Diff Report
Run #52f5cbc19a0d8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\file\Plugin\Field\FieldType\FileItem::isEmpty

Drupal\file\Plugin\Field\FieldType\FileItem::isEmptyRun #52f5cbc19a0d8Run #52f5cb0964fa0DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)20 42 22 110.0%
Incl. Wall Time (microsec) per call 10 21 11 110.0%
Excl. Wall Time (microsec)8 31 23 287.5%
Incl. CPU (microsecs)24 45 21 87.5%
Incl. CPU (microsecs) per call 12 23 11 87.5%
Excl. CPU (microsec)11 9 -2 -18.2%
Incl. MemUse (bytes)4,008 4,008 0 0.0%
Incl. MemUse (bytes) per call 2,004 2,004 0 0.0%
Excl. MemUse (bytes)1,784 1,784 0 0.0%
Incl. PeakMemUse (bytes)2,544 2,544 0 0.0%
Incl. PeakMemUse (bytes) per call 1,272 1,272 0 0.0%
Excl. PeakMemUse (bytes)1,208 1,208 0 0.0%

Parent/Child Regression/Improvement report for Drupal\file\Plugin\Field\FieldType\FileItem::isEmpty [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\file\Plugin\Field\FieldType\FileItem::isEmpty0 N/A% 22 23.7% 21 10.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function23 104.5% -2 -9.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Field\FieldItemList::Drupal\Core\Field\{closure}0 N/A% 22 100.0% 21 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem::__isset0 N/A% -1 -4.5% 23 109.5% 0 N/A% 0 N/A%