Diff Report
Run #526a239923027: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #526a23ef211f9: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #526a239923027Run #526a23ef211f9DiffDiff%
Number of Function Calls92 92 0 0.0%
Incl. Wall Time (microsec)573 550 -23 -4.0%
Incl. Wall Time (microsec) per call 6 6 -0 -4.0%
Excl. Wall Time (microsec)374 371 -3 -0.8%
Incl. CPU (microsecs)642 617 -25 -3.9%
Incl. CPU (microsecs) per call 7 7 -0 -3.9%
Excl. CPU (microsec)355 328 -27 -7.6%
Incl. MemUse (bytes)10,528 10,528 0 0.0%
Incl. MemUse (bytes) per call 114 114 0 0.0%
Excl. MemUse (bytes)5,968 5,968 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% -23 -2.4% -25 -1.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -13.0% -27 -108.0% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -23 -100.0% -25 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -25 -108.7% -2 -8.0% 0 N/A% 0 N/A%
mb_substr0 N/A% 5 21.7% 4 16.0% 0 N/A% 0 N/A%