Diff Report
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49b394aea8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #52e49acfb0eb8Run #52e49b394aea8DiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)105 106 1 1.0%
Incl. Wall Time (microsec) per call 5 5 0 1.0%
Excl. Wall Time (microsec)87 96 9 10.3%
Incl. CPU (microsecs)119 123 4 3.4%
Incl. CPU (microsecs) per call 6 6 0 3.4%
Excl. CPU (microsec)66 67 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)1,800 1,216 -584 -32.4%
Incl. PeakMemUse (bytes) per call 90 61 -29 -32.4%
Excl. PeakMemUse (bytes)1,152 936 -216 -18.8%

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 Function9 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%