Diff Report
Run #51aaed0fcbd4e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed996e9e3: 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 #51aaed996e9e3DiffDiff%
Number of Function Calls27 27 0 0.0%
Incl. Wall Time (microsec)168 163 -5 -3.0%
Incl. Wall Time (microsec) per call 6 6 -0 -3.0%
Excl. Wall Time (microsec)127 125 -2 -1.6%
Incl. CPU (microsecs)192 185 -7 -3.6%
Incl. CPU (microsecs) per call 7 7 -0 -3.6%
Excl. CPU (microsec)108 109 1 0.9%
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% -5 -0.7% -7 -1.6% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -40.0% 1 14.3% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -5 -100.0% -7 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -3 -60.0% -3 -42.9% 0 N/A% 0 N/A%
mb_substr0 N/A% 0 0.0% -5 -71.4% 0 N/A% 0 N/A%