Diff Report
Run #51901ff69a8a6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51902129e4489: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #51901ff69a8a6Run #51902129e4489DiffDiff%
Number of Function Calls25 25 0 0.0%
Incl. Wall Time (microsec)197 196 -1 -0.5%
Incl. Wall Time (microsec) per call 8 8 -0 -0.5%
Excl. Wall Time (microsec)58 55 -3 -5.2%
Incl. CPU (microsecs)218 215 -3 -1.4%
Incl. CPU (microsecs) per call 9 9 -0 -1.4%
Excl. CPU (microsec)56 52 -4 -7.1%
Incl. MemUse (bytes)3,888 3,888 0 0.0%
Incl. MemUse (bytes) per call 156 156 0 0.0%
Excl. MemUse (bytes)1,088 1,088 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% -1 -1.9% -3 -4.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -300.0% -4 -133.3% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -1 -100.0% -3 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% 2 200.0% 1 33.3% 0 N/A% 0 N/A%