Diff Report
Run #51ec3c1813b11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51ec3c1813b11Run #51ec3b81ad265DiffDiff%
Number of Function Calls68 68 0 0.0%
Incl. Wall Time (microsec)383 369 -14 -3.7%
Incl. Wall Time (microsec) per call 6 5 -0 -3.7%
Excl. Wall Time (microsec)267 253 -14 -5.2%
Incl. CPU (microsecs)445 436 -9 -2.0%
Incl. CPU (microsecs) per call 7 6 -0 -2.0%
Excl. CPU (microsec)254 249 -5 -2.0%
Incl. MemUse (bytes)8,608 8,608 0 0.0%
Incl. MemUse (bytes) per call 127 127 0 0.0%
Excl. MemUse (bytes)4,816 4,816 0 0.0%
Incl. PeakMemUse (bytes)632 632 0 0.0%
Incl. PeakMemUse (bytes) per call 9 9 0 0.0%
Excl. PeakMemUse (bytes)632 632 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% -14 -0.6% -9 -1.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-14 -100.0% -5 -55.6% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -14 -100.0% -9 -100.0% 0 N/A% 0 N/A%
Child functions
mb_substr0 N/A% 1 7.1% 2 22.2% 0 N/A% 0 N/A%
Drupal\Component\Utility\Unicode::getStatus0 N/A% -1 -7.1% -6 -66.7% 0 N/A% 0 N/A%