Diff Report
Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a1fd8a982: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #52e4a1c03557cRun #52e4a1fd8a982DiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)150 137 -13 -8.7%
Incl. Wall Time (microsec) per call 8 7 -1 -8.7%
Excl. Wall Time (microsec)45 42 -3 -6.7%
Incl. CPU (microsecs)169 154 -15 -8.9%
Incl. CPU (microsecs) per call 8 8 -1 -8.9%
Excl. CPU (microsec)50 40 -10 -20.0%
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)2,672 2,672 0 0.0%
Incl. PeakMemUse (bytes) per call 134 134 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% -13 -3.2% -15 -4.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -23.1% -10 -66.7% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -13 -100.0% -15 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -10 -76.9% -5 -33.3% 0 N/A% 0 N/A%