Diff Report
Run #52f5c0b2e882a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c11235c73: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for mb_substr

mb_substrRun #52f5c0b2e882aRun #52f5c11235c73DiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)5 4 -1 -20.0%
Incl. Wall Time (microsec) per call 0 0 -0 -20.0%
Excl. Wall Time (microsec)5 4 -1 -20.0%
Incl. CPU (microsecs)15 14 -1 -6.7%
Incl. CPU (microsecs) per call 1 1 -0 -6.7%
Excl. CPU (microsec)15 14 -1 -6.7%
Incl. MemUse (bytes)1,240 1,240 0 0.0%
Incl. MemUse (bytes) per call 89 89 0 0.0%
Excl. MemUse (bytes)1,240 1,240 0 0.0%
Incl. PeakMemUse (bytes)560 424 -136 -24.3%
Incl. PeakMemUse (bytes) per call 40 30 -10 -24.3%
Excl. PeakMemUse (bytes)560 424 -136 -24.3%

Parent/Child Regression/Improvement report for mb_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
mb_substr0 N/A% -1 -0.2% -1 -0.4% 0 0.0% -136 -0.3%
Exclusive Metrics Diff for Current Function-1 -100.0% -1 -100.0% 0 N/A% -136 -100.0%
Parent function
Drupal\Component\Utility\Unicode::substr0 N/A% -1 -100.0% -1 -100.0% 0 N/A% -136 -100.0%