Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51ec3b81ad265Run #51ec3c5ab9ae4DiffDiff%
Number of Function Calls68 68 0 0.0%
Incl. Wall Time (microsec)369 367 -2 -0.5%
Incl. Wall Time (microsec) per call 5 5 -0 -0.5%
Excl. Wall Time (microsec)253 243 -10 -4.0%
Incl. CPU (microsecs)436 428 -8 -1.8%
Incl. CPU (microsecs) per call 6 6 -0 -1.8%
Excl. CPU (microsec)249 230 -19 -7.6%
Incl. MemUse (bytes)8,608 8,608 0 0.0%
Incl. MemUse (bytes) per call 127 127 0 0.0%
Excl. MemUse (bytes)4,816 4,816 0 0.0%
Incl. PeakMemUse (bytes)632 632 0 0.0%
Incl. PeakMemUse (bytes) per call 9 9 0 0.0%
Excl. PeakMemUse (bytes)632 632 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% -2 -0.5% -8 -0.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-10 -500.0% -19 -237.5% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -2 -100.0% -8 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% 8 400.0% 13 162.5% 0 N/A% 0 N/A%
mb_substr0 N/A% 0 0.0% -2 -25.0% 0 N/A% 0 N/A%