Run Report
Run #5391fd5a43e70: XHProf Run (Namespace=drupal-perf-drupalcon)
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Parent/Child report for Drupal\Core\Asset\CssCollectionOptimizer::optimize [View Callgraph ]


Function NameCallsCalls%Incl. Wall Time
(microsec)		IWall%Incl. CPU
(microsecs)		ICpu%Incl.
MemUse
(bytes)		IMemUse%Incl.
PeakMemUse
(bytes)		IPeakMemUse%
Current Function
Drupal\Core\Asset\CssCollectionOptimizer::optimize1 4.5% 1,658 0.3% 1,455 0.3% 15,924 0.1% 30,972 0.2%
Exclusive Metrics for Current Function111 6.7% 97 6.7% -33,728 -211.8% 260 0.8%
Parent function
drupal_pre_render_styles1 100.0% 1,658 100.0% 1,455 100.0% 15,924 100.0% 30,972 100.0%
Child functions
file_exists5 41.7% 598 36.1% 604 41.5% 6,000 37.7% 3,676 11.9%
Drupal\Core\State\State::get1 8.3% 421 25.4% 217 14.9% 1,712 10.8% 7,660 24.7%
Drupal\Core\Asset\CssCollectionGrouper::group1 8.3% 382 23.0% 384 26.4% 39,684 249.2% 17,020 55.0%
Drupal\Core\Asset\CssCollectionOptimizer::generateHash5 41.7% 146 8.8% 153 10.5% 2,256 14.2% 2,356 7.6%