Diff Report
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e43719571bf: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #52e436ce9c71dRun #52e43719571bfDiffDiff%
Number of Function Calls22 22 0 0.0%
Incl. Wall Time (microsec)119 116 -3 -2.5%
Incl. Wall Time (microsec) per call 5 5 -0 -2.5%
Excl. Wall Time (microsec)99 94 -5 -5.1%
Incl. CPU (microsecs)136 134 -2 -1.5%
Incl. CPU (microsecs) per call 6 6 -0 -1.5%
Excl. CPU (microsec)79 77 -2 -2.5%
Incl. MemUse (bytes)4,928 4,928 0 0.0%
Incl. MemUse (bytes) per call 224 224 0 0.0%
Excl. MemUse (bytes)2,608 2,608 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

Parent/Child Regression/Improvement report for Drupal\Component\Utility\Unicode::substr [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\Component\Utility\Unicode::substr0 N/A% -3 -0.3% -2 -0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-5 -166.7% -2 -100.0% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -3 -100.0% -2 -100.0% 0 N/A% 0 N/A%
Child functions
mb_substr0 N/A% 2 66.7% 6 300.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Unicode::getStatus0 N/A% 0 0.0% -6 -300.0% 0 N/A% 0 N/A%