Diff Report
Run #51ec51f5849d9: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #51ec51f5849d9Run #51ec517fc2424DiffDiff%
Number of Function Calls71 71 0 0.0%
Incl. Wall Time (microsec)393 381 -12 -3.1%
Incl. Wall Time (microsec) per call 6 5 -0 -3.1%
Excl. Wall Time (microsec)275 269 -6 -2.2%
Incl. CPU (microsecs)463 445 -18 -3.9%
Incl. CPU (microsecs) per call 7 6 -0 -3.9%
Excl. CPU (microsec)262 258 -4 -1.5%
Incl. MemUse (bytes)8,848 8,848 0 0.0%
Incl. MemUse (bytes) per call 125 125 0 0.0%
Excl. MemUse (bytes)4,960 4,960 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\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% -12 -0.4% -18 -0.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-6 -50.0% -4 -22.2% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -12 -100.0% -18 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% -5 -41.7% 1 5.6% 0 N/A% 0 N/A%
mb_substr0 N/A% -1 -8.3% -15 -83.3% 0 N/A% 0 N/A%