Diff Report
Run #52c96b69a1c07: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96bbf45f87: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #52c96b69a1c07Run #52c96bbf45f87DiffDiff%
Number of Function Calls18 18 0 0.0%
Incl. Wall Time (microsec)86 82 -4 -4.7%
Incl. Wall Time (microsec) per call 5 5 -0 -4.7%
Excl. Wall Time (microsec)80 76 -4 -5.0%
Incl. CPU (microsecs)100 101 1 1.0%
Incl. CPU (microsecs) per call 6 6 0 1.0%
Excl. CPU (microsec)60 56 -4 -6.7%
Incl. MemUse (bytes)4,608 4,608 0 0.0%
Incl. MemUse (bytes) per call 256 256 0 0.0%
Excl. MemUse (bytes)2,416 2,416 0 0.0%
Incl. PeakMemUse (bytes)472 248 -224 -47.5%
Incl. PeakMemUse (bytes) per call 26 14 -12 -47.5%
Excl. PeakMemUse (bytes)472 248 -224 -47.5%

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 -0.7% 1 0.2% 0 0.0% -224 -0.4%
Exclusive Metrics Diff for Current Function-4 -100.0% -4 -400.0% 0 N/A% -224 -100.0%
Parent function
drupal_substr0 N/A% -4 -100.0% 1 100.0% 0 N/A% -224 -100.0%
Child functions
mb_substr0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Drupal\Component\Utility\Unicode::getStatus0 N/A% 0 0.0% 5 500.0% 0 N/A% 0 0.0%