Diff Report
Run #5198b38f0f1d5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198b3b171080: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #5198b38f0f1d5Run #5198b3b171080DiffDiff%
Number of Function Calls18 18 0 0.0%
Incl. Wall Time (microsec)110 117 7 6.4%
Incl. Wall Time (microsec) per call 6 7 0 6.4%
Excl. Wall Time (microsec)84 86 2 2.4%
Incl. CPU (microsecs)126 128 2 1.6%
Incl. CPU (microsecs) per call 7 7 0 1.6%
Excl. CPU (microsec)73 72 -1 -1.4%
Incl. MemUse (bytes)4,640 4,640 0 0.0%
Incl. MemUse (bytes) per call 258 258 0 0.0%
Excl. MemUse (bytes)2,416 2,416 0 0.0%
Incl. PeakMemUse (bytes)1,848 1,848 0 0.0%
Incl. PeakMemUse (bytes) per call 103 103 0 0.0%
Excl. PeakMemUse (bytes)1,288 1,288 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% 7 16.7% 2 3.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 28.6% -1 -50.0% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% 7 100.0% 2 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% 4 57.1% -7 -350.0% 0 N/A% 0 N/A%
mb_substr0 N/A% 1 14.3% 10 500.0% 0 N/A% 0 N/A%