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

Drupal\Component\Utility\Unicode::substrRun #51ec491641923Run #51ec485525502DiffDiff%
Number of Function Calls72 72 0 0.0%
Incl. Wall Time (microsec)388 395 7 1.8%
Incl. Wall Time (microsec) per call 5 5 0 1.8%
Excl. Wall Time (microsec)253 249 -4 -1.6%
Incl. CPU (microsecs)456 472 16 3.5%
Incl. CPU (microsecs) per call 6 7 0 3.5%
Excl. CPU (microsec)261 270 9 3.4%
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 Function-4 -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%