Run Report
Run #539201f8938f4: 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 3.8% 1,849 0.4% 1,665 0.4% 16,724 0.1% 21,796 0.2%
Exclusive Metrics for Current Function125 6.8% 106 6.4% -25,956 -155.2% 408 1.9%
Parent function
drupal_pre_render_styles1 100.0% 1,849 100.0% 1,665 100.0% 16,724 100.0% 21,796 100.0%
Child functions
file_exists7 43.8% 833 45.1% 842 50.6% 4,788 28.6% 2,296 10.5%
Drupal\Core\State\State::get1 6.2% 419 22.7% 236 14.2% 2,144 12.8% 8,248 37.8%
Drupal\Core\Asset\CssCollectionGrouper::group1 6.2% 315 17.0% 317 19.0% 33,292 199.1% 8,984 41.2%
Drupal\Core\Asset\CssCollectionOptimizer::generateHash7 43.8% 157 8.5% 164 9.8% 2,456 14.7% 1,860 8.5%