Diff Report
Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5cfb002ea: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51ec5ca916d7dRun #51ec5cfb002eaDiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)89 80 -9 -10.1%
Incl. Wall Time (microsec) per call 7 7 -1 -10.1%
Excl. Wall Time (microsec)59 51 -8 -13.6%
Incl. CPU (microsecs)102 97 -5 -4.9%
Incl. CPU (microsecs) per call 9 8 -0 -4.9%
Excl. CPU (microsec)59 53 -6 -10.2%
Incl. MemUse (bytes)4,160 4,160 0 0.0%
Incl. MemUse (bytes) per call 347 347 0 0.0%
Excl. MemUse (bytes)2,128 2,128 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% -9 -0.6% -5 -5.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -88.9% -6 -120.0% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -9 -100.0% -5 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -1 -11.1% -1 -20.0% 0 N/A% 0 N/A%
mb_substr0 N/A% 0 0.0% 2 40.0% 0 N/A% 0 N/A%