Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51ec485525502Run #51ec491641923DiffDiff%
Number of Function Calls72 72 0 0.0%
Incl. Wall Time (microsec)395 388 -7 -1.8%
Incl. Wall Time (microsec) per call 5 5 -0 -1.8%
Excl. Wall Time (microsec)249 253 4 1.6%
Incl. CPU (microsecs)472 456 -16 -3.4%
Incl. CPU (microsecs) per call 7 6 -0 -3.4%
Excl. CPU (microsec)270 261 -9 -3.3%
Incl. MemUse (bytes)8,960 8,960 0 0.0%
Incl. MemUse (bytes) per call 124 124 0 0.0%
Excl. MemUse (bytes)5,008 5,008 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 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% -7 -0.5% -16 -0.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function4 57.1% -9 -56.2% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -7 -100.0% -16 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -11 -157.1% -10 -62.5% 0 N/A% 0 N/A%
mb_substr0 N/A% 0 0.0% 3 18.8% 0 N/A% 0 N/A%