Diff Report
Run #51ca5414b31d9: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca54a312a65: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51ca5414b31d9Run #51ca54a312a65DiffDiff%
Number of Function Calls16 16 0 0.0%
Incl. Wall Time (microsec)163 160 -3 -1.8%
Incl. Wall Time (microsec) per call 10 10 -0 -1.8%
Excl. Wall Time (microsec)95 102 7 7.4%
Incl. CPU (microsecs)179 171 -8 -4.5%
Incl. CPU (microsecs) per call 11 11 -1 -4.5%
Excl. CPU (microsec)99 94 -5 -5.1%
Incl. MemUse (bytes)4,448 4,448 0 0.0%
Incl. MemUse (bytes) per call 278 278 0 0.0%
Excl. MemUse (bytes)2,320 2,320 0 0.0%
Incl. PeakMemUse (bytes)80 248 168 210.0%
Incl. PeakMemUse (bytes) per call 5 16 11 210.0%
Excl. PeakMemUse (bytes)80 248 168 210.0%

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 -0.3% -8 -3.7% 0 0.0% 168 0.2%
Exclusive Metrics Diff for Current Function7 233.3% -5 -62.5% 0 N/A% 168 100.0%
Parent function
drupal_substr0 N/A% -3 -100.0% -8 -100.0% 0 N/A% 168 100.0%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -7 -233.3% -1 -12.5% 0 N/A% 0 0.0%
mb_substr0 N/A% -3 -100.0% -2 -25.0% 0 N/A% 0 0.0%