Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #51ec517fc2424Run #51ec52a09990aDiffDiff%
Number of Function Calls71 71 0 0.0%
Incl. Wall Time (microsec)582 574 -8 -1.4%
Incl. Wall Time (microsec) per call 8 8 -0 -1.4%
Excl. Wall Time (microsec)201 197 -4 -2.0%
Incl. CPU (microsecs)614 605 -9 -1.5%
Incl. CPU (microsecs) per call 9 9 -0 -1.5%
Excl. CPU (microsec)169 157 -12 -7.1%
Incl. MemUse (bytes)9,936 9,936 0 0.0%
Incl. MemUse (bytes) per call 140 140 0 0.0%
Excl. MemUse (bytes)1,088 1,088 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% -8 -0.2% -9 -0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-4 -50.0% -12 -133.3% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -8 -100.0% -9 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -4 -50.0% 3 33.3% 0 N/A% 0 N/A%