Diff Report
Run #5219624c55207: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #521962a927d49: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #5219624c55207Run #521962a927d49DiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)97 101 4 4.1%
Incl. Wall Time (microsec) per call 6 7 0 4.1%
Excl. Wall Time (microsec)73 80 7 9.6%
Incl. CPU (microsecs)111 113 2 1.8%
Incl. CPU (microsecs) per call 7 8 0 1.8%
Excl. CPU (microsec)60 65 5 8.3%
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)0 3,280 3,280 N/A%
Incl. PeakMemUse (bytes) per call 0 219 219 N/A%
Excl. PeakMemUse (bytes)0 1,632 1,632 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 0.9% 2 0.2% 0 0.0% 3,280 11.1%
Exclusive Metrics Diff for Current Function7 175.0% 5 250.0% 0 N/A% 1,632 49.8%
Parent function
drupal_substr0 N/A% 4 100.0% 2 100.0% 0 N/A% 3,280 100.0%
Child functions
mb_substr0 N/A% -2 -50.0% -5 -250.0% 0 N/A% 824 25.1%
Drupal\Component\Utility\Unicode::getStatus0 N/A% -1 -25.0% 2 100.0% 0 N/A% 824 25.1%