Diff Report
Run #51aad15cb89bb: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aad231c9c46: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51aad15cb89bbRun #51aad231c9c46DiffDiff%
Number of Function Calls27 27 0 0.0%
Incl. Wall Time (microsec)167 171 4 2.4%
Incl. Wall Time (microsec) per call 6 6 0 2.4%
Excl. Wall Time (microsec)129 125 -4 -3.1%
Incl. CPU (microsecs)194 193 -1 -0.5%
Incl. CPU (microsecs) per call 7 7 -0 -0.5%
Excl. CPU (microsec)109 116 7 6.4%
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% 4 1.5% -1 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-4 -100.0% 7 700.0% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% 4 100.0% -1 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% 7 175.0% -12 -1200.0% 0 N/A% 0 N/A%
mb_substr0 N/A% 1 25.0% 4 400.0% 0 N/A% 0 N/A%