Diff Report
Run #51a448a326782: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a4463d308ce: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51a448a326782Run #51a4463d308ceDiffDiff%
Number of Function Calls62 62 0 0.0%
Incl. Wall Time (microsec)2,025 1,939 -86 -4.2%
Incl. Wall Time (microsec) per call 33 31 -1 -4.2%
Excl. Wall Time (microsec)1,770 1,676 -94 -5.3%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 65 65 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)4,736 4,756 20 0.4%
Incl. MemUse (bytes) per call 76 77 0 0.4%
Excl. MemUse (bytes)2,576 2,576 0 0.0%
Incl. PeakMemUse (bytes)1,600 1,496 -104 -6.5%
Incl. PeakMemUse (bytes) per call 26 24 -2 -6.5%
Excl. PeakMemUse (bytes)780 636 -144 -18.5%

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% -86 -0.6% 4,000 50.0% 20 0.0% -104 -0.1%
Exclusive Metrics Diff for Current Function-94 -109.3% 0 0.0% 0 0.0% -144 -138.5%
Parent function
drupal_substr0 N/A% -86 -100.0% 4,000 100.0% 20 100.0% -104 -100.0%
Child functions
mb_substr0 N/A% 4 4.7% 0 0.0% 0 0.0% 60 57.7%
Drupal\Component\Utility\Unicode::getStatus0 N/A% 4 4.7% 4,000 100.0% 20 100.0% -20 -19.2%