Diff Report
Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5d631cb28: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #51ec5ca916d7dRun #51ec5d631cb28DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)123 117 -6 -4.9%
Incl. Wall Time (microsec) per call 10 10 -1 -4.9%
Excl. Wall Time (microsec)34 38 4 11.8%
Incl. CPU (microsecs)133 124 -9 -6.8%
Incl. CPU (microsecs) per call 11 10 -1 -6.8%
Excl. CPU (microsec)31 31 0 0.0%
Incl. MemUse (bytes)5,248 5,248 0 0.0%
Incl. MemUse (bytes) per call 437 437 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% -6 -0.1% -9 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function4 66.7% 0 0.0% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -6 -100.0% -9 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -10 -166.7% -9 -100.0% 0 N/A% 0 N/A%