Diff Report
Run #51fdbd76c2eed: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51fdbd76c2eedRun #51fdbca2b5409DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)84 80 -4 -4.8%
Incl. Wall Time (microsec) per call 6 6 -0 -4.8%
Excl. Wall Time (microsec)67 64 -3 -4.5%
Incl. CPU (microsecs)98 90 -8 -8.2%
Incl. CPU (microsecs) per call 8 7 -1 -8.2%
Excl. CPU (microsec)52 52 0 0.0%
Incl. MemUse (bytes)4,208 4,208 0 0.0%
Incl. MemUse (bytes) per call 324 324 0 0.0%
Excl. MemUse (bytes)2,176 2,176 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% -4 -0.6% -8 -0.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -75.0% 0 0.0% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -4 -100.0% -8 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -1 -25.0% -4 -50.0% 0 N/A% 0 N/A%
mb_substr0 N/A% 0 0.0% -4 -50.0% 0 N/A% 0 N/A%