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| author | Lars Knoll <lars.knoll@nokia.com> | 2012-09-07 10:02:04 +0200 |
|---|---|---|
| committer | Qt by Nokia <qt-info@nokia.com> | 2012-09-07 18:41:22 +0200 |
| commit | 3a48320fd6335d21451f07cb68336404177e2d87 (patch) | |
| tree | 598a446840aad5740703c5019a44062c22a0c00a /examples/tutorials/threads/clock/clockthread.cpp | |
| parent | 5b1bc864a91c3bdb02e36e7546dadebabb42fdec (diff) | |
Fix performance regression when appending one vector to another
When appending a QVector to an existing vector the code would
unconditionally realloc the vector instead of first checking
whether we can do without. This gives a quadratic behaviour when
repeatedly appending a vector to another.
Change-Id: I2cd81253e6a8aec0bc4402e6fbda262435080966
Reviewed-by: Qt Doc Bot <qt_docbot@qt-project.org>
Reviewed-by: Simon Hausmann <simon.hausmann@nokia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'examples/tutorials/threads/clock/clockthread.cpp')
0 files changed, 0 insertions, 0 deletions