Diff Report
Run #52f5c520502f0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c574bebaf: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #52f5c520502f0Run #52f5c574bebafDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)69 70 1 1.4%
Incl. Wall Time (microsec) per call 5 5 0 1.4%
Excl. Wall Time (microsec)63 65 2 3.2%
Incl. CPU (microsecs)80 82 2 2.5%
Incl. CPU (microsecs) per call 6 6 0 2.5%
Excl. CPU (microsec)44 48 4 9.1%
Incl. MemUse (bytes)4,288 4,288 0 0.0%
Incl. MemUse (bytes) per call 306 306 0 0.0%
Excl. MemUse (bytes)2,224 2,224 0 0.0%
Incl. PeakMemUse (bytes)2,184 1,424 -760 -34.8%
Incl. PeakMemUse (bytes) per call 156 102 -54 -34.8%
Excl. PeakMemUse (bytes)1,336 1,000 -336 -25.1%

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% 1 4.3% 2 2.2% 0 0.0% -760 -1.7%
Exclusive Metrics Diff for Current Function2 200.0% 4 200.0% 0 N/A% -336 -44.2%
Parent function
drupal_substr0 N/A% 1 100.0% 2 100.0% 0 N/A% -760 -100.0%
Child functions
mb_substr0 N/A% -1 -100.0% -2 -100.0% 0 N/A% -136 -17.9%
Drupal\Component\Utility\Unicode::getStatus0 N/A% 0 0.0% 0 0.0% 0 N/A% -288 -37.9%