Diff Report
Run #52c96d7c36f9e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96dcbc5e6a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #52c96d7c36f9eRun #52c96dcbc5e6aDiffDiff%
Number of Function Calls66 66 0 0.0%
Incl. Wall Time (microsec)283 286 3 1.1%
Incl. Wall Time (microsec) per call 4 4 0 1.1%
Excl. Wall Time (microsec)272 276 4 1.5%
Incl. CPU (microsecs)334 324 -10 -3.0%
Incl. CPU (microsecs) per call 5 5 -0 -3.0%
Excl. CPU (microsec)205 186 -19 -9.3%
Incl. MemUse (bytes)8,496 8,496 0 0.0%
Incl. MemUse (bytes) per call 129 129 0 0.0%
Excl. MemUse (bytes)4,720 4,720 0 0.0%
Incl. PeakMemUse (bytes)160 224 64 40.0%
Incl. PeakMemUse (bytes) per call 2 3 1 40.0%
Excl. PeakMemUse (bytes)80 112 32 40.0%

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% 3 0.4% -10 -0.7% 0 0.0% 64 0.1%
Exclusive Metrics Diff for Current Function4 133.3% -19 -190.0% 0 N/A% 32 50.0%
Parent function
drupal_substr0 N/A% 3 100.0% -10 -100.0% 0 N/A% 64 100.0%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -1 -33.3% 12 120.0% 0 N/A% 0 0.0%
mb_substr0 N/A% 0 0.0% -3 -30.0% 0 N/A% 32 50.0%