Diff Report
Run #52e49b394aea8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49acfb0eb8: 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 #52e49b394aea8Run #52e49acfb0eb8DiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)106 105 -1 -0.9%
Incl. Wall Time (microsec) per call 5 5 -0 -0.9%
Excl. Wall Time (microsec)96 87 -9 -9.4%
Incl. CPU (microsecs)123 119 -4 -3.3%
Incl. CPU (microsecs) per call 6 6 -0 -3.3%
Excl. CPU (microsec)67 66 -1 -1.5%
Incl. MemUse (bytes)4,768 4,768 0 0.0%
Incl. MemUse (bytes) per call 238 238 0 0.0%
Excl. MemUse (bytes)2,512 2,512 0 0.0%
Incl. PeakMemUse (bytes)1,216 1,800 584 48.0%
Incl. PeakMemUse (bytes) per call 61 90 29 48.0%
Excl. PeakMemUse (bytes)936 1,152 216 23.1%

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 -0.1% -4 -0.5% 0 0.0% 584 2.2%
Exclusive Metrics Diff for Current Function-9 -900.0% -1 -25.0% 0 N/A% 216 37.0%
Parent function
drupal_substr0 N/A% -1 -100.0% -4 -100.0% 0 N/A% 584 100.0%
Child functions
mb_substr0 N/A% 7 700.0% -1 -25.0% 0 N/A% 368 63.0%
Drupal\Component\Utility\Unicode::getStatus0 N/A% 1 100.0% -2 -50.0% 0 N/A% 0 0.0%