Diff Report
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Field\FieldItemBase::onChange

Drupal\Core\Field\FieldItemBase::onChangeRun #52e436ce9c71dRun #52e4374042aceDiffDiff%
Number of Function Calls16 16 0 0.0%
Incl. Wall Time (microsec)234 246 12 5.1%
Incl. Wall Time (microsec) per call 15 15 1 5.1%
Excl. Wall Time (microsec)49 59 10 20.4%
Incl. CPU (microsecs)251 262 11 4.4%
Incl. CPU (microsecs) per call 16 16 1 4.4%
Excl. CPU (microsec)50 65 15 30.0%
Incl. MemUse (bytes)8,616 8,616 0 0.0%
Incl. MemUse (bytes) per call 539 539 0 0.0%
Excl. MemUse (bytes)3,040 3,040 0 0.0%
Incl. PeakMemUse (bytes)2,760 2,680 -80 -2.9%
Incl. PeakMemUse (bytes) per call 173 168 -5 -2.9%
Excl. PeakMemUse (bytes)1,168 1,088 -80 -6.8%

Parent/Child Regression/Improvement report for Drupal\Core\Field\FieldItemBase::onChange [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\Core\Field\FieldItemBase::onChange0 N/A% 12 1.0% 11 1.1% 0 0.0% -80 -0.1%
Exclusive Metrics Diff for Current Function10 83.3% 15 136.4% 0 N/A% -80 -100.0%
Parent functions
Drupal\Core\Field\FieldItemBase::set0 N/A% 9 75.0% 5 45.5% 0 N/A% -80 -100.0%
Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem::onChange0 N/A% 2 16.7% 4 36.4% 0 N/A% 0 0.0%
Drupal\Core\Field\Plugin\Field\FieldType\LanguageItem::onChange0 N/A% 1 8.3% 2 18.2% 0 N/A% 0 0.0%
Child function
Drupal\Core\TypedData\Plugin\DataType\ItemList::onChange0 N/A% 2 16.7% -4 -36.4% 0 N/A% 0 0.0%