Diff Report
Run #53d4352fc0c61: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53d436500e2ac: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #53d4352fc0c61Run #53d436500e2acDiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)99 92 -7 -7.1%
Incl. Wall Time (microsec) per call 8 7 -1 -7.1%
Excl. Wall Time (microsec)68 67 -1 -1.5%
Incl. CPU (microsecs)107 115 8 7.5%
Incl. CPU (microsecs) per call 8 9 1 7.5%
Excl. CPU (microsec)57 69 12 21.1%
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)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 -0.1% 8 0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -14.3% 12 150.0% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -7 -100.0% 8 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -5 -71.4% 1 12.5% 0 N/A% 0 N/A%
mb_substr0 N/A% -1 -14.3% -5 -62.5% 0 N/A% 0 N/A%