Diff Report
Run #51abc4cb0a647: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51abc588c7973: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51abc4cb0a647Run #51abc588c7973DiffDiff%
Number of Function Calls18 18 0 0.0%
Incl. Wall Time (microsec)109 112 3 2.8%
Incl. Wall Time (microsec) per call 6 6 0 2.8%
Excl. Wall Time (microsec)83 88 5 6.0%
Incl. CPU (microsecs)128 132 4 3.1%
Incl. CPU (microsecs) per call 7 7 0 3.1%
Excl. CPU (microsec)76 80 4 5.3%
Incl. MemUse (bytes)4,608 4,608 0 0.0%
Incl. MemUse (bytes) per call 256 256 0 0.0%
Excl. MemUse (bytes)2,416 2,416 0 0.0%
Incl. PeakMemUse (bytes)264 104 -160 -60.6%
Incl. PeakMemUse (bytes) per call 15 6 -9 -60.6%
Excl. PeakMemUse (bytes)264 104 -160 -60.6%

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% 3 5.5% 4 0.2% 0 0.0% -160 -0.6%
Exclusive Metrics Diff for Current Function5 166.7% 4 100.0% 0 N/A% -160 -100.0%
Parent function
drupal_substr0 N/A% 3 100.0% 4 100.0% 0 N/A% -160 -100.0%
Child functions
mb_substr0 N/A% -1 -33.3% 2 50.0% 0 N/A% 0 0.0%
Drupal\Component\Utility\Unicode::getStatus0 N/A% -1 -33.3% -2 -50.0% 0 N/A% 0 0.0%