Diff Report
Run #51b89ec98250c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b89dd280f98: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51b89ec98250cRun #51b89dd280f98DiffDiff%
Number of Function Calls68 68 0 0.0%
Incl. Wall Time (microsec)687 646 -41 -6.0%
Incl. Wall Time (microsec) per call 10 10 -1 -6.0%
Excl. Wall Time (microsec)400 370 -30 -7.5%
Incl. CPU (microsecs)745 708 -37 -5.0%
Incl. CPU (microsecs) per call 11 10 -1 -5.0%
Excl. CPU (microsec)395 353 -42 -10.6%
Incl. MemUse (bytes)8,608 8,608 0 0.0%
Incl. MemUse (bytes) per call 127 127 0 0.0%
Excl. MemUse (bytes)4,816 4,816 0 0.0%
Incl. PeakMemUse (bytes)80 80 0 0.0%
Incl. PeakMemUse (bytes) per call 1 1 0 0.0%
Excl. PeakMemUse (bytes)80 80 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% -41 -0.3% -37 -0.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-30 -73.2% -42 -113.5% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -41 -100.0% -37 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -6 -14.6% 2 5.4% 0 N/A% 0 N/A%
mb_substr0 N/A% -5 -12.2% 3 8.1% 0 N/A% 0 N/A%