Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206aca7ae8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #539205a48c548Run #539206aca7ae8DiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)256 251 -5 -2.0%
Incl. Wall Time (microsec) per call 13 13 -0 -2.0%
Excl. Wall Time (microsec)76 72 -4 -5.3%
Incl. CPU (microsecs)272 267 -5 -1.8%
Incl. CPU (microsecs) per call 14 13 -0 -1.8%
Excl. CPU (microsec)72 68 -4 -5.6%
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% -5 -0.1% -5 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-4 -80.0% -4 -80.0% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -5 -100.0% -5 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -1 -20.0% -1 -20.0% 0 N/A% 0 N/A%