Diff Report
Run #544333b05173f: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #544337f542f97: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #544333b05173fRun #544337f542f97DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)102 91 -11 -10.8%
Incl. Wall Time (microsec) per call 8 7 -1 -10.8%
Excl. Wall Time (microsec)74 64 -10 -13.5%
Incl. CPU (microsecs)114 106 -8 -7.0%
Incl. CPU (microsecs) per call 9 8 -1 -7.0%
Excl. CPU (microsec)65 62 -3 -4.6%
Incl. MemUse (bytes)4,032 4,032 0 0.0%
Incl. MemUse (bytes) per call 310 310 0 0.0%
Excl. MemUse (bytes)2,000 2,000 0 0.0%
Incl. PeakMemUse (bytes)32 32 0 0.0%
Incl. PeakMemUse (bytes) per call 2 2 0 0.0%
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 -0.3% -8 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-10 -90.9% -3 -37.5% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -11 -100.0% -8 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -1 -9.1% -3 -37.5% 0 N/A% 0 N/A%
mb_substr0 N/A% 0 0.0% -2 -25.0% 0 N/A% 0 N/A%