Diff Report
Run #526a239923027: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #526a240c73a50: 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 #526a240c73a50DiffDiff%
Number of Function Calls92 92 0 0.0%
Incl. Wall Time (microsec)573 536 -37 -6.5%
Incl. Wall Time (microsec) per call 6 6 -0 -6.5%
Excl. Wall Time (microsec)374 360 -14 -3.7%
Incl. CPU (microsecs)642 619 -23 -3.6%
Incl. CPU (microsecs) per call 7 7 -0 -3.6%
Excl. CPU (microsec)355 359 4 1.1%
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 3,128 3,128 N/A%
Incl. PeakMemUse (bytes) per call 0 34 34 N/A%
Excl. PeakMemUse (bytes)0 1,600 1,600 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% -37 -108.8% -23 -13.9% 0 0.0% 3,128 1.6%
Exclusive Metrics Diff for Current Function-14 -37.8% 4 17.4% 0 N/A% 1,600 51.2%
Parent function
drupal_substr0 N/A% -37 -100.0% -23 -100.0% 0 N/A% 3,128 100.0%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -18 -48.6% -18 -78.3% 0 N/A% 736 23.5%
mb_substr0 N/A% -5 -13.5% -9 -39.1% 0 N/A% 792 25.3%