Diff Report
Run #51fdbdbb58abc: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #51fdbdbb58abcRun #51fdbca2b5409DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)118 114 -4 -3.4%
Incl. Wall Time (microsec) per call 9 9 -0 -3.4%
Excl. Wall Time (microsec)36 34 -2 -5.6%
Incl. CPU (microsecs)126 126 0 0.0%
Incl. CPU (microsecs) per call 10 10 0 0.0%
Excl. CPU (microsec)29 36 7 24.1%
Incl. MemUse (bytes)5,296 5,296 0 0.0%
Incl. MemUse (bytes) per call 407 407 0 0.0%
Excl. MemUse (bytes)1,088 1,088 0 0.0%
Incl. PeakMemUse (bytes)880 760 -120 -13.6%
Incl. PeakMemUse (bytes) per call 68 58 -9 -13.6%
Excl. PeakMemUse (bytes)880 760 -120 -13.6%

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% -4 -0.4% 0 0.0% 0 0.0% -120 -0.4%
Exclusive Metrics Diff for Current Function-2 -50.0% 7 N/A% 0 N/A% -120 -100.0%
Parent function
file_create_url0 N/A% -4 -100.0% 0 N/A% 0 N/A% -120 -100.0%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -2 -50.0% -7 N/A% 0 N/A% 0 0.0%