Diff Report
Run #52c641a950046: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c6423bf12de: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #52c641a950046Run #52c6423bf12deDiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)78 79 1 1.3%
Incl. Wall Time (microsec) per call 5 5 0 1.3%
Excl. Wall Time (microsec)65 67 2 3.1%
Incl. CPU (microsecs)91 87 -4 -4.4%
Incl. CPU (microsecs) per call 6 6 -0 -4.4%
Excl. CPU (microsec)58 50 -8 -13.8%
Incl. MemUse (bytes)4,400 4,400 0 0.0%
Incl. MemUse (bytes) per call 293 293 0 0.0%
Excl. MemUse (bytes)2,272 2,272 0 0.0%
Incl. PeakMemUse (bytes)3,280 3,280 0 0.0%
Incl. PeakMemUse (bytes) per call 219 219 0 0.0%
Excl. PeakMemUse (bytes)1,632 1,632 0 0.0%

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% 1 0.2% -4 -0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 200.0% -8 -200.0% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% 1 100.0% -4 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -1 -100.0% 3 75.0% 0 N/A% 0 N/A%
mb_substr0 N/A% 0 0.0% 1 25.0% 0 N/A% 0 N/A%