Diff Report
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #517c1c27a12c9Run #517c1bb406b02DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)40 34 -6 -15.0%
Incl. Wall Time (microsec) per call 4 4 -1 -15.0%
Excl. Wall Time (microsec)29 23 -6 -20.7%
Incl. CPU (microsecs)48 42 -6 -12.5%
Incl. CPU (microsecs) per call 5 5 -1 -12.5%
Excl. CPU (microsec)28 26 -2 -7.1%
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% -6 -0.0% -6 -0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-6 -100.0% -2 -33.3% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -6 -100.0% -6 -100.0% 0 N/A% 0 N/A%
Child function
mb_substr0 N/A% 0 0.0% -4 -66.7% 0 N/A% 0 N/A%