Diff Report
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51ec623000e0cRun #51ec66a5a877dDiffDiff%
Number of Function Calls36 36 0 0.0%
Incl. Wall Time (microsec)333 306 -27 -8.1%
Incl. Wall Time (microsec) per call 9 9 -1 -8.1%
Excl. Wall Time (microsec)173 171 -2 -1.2%
Incl. CPU (microsecs)369 338 -31 -8.4%
Incl. CPU (microsecs) per call 10 9 -1 -8.4%
Excl. CPU (microsec)157 143 -14 -8.9%
Incl. MemUse (bytes)21,112 21,112 0 0.0%
Incl. MemUse (bytes) per call 586 586 0 0.0%
Excl. MemUse (bytes)2,952 2,952 0 0.0%
Incl. PeakMemUse (bytes)16,560 16,560 0 0.0%
Incl. PeakMemUse (bytes) per call 460 460 0 0.0%
Excl. PeakMemUse (bytes)1,104 1,104 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% -27 -1.1% -31 -0.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -7.4% -14 -45.2% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Unicode::truncate0 N/A% -27 -100.0% -27 -87.1% 0 N/A% 0 N/A%
drupal_substr0 N/A% 0 0.0% -4 -12.9% 0 N/A% 0 N/A%
Child functions
mb_substr0 N/A% -26 -96.3% -21 -67.7% 0 N/A% 0 N/A%
Drupal\Component\Utility\Unicode::getStatus0 N/A% 1 3.7% 4 12.9% 0 N/A% 0 N/A%