Diff Report
Run #51aaed0fcbd4e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed63de9a0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51aaed0fcbd4eRun #51aaed63de9a0DiffDiff%
Number of Function Calls27 27 0 0.0%
Incl. Wall Time (microsec)168 167 -1 -0.6%
Incl. Wall Time (microsec) per call 6 6 -0 -0.6%
Excl. Wall Time (microsec)127 129 2 1.6%
Incl. CPU (microsecs)192 196 4 2.1%
Incl. CPU (microsecs) per call 7 7 0 2.1%
Excl. CPU (microsec)108 113 5 4.6%
Incl. MemUse (bytes)5,328 5,328 0 0.0%
Incl. MemUse (bytes) per call 197 197 0 0.0%
Excl. MemUse (bytes)2,848 2,848 0 0.0%
Incl. PeakMemUse (bytes)1,448 1,448 0 0.0%
Incl. PeakMemUse (bytes) per call 54 54 0 0.0%
Excl. PeakMemUse (bytes)1,000 1,000 0 0.0%

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% -1 -0.2% 4 2.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 200.0% 5 125.0% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -1 -100.0% 4 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -3 -300.0% 1 25.0% 0 N/A% 0 N/A%
mb_substr0 N/A% 0 0.0% -2 -50.0% 0 N/A% 0 N/A%