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| author | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2023-05-05 14:25:19 +0200 |
|---|---|---|
| committer | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2023-05-15 15:51:00 +0200 |
| commit | 59c686080dfa77be2dbc434b6ff6f362b5a02d25 (patch) | |
| tree | fbfaa7a511cc14000299ab1bab408dd7a9152d31 | |
| parent | e95f03f989b73bddb52a54fed6a89428de151b09 (diff) | |
| download | qtbase-59c686080dfa77be2dbc434b6ff6f362b5a02d25.tar.gz | |
Darwin: Disable QMacAutoReleasePool tracker in release builds
It adds overhead that is noticeable, especially in tight loops that
rely on an auto-release pool. For example, this improves the QLocale
date to string transformations an order of a magnitude.
Task-number: QTBUG-104785
Pick-to: 6.5
Change-Id: I246dc4e114bd75dd4e3e9e42b061c4c20c94d522
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
| -rw-r--r-- | src/corelib/kernel/qcore_mac.mm | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/corelib/kernel/qcore_mac.mm b/src/corelib/kernel/qcore_mac.mm index ab7a711516..9ef0c0ad1b 100644 --- a/src/corelib/kernel/qcore_mac.mm +++ b/src/corelib/kernel/qcore_mac.mm @@ -214,21 +214,24 @@ QT_FOR_EACH_MUTABLE_CORE_GRAPHICS_TYPE(QT_DECLARE_WEAK_QDEBUG_OPERATOR_FOR_CF_TY QT_END_NAMESPACE QT_USE_NAMESPACE + +#ifdef QT_DEBUG @interface QT_MANGLE_NAMESPACE(QMacAutoReleasePoolTracker) : NSObject @end @implementation QT_MANGLE_NAMESPACE(QMacAutoReleasePoolTracker) @end QT_NAMESPACE_ALIAS_OBJC_CLASS(QMacAutoReleasePoolTracker); +#endif // QT_DEBUG QT_BEGIN_NAMESPACE QMacAutoReleasePool::QMacAutoReleasePool() : pool([[NSAutoreleasePool alloc] init]) { +#ifdef QT_DEBUG Class trackerClass = [QMacAutoReleasePoolTracker class]; -#ifdef QT_DEBUG void *poolFrame = nullptr; void *frames[2]; if (backtrace_from_fp(__builtin_frame_address(0), frames, 2)) @@ -258,9 +261,9 @@ QMacAutoReleasePool::QMacAutoReleasePool() free((char*)symbolName); } } -#endif [[trackerClass new] autorelease]; +#endif // QT_DEBUG } QMacAutoReleasePool::~QMacAutoReleasePool() |