Diff Report
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #53923e49d2b58Run #53923d861ff11DiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)185 178 -7 -3.8%
Incl. Wall Time (microsec) per call 9 9 -0 -3.8%
Excl. Wall Time (microsec)129 132 3 2.3%
Incl. CPU (microsecs)205 199 -6 -2.9%
Incl. CPU (microsecs) per call 10 10 -0 -2.9%
Excl. CPU (microsec)119 115 -4 -3.4%
Incl. MemUse (bytes)2,720 2,720 0 0.0%
Incl. MemUse (bytes) per call 136 136 0 0.0%
Excl. MemUse (bytes)1,400 1,400 0 0.0%
Incl. PeakMemUse (bytes)1,700 1,700 0 0.0%
Incl. PeakMemUse (bytes) per call 85 85 0 0.0%
Excl. PeakMemUse (bytes)780 780 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% -7 -0.4% -6 -0.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function3 42.9% -4 -66.7% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -7 -100.0% -6 -100.0% 0 N/A% 0 N/A%
Child functions
mb_substr0 N/A% -10 -142.9% -6 -100.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Unicode::getStatus0 N/A% 0 0.0% 4 66.7% 0 N/A% 0 N/A%