Diff Report
Run #51a9457328375: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51a9457328375Run #51a944519b58cDiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)93 78 -15 -16.1%
Incl. Wall Time (microsec) per call 8 7 -1 -16.1%
Excl. Wall Time (microsec)62 59 -3 -4.8%
Incl. CPU (microsecs)104 88 -16 -15.4%
Incl. CPU (microsecs) per call 9 7 -1 -15.4%
Excl. CPU (microsec)56 45 -11 -19.6%
Incl. MemUse (bytes)4,128 4,128 0 0.0%
Incl. MemUse (bytes) per call 344 344 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% -15 -1.7% -16 -1.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -20.0% -11 -68.8% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -15 -100.0% -16 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -11 -73.3% -4 -25.0% 0 N/A% 0 N/A%
mb_substr0 N/A% -1 -6.7% -1 -6.2% 0 N/A% 0 N/A%