29 15:39:40 +02:00
.lgtm.yml Skip LGTM analysis for the bootstrap library and tools 2020-07-16 01:04:34 +02:00
.tag Update the git-archive export options 2012-09-07 15:39:31 +02:00
CMakeLists.txt CMake: Enforce minimum CMake version in user projects 2021-08-04 16:03:08 +02:00
conanfile.py Conan: Do not use f-strings 2021-10-15 11:09:38 +03:00
config_help.txt Document that schannel is on by default 2021-10-06 15:05:20 +02:00
configure Remove unsupported, host-related options from configure shell script 2021-08-05 02:44:27 +02:00
configure.bat Fix our usage of CMake script mode in Windows configure 2021-08-20 19:44:43 +02:00
configure.cmake wasm: add simd support 2021-10-05 11:30:06 +10:00
dependencies.yaml Re-add dependencies.yaml now that qt5.git wip/qt6 builds fine 2019-09-18 13:19:31 +02:00
LICENSE.FDL Initial import from the monolithic Qt. 2011-04-27 12:05:43 +02:00
LICENSE.GPL2 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.GPL3 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.GPL3-EXCEPT Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.LGPL3 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.LGPLv3 Remove LICENSE.GPLv3, LICENSE.LGPLv21, LGPL_EXCEPTION.txt 2018-04-16 11:02:14 +00:00
LICENSE.QT-LICENSE-AGREEMENT Update enterprise license agreement v4.2.1 2019-12-18 13:07:19 +02:00
qt_cmdline.cmake Remove dysfunctional -coverage configure argument 2021-08-10 12:00:13 +02:00
sync.profile Implement generating of a module cpp export header 2021-06-24 20:40:49 +02:00