Diff Report
Run #517d750163e11: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d7587ada9c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #517d750163e11Run #517d7587ada9cDiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)44 37 -7 -15.9%
Incl. Wall Time (microsec) per call 5 4 -1 -15.9%
Excl. Wall Time (microsec)33 26 -7 -21.2%
Incl. CPU (microsecs)48 41 -7 -14.6%
Incl. CPU (microsecs) per call 5 5 -1 -14.6%
Excl. CPU (microsec)31 22 -9 -29.0%
Incl. MemUse (bytes)2,656 2,656 0 0.0%
Incl. MemUse (bytes) per call 295 295 0 0.0%
Excl. MemUse (bytes)1,600 1,600 0 0.0%
Incl. PeakMemUse (bytes)1,456 1,456 0 0.0%
Incl. PeakMemUse (bytes) per call 162 162 0 0.0%
Excl. PeakMemUse (bytes)896 896 0 0.0%

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% -7 -0.1% -7 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-7 -100.0% -9 -128.6% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -7 -100.0% -7 -100.0% 0 N/A% 0 N/A%
Child function
mb_substr0 N/A% 0 0.0% 2 28.6% 0 N/A% 0 N/A%