Diff Report
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3af7e977d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #538e3ac0de109Run #538e3af7e977dDiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)87 88 1 1.1%
Incl. Wall Time (microsec) per call 7 7 0 1.1%
Excl. Wall Time (microsec)26 28 2 7.7%
Incl. CPU (microsecs)96 89 -7 -7.3%
Incl. CPU (microsecs) per call 8 7 -1 -7.3%
Excl. CPU (microsec)32 20 -12 -37.5%
Incl. MemUse (bytes)5,216 5,216 0 0.0%
Incl. MemUse (bytes) per call 435 435 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% 1 0.1% -7 -0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 200.0% -12 -171.4% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% 1 100.0% -7 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -1 -100.0% 5 71.4% 0 N/A% 0 N/A%