Diff Report
Run #51ec6582d0962: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51ec6582d0962Run #51ec623000e0cDiffDiff%
Number of Function Calls36 36 0 0.0%
Incl. Wall Time (microsec)339 333 -6 -1.8%
Incl. Wall Time (microsec) per call 9 9 -0 -1.8%
Excl. Wall Time (microsec)175 173 -2 -1.1%
Incl. CPU (microsecs)368 369 1 0.3%
Incl. CPU (microsecs) per call 10 10 0 0.3%
Excl. CPU (microsec)151 157 6 4.0%
Incl. MemUse (bytes)21,112 21,112 0 0.0%
Incl. MemUse (bytes) per call 586 586 0 0.0%
Excl. MemUse (bytes)2,952 2,952 0 0.0%
Incl. PeakMemUse (bytes)16,560 16,560 0 0.0%
Incl. PeakMemUse (bytes) per call 460 460 0 0.0%
Excl. PeakMemUse (bytes)1,104 1,104 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% -6 -0.2% 1 0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -33.3% 6 600.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Unicode::truncate0 N/A% -7 -116.7% -5 -500.0% 0 N/A% 0 N/A%
drupal_substr0 N/A% 1 16.7% 6 600.0% 0 N/A% 0 N/A%
Child functions
mb_substr0 N/A% -4 -66.7% -9 -900.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Unicode::getStatus0 N/A% 0 0.0% 4 400.0% 0 N/A% 0 N/A%