Diff Report
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for mb_substr

mb_substrRun #5392041970f3fRun #539201f8938f4DiffDiff%
Number of Function Calls4 3 -1 -25.0%
Incl. Wall Time (microsec)8 6 -2 -25.0%
Incl. Wall Time (microsec) per call 2 2 0 0.0%
Excl. Wall Time (microsec)8 6 -2 -25.0%
Incl. CPU (microsecs)10 13 3 30.0%
Incl. CPU (microsecs) per call 3 4 2 73.3%
Excl. CPU (microsec)10 13 3 30.0%
Incl. MemUse (bytes)524 504 -20 -3.8%
Incl. MemUse (bytes) per call 131 168 37 28.2%
Excl. MemUse (bytes)524 504 -20 -3.8%
Incl. PeakMemUse (bytes)404 404 0 0.0%
Incl. PeakMemUse (bytes) per call 101 135 34 33.3%
Excl. PeakMemUse (bytes)404 404 0 0.0%

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_substr-1 -100.0% -2 -0.1% 3 0.1% -20 -0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -100.0% 3 100.0% -20 -100.0% 0 N/A%
Parent function
Drupal\Component\Utility\Unicode::substr-1 -100.0% -2 -100.0% 3 100.0% -20 -100.0% 0 N/A%