Diff Report
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fcf6ab927: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #5391fc871e91dRun #5391fcf6ab927DiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)254 257 3 1.2%
Incl. Wall Time (microsec) per call 13 13 0 1.2%
Excl. Wall Time (microsec)72 77 5 6.9%
Incl. CPU (microsecs)271 277 6 2.2%
Incl. CPU (microsecs) per call 14 14 0 2.2%
Excl. CPU (microsec)68 75 7 10.3%
Incl. MemUse (bytes)3,308 3,308 0 0.0%
Incl. MemUse (bytes) per call 165 165 0 0.0%
Excl. MemUse (bytes)588 588 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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 0.2% 6 0.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 166.7% 7 116.7% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% 3 100.0% 6 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -2 -66.7% -1 -16.7% 0 N/A% 0 N/A%