Diff Report
Run #517c7dc1dc4c3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c7d73caad2: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #517c7dc1dc4c3Run #517c7d73caad2DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)37 39 2 5.4%
Incl. Wall Time (microsec) per call 4 4 0 5.4%
Excl. Wall Time (microsec)25 28 3 12.0%
Incl. CPU (microsecs)45 48 3 6.7%
Incl. CPU (microsecs) per call 5 5 0 6.7%
Excl. CPU (microsec)31 33 2 6.5%
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% 2 0.6% 3 0.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function3 150.0% 2 66.7% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% 2 100.0% 3 100.0% 0 N/A% 0 N/A%
Child function
mb_substr0 N/A% -1 -50.0% 1 33.3% 0 N/A% 0 N/A%