Diff Report
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e633ddef65: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #519e62c02d767Run #519e633ddef65DiffDiff%
Number of Function Calls10 10 0 0.0%
Incl. Wall Time (microsec)79 68 -11 -13.9%
Incl. Wall Time (microsec) per call 8 7 -1 -13.9%
Excl. Wall Time (microsec)56 46 -10 -17.9%
Incl. CPU (microsecs)89 79 -10 -11.2%
Incl. CPU (microsecs) per call 9 8 -1 -11.2%
Excl. CPU (microsec)45 47 2 4.4%
Incl. MemUse (bytes)4,000 4,000 0 0.0%
Incl. MemUse (bytes) per call 400 400 0 0.0%
Excl. MemUse (bytes)2,032 2,032 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% -11 -2.8% -10 -1.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-10 -90.9% 2 20.0% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -11 -100.0% -10 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -1 -9.1% -8 -80.0% 0 N/A% 0 N/A%
mb_substr0 N/A% 0 0.0% -4 -40.0% 0 N/A% 0 N/A%