Diff Report
Run #52e49b28a90e1: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #52e49b28a90e1Run #52e49acfb0eb8DiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)154 151 -3 -1.9%
Incl. Wall Time (microsec) per call 8 8 -0 -1.9%
Excl. Wall Time (microsec)45 46 1 2.2%
Incl. CPU (microsecs)173 170 -3 -1.7%
Incl. CPU (microsecs) per call 9 9 -0 -1.7%
Excl. CPU (microsec)49 51 2 4.1%
Incl. MemUse (bytes)5,856 5,856 0 0.0%
Incl. MemUse (bytes) per call 293 293 0 0.0%
Excl. MemUse (bytes)1,088 1,088 0 0.0%
Incl. PeakMemUse (bytes)2,856 2,856 0 0.0%
Incl. PeakMemUse (bytes) per call 143 143 0 0.0%
Excl. PeakMemUse (bytes)1,056 1,056 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% -3 -1.0% -3 -0.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 33.3% 2 66.7% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -3 -100.0% -3 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -4 -133.3% -5 -166.7% 0 N/A% 0 N/A%