Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #534ad8dec7444Run #534ad9c94e95bDiffDiff%
Number of Function Calls103 103 0 0.0%
Incl. Wall Time (microsec)1,212 1,354 142 11.7%
Incl. Wall Time (microsec) per call 12 13 1 11.7%
Excl. Wall Time (microsec)357 415 58 16.2%
Incl. CPU (microsecs)1,291 1,430 139 10.8%
Incl. CPU (microsecs) per call 13 14 1 10.8%
Excl. CPU (microsec)351 380 29 8.3%
Incl. MemUse (bytes)7,308 7,308 0 0.0%
Incl. MemUse (bytes) per call 71 71 0 0.0%
Excl. MemUse (bytes)588 588 0 0.0%
Incl. PeakMemUse (bytes)2,292 2,292 0 0.0%
Incl. PeakMemUse (bytes) per call 22 22 0 0.0%
Excl. PeakMemUse (bytes)572 572 0 0.0%

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% 142 8.6% 139 27.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function58 40.8% 29 20.9% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% 142 100.0% 139 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% 84 59.2% 110 79.1% 0 N/A% 0 N/A%