Diff Report
Run #519d9d52c2102: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #519d9d52c2102Run #519d9cf28420eDiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)249 235 -14 -5.6%
Incl. Wall Time (microsec) per call 12 12 -1 -5.6%
Excl. Wall Time (microsec)165 148 -17 -10.3%
Incl. CPU (microsecs)264 251 -13 -4.9%
Incl. CPU (microsecs) per call 13 13 -1 -4.9%
Excl. CPU (microsec)138 135 -3 -2.2%
Incl. MemUse (bytes)11,328 11,328 0 0.0%
Incl. MemUse (bytes) per call 566 566 0 0.0%
Excl. MemUse (bytes)3,152 3,152 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% -14 -6.3% -13 -0.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-17 -121.4% -3 -23.1% 0 N/A% 0 N/A%
Parent functions
drupal_substr0 N/A% -10 -71.4% -8 -61.5% 0 N/A% 0 N/A%
Drupal\Component\Utility\Unicode::truncate0 N/A% -4 -28.6% -5 -38.5% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% 2 14.3% -6 -46.2% 0 N/A% 0 N/A%
mb_substr0 N/A% 1 7.1% -4 -30.8% 0 N/A% 0 N/A%