Diff Report
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #51ec623000e0cRun #51ec66a5a877dDiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)116 124 8 6.9%
Incl. Wall Time (microsec) per call 10 10 1 6.9%
Excl. Wall Time (microsec)36 44 8 22.2%
Incl. CPU (microsecs)123 130 7 5.7%
Incl. CPU (microsecs) per call 10 11 1 5.7%
Excl. CPU (microsec)28 39 11 39.3%
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% 8 0.3% 7 0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function8 100.0% 11 157.1% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% 8 100.0% 7 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% 0 0.0% -4 -57.1% 0 N/A% 0 N/A%