Diff Report
Run #519eb486908e7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb5243677d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #519eb486908e7Run #519eb5243677dDiffDiff%
Number of Function Calls29 29 0 0.0%
Incl. Wall Time (microsec)490 488 -2 -0.4%
Incl. Wall Time (microsec) per call 17 17 -0 -0.4%
Excl. Wall Time (microsec)289 288 -1 -0.3%
Incl. CPU (microsecs)515 516 1 0.2%
Incl. CPU (microsecs) per call 18 18 0 0.2%
Excl. CPU (microsec)255 258 3 1.2%
Incl. MemUse (bytes)14,144 14,144 0 0.0%
Incl. MemUse (bytes) per call 488 488 0 0.0%
Excl. MemUse (bytes)1,920 1,920 0 0.0%
Incl. PeakMemUse (bytes)22,988 22,988 0 0.0%
Incl. PeakMemUse (bytes) per call 793 793 0 0.0%
Excl. PeakMemUse (bytes)11,640 11,640 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Component\Utility\Unicode::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\Component\Utility\Unicode::substr0 N/A% -2 -0.1% 1 0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -50.0% 3 300.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Unicode::truncate0 N/A% -3 -150.0% 2 200.0% 0 N/A% 0 N/A%
drupal_substr0 N/A% 1 50.0% -1 -100.0% 0 N/A% 0 N/A%
Child functions
mb_substr0 N/A% -1 -50.0% -1 -100.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Unicode::getStatus0 N/A% 0 0.0% -1 -100.0% 0 N/A% 0 N/A%