Diff Report
Run #51978d2b1f3d1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51978d2b1f3d1Run #51978cc86c728DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)58 58 0 0.0%
Incl. Wall Time (microsec) per call 7 7 0 0.0%
Excl. Wall Time (microsec)44 43 -1 -2.3%
Incl. CPU (microsecs)66 64 -2 -3.0%
Incl. CPU (microsecs) per call 8 8 -0 -3.0%
Excl. CPU (microsec)38 36 -2 -5.3%
Incl. MemUse (bytes)3,816 3,816 0 0.0%
Incl. MemUse (bytes) per call 477 477 0 0.0%
Excl. MemUse (bytes)1,936 1,936 0 0.0%
Incl. PeakMemUse (bytes)40 40 0 0.0%
Incl. PeakMemUse (bytes) per call 5 5 0 0.0%
Excl. PeakMemUse (bytes)40 40 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% 0 0.0% -2 -0.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 N/A% -2 -100.0% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% 0 N/A% -2 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% 1 N/A% 0 0.0% 0 N/A% 0 N/A%
mb_substr0 N/A% 0 N/A% 0 0.0% 0 N/A% 0 N/A%