Diff Report
Run #536ffcbacf96d: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #536ffbe232db1: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #536ffcbacf96dRun #536ffbe232db1DiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)209 193 -16 -7.7%
Incl. Wall Time (microsec) per call 10 10 -1 -7.7%
Excl. Wall Time (microsec)55 49 -6 -10.9%
Incl. CPU (microsecs)223 205 -18 -8.1%
Incl. CPU (microsecs) per call 11 10 -1 -8.1%
Excl. CPU (microsec)51 48 -3 -5.9%
Incl. MemUse (bytes)5,824 5,824 0 0.0%
Incl. MemUse (bytes) per call 291 291 0 0.0%
Excl. MemUse (bytes)1,311,072 1,311,072 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_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_substr0 N/A% -16 -1.0% -18 -1.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-6 -37.5% -3 -16.7% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -16 -100.0% -18 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -10 -62.5% -15 -83.3% 0 N/A% 0 N/A%