Run Report
Run #545c283b18833: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Parent/Child report for Drupal\Core\Asset\CssCollectionOptimizer::optimize [View Callgraph ]


Function NameCallsCalls%Incl. Wall Time
(microsec)		IWall%Incl.
MemUse
(bytes)		IMemUse%Incl.
PeakMemUse
(bytes)		IPeakMemUse%
Current Function
Drupal\Core\Asset\CssCollectionOptimizer::optimize1 5.6% 1,104 0.5% 24,792 0.1% 18,944 0.1%
Exclusive Metrics for Current Function59 5.3% -10,608 -42.8% 536 2.8%
Parent function
Drupal\Core\Render\Element\Styles::preRenderStyles1 100.0% 1,104 100.0% 24,792 100.0% 18,944 100.0%
Child functions
file_exists4 40.0% 658 59.6% 9,448 38.1% 2,120 11.2%
Drupal\Core\State\State::get1 10.0% 270 24.5% 2,168 8.7% 10,576 55.8%
Drupal\Core\Asset\CssCollectionGrouper::group1 10.0% 68 6.2% 20,608 83.1% 5,040 26.6%
Drupal\Core\Asset\CssCollectionOptimizer::generateHash4 40.0% 49 4.4% 3,176 12.8% 672 3.5%