Diff Report
Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a222581ef: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #52e4a1c03557cRun #52e4a222581efDiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)105 99 -6 -5.7%
Incl. Wall Time (microsec) per call 5 5 -0 -5.7%
Excl. Wall Time (microsec)92 86 -6 -6.5%
Incl. CPU (microsecs)119 117 -2 -1.7%
Incl. CPU (microsecs) per call 6 6 -0 -1.7%
Excl. CPU (microsec)67 64 -3 -4.5%
Incl. MemUse (bytes)4,768 4,768 0 0.0%
Incl. MemUse (bytes) per call 238 238 0 0.0%
Excl. MemUse (bytes)2,512 2,512 0 0.0%
Incl. PeakMemUse (bytes)1,616 1,344 -272 -16.8%
Incl. PeakMemUse (bytes) per call 81 67 -14 -16.8%
Excl. PeakMemUse (bytes)1,088 1,088 0 0.0%

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% -6 -1.2% -2 -0.9% 0 0.0% -272 -1.0%
Exclusive Metrics Diff for Current Function-6 -100.0% -3 -150.0% 0 N/A% 0 0.0%
Parent function
drupal_substr0 N/A% -6 -100.0% -2 -100.0% 0 N/A% -272 -100.0%
Child functions
mb_substr0 N/A% -2 -33.3% 0 0.0% 0 N/A% -272 -100.0%
Drupal\Component\Utility\Unicode::getStatus0 N/A% 2 33.3% 1 50.0% 0 N/A% 0 0.0%