Diff Report
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #534ad972c8c0dRun #534ad8dec7444DiffDiff%
Number of Function Calls103 103 0 0.0%
Incl. Wall Time (microsec)867 855 -12 -1.4%
Incl. Wall Time (microsec) per call 8 8 -0 -1.4%
Excl. Wall Time (microsec)650 642 -8 -1.2%
Incl. CPU (microsecs)959 940 -19 -2.0%
Incl. CPU (microsecs) per call 9 9 -0 -2.0%
Excl. CPU (microsec)545 541 -4 -0.7%
Incl. MemUse (bytes)6,720 6,720 0 0.0%
Incl. MemUse (bytes) per call 65 65 0 0.0%
Excl. MemUse (bytes)3,724 3,724 0 0.0%
Incl. PeakMemUse (bytes)1,720 1,720 0 0.0%
Incl. PeakMemUse (bytes) per call 17 17 0 0.0%
Excl. PeakMemUse (bytes)780 780 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% -12 -0.8% -19 -3.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -66.7% -4 -21.1% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -12 -100.0% -19 -100.0% 0 N/A% 0 N/A%
Child functions
mb_substr0 N/A% -3 -25.0% -6 -31.6% 0 N/A% 0 N/A%
Drupal\Component\Utility\Unicode::getStatus0 N/A% -1 -8.3% -9 -47.4% 0 N/A% 0 N/A%