Diff Report
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Asset\JsCollectionOptimizer::optimize

Drupal\Core\Asset\JsCollectionOptimizer::optimizeRun #53923d861ff11Run #53923e49d2b58DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)1,976 1,877 -99 -5.0%
Incl. Wall Time (microsec) per call 988 939 -50 -5.0%
Excl. Wall Time (microsec)134 132 -2 -1.5%
Incl. CPU (microsecs)1,651 1,645 -6 -0.4%
Incl. CPU (microsecs) per call 826 823 -3 -0.4%
Excl. CPU (microsec)120 120 0 0.0%
Incl. MemUse (bytes)11,568 11,568 0 0.0%
Incl. MemUse (bytes) per call 5,784 5,784 0 0.0%
Excl. MemUse (bytes)-54,648 -54,632 16 0.0%
Incl. PeakMemUse (bytes)22,188 22,616 428 1.9%
Incl. PeakMemUse (bytes) per call 11,094 11,308 214 1.9%
Excl. PeakMemUse (bytes)136 136 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Asset\JsCollectionOptimizer::optimize [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Asset\JsCollectionOptimizer::optimize0 N/A% -99 -6.3% -6 -0.5% 0 0.0% 428 61.5%
Exclusive Metrics Diff for Current Function-2 -2.0% 0 0.0% 16 N/A% 0 0.0%
Parent function
drupal_pre_render_scripts0 N/A% -99 -100.0% -6 -100.0% 0 N/A% 428 100.0%
Child functions
Drupal\Core\State\State::get0 N/A% -129 -130.3% -35 -583.3% 0 N/A% 76 17.8%
Drupal\Core\Asset\JsCollectionGrouper::group0 N/A% 22 22.2% 21 350.0% -16 N/A% 352 82.2%
file_exists0 N/A% 5 5.1% 6 100.0% 0 N/A% 0 0.0%
Drupal\Core\Asset\JsCollectionOptimizer::generateHash0 N/A% 5 5.1% 2 33.3% 0 N/A% 0 0.0%