Diff Report
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e633ddef65: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #519e62c02d767Run #519e633ddef65DiffDiff%
Number of Function Calls10 10 0 0.0%
Incl. Wall Time (microsec)106 97 -9 -8.5%
Incl. Wall Time (microsec) per call 11 10 -1 -8.5%
Excl. Wall Time (microsec)27 29 2 7.4%
Incl. CPU (microsecs)110 104 -6 -5.5%
Incl. CPU (microsecs) per call 11 10 -1 -5.5%
Excl. CPU (microsec)21 25 4 19.0%
Incl. MemUse (bytes)5,088 5,088 0 0.0%
Incl. MemUse (bytes) per call 509 509 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% -9 -2.3% -6 -1.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 22.2% 4 66.7% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -9 -100.0% -6 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -11 -122.2% -10 -166.7% 0 N/A% 0 N/A%