Diff Report
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #539201f8938f4Run #5392041970f3fDiffDiff%
Number of Function Calls3 4 1 33.3%
Incl. Wall Time (microsec)36 49 13 36.1%
Incl. Wall Time (microsec) per call 12 12 0 2.1%
Excl. Wall Time (microsec)27 37 10 37.0%
Incl. CPU (microsecs)39 56 17 43.6%
Incl. CPU (microsecs) per call 13 14 1 7.7%
Excl. CPU (microsec)20 36 16 80.0%
Incl. MemUse (bytes)1,904 1,952 48 2.5%
Incl. MemUse (bytes) per call 635 488 -147 -23.1%
Excl. MemUse (bytes)924 952 28 3.0%
Incl. PeakMemUse (bytes)1,632 1,592 -40 -2.5%
Incl. PeakMemUse (bytes) per call 544 398 -146 -26.8%
Excl. PeakMemUse (bytes)868 780 -88 -10.1%

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::substr1 33.3% 13 0.9% 17 0.6% 48 0.1% -40 -0.1%
Exclusive Metrics Diff for Current Function10 76.9% 16 94.1% 28 58.3% -88 -220.0%
Parent function
drupal_substr1 100.0% 13 100.0% 17 100.0% 48 100.0% -40 -100.0%
Child functions
mb_substr1 50.0% 2 15.4% -3 -17.6% 20 41.7% 0 0.0%
Drupal\Component\Utility\Unicode::getStatus1 50.0% 1 7.7% 4 23.5% 0 0.0% 48 120.0%