Run Report
Run #539206513e72e: 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% 1,803 0.3% 1,547 0.3% 15,924 0.1% 24,220 0.2%
Exclusive Metrics for Current Function116 6.4% 100 6.5% -34,520 -216.8% 128 0.5%
Parent function
drupal_pre_render_styles1 100.0% 1,803 100.0% 1,547 100.0% 15,924 100.0% 24,220 100.0%
Child functions
file_exists5 41.7% 662 36.7% 669 43.2% 6,000 37.7% 3,696 15.3%
Drupal\Core\State\State::get1 8.3% 472 26.2% 216 14.0% 1,712 10.8% 7,660 31.6%
Drupal\Core\Asset\CssCollectionGrouper::group1 8.3% 384 21.3% 386 25.0% 40,476 254.2% 9,384 38.7%
Drupal\Core\Asset\CssCollectionOptimizer::generateHash5 41.7% 169 9.4% 176 11.4% 2,256 14.2% 3,352 13.8%