Diff Report
Run #519b1557bbc04: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b1ad213669: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #519b1557bbc04Run #519b1ad213669DiffDiff%
Number of Function Calls12 11 -1 -8.3%
Incl. Wall Time (microsec)188 168 -20 -10.6%
Incl. Wall Time (microsec) per call 16 15 -0 -2.5%
Excl. Wall Time (microsec)136 119 -17 -12.5%
Incl. CPU (microsecs)203 187 -16 -7.9%
Incl. CPU (microsecs) per call 17 17 0 0.5%
Excl. CPU (microsec)125 114 -11 -8.8%
Incl. MemUse (bytes)3,944 3,864 -80 -2.0%
Incl. MemUse (bytes) per call 329 351 23 6.9%
Excl. MemUse (bytes)1,944 1,896 -48 -2.5%
Incl. PeakMemUse (bytes)3,032 3,032 0 0.0%
Incl. PeakMemUse (bytes) per call 253 276 23 9.1%
Excl. PeakMemUse (bytes)1,416 1,416 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::substr-1 -33.3% -20 -0.2% -16 -0.1% -80 -0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-17 -85.0% -11 -68.8% -48 -60.0% 0 N/A%
Parent function
drupal_substr-1 -100.0% -20 -100.0% -16 -100.0% -80 -100.0% 0 N/A%
Child functions
mb_substr-1 -50.0% -3 -15.0% 0 0.0% -32 -40.0% 0 N/A%
Drupal\Component\Utility\Unicode::getStatus-1 -50.0% 0 0.0% -5 -31.2% 0 0.0% 0 N/A%