Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62091f2c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #52f2e60305388Run #52f2e62091f2cDiffDiff%
Number of Function Calls100 100 0 0.0%
Incl. Wall Time (microsec)544 613 69 12.7%
Incl. Wall Time (microsec) per call 5 6 1 12.7%
Excl. Wall Time (microsec)428 461 33 7.7%
Incl. CPU (microsecs)620 664 44 7.1%
Incl. CPU (microsecs) per call 6 7 0 7.1%
Excl. CPU (microsec)356 363 7 2.0%
Incl. MemUse (bytes)11,200 11,200 0 0.0%
Incl. MemUse (bytes) per call 112 112 0 0.0%
Excl. MemUse (bytes)6,352 6,352 0 0.0%
Incl. PeakMemUse (bytes)3,280 3,280 0 0.0%
Incl. PeakMemUse (bytes) per call 33 33 0 0.0%
Excl. PeakMemUse (bytes)1,632 1,632 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::substr0 N/A% 69 4.9% 44 1.6% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function33 47.8% 7 15.9% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% 69 100.0% 44 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Unicode::getStatus0 N/A% 42 60.9% 14 31.8% 0 N/A% 0 N/A%
mb_substr0 N/A% -6 -8.7% 23 52.3% 0 N/A% 0 N/A%