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\file\Plugin\Field\FieldType\FileItem::isEmpty

Drupal\file\Plugin\Field\FieldType\FileItem::isEmptyRun #52e436ce9c71dRun #52e4374042aceDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)22 19 -3 -13.6%
Incl. Wall Time (microsec) per call 11 10 -2 -13.6%
Excl. Wall Time (microsec)11 7 -4 -36.4%
Incl. CPU (microsecs)24 20 -4 -16.7%
Incl. CPU (microsecs) per call 12 10 -2 -16.7%
Excl. CPU (microsec)11 5 -6 -54.5%
Incl. MemUse (bytes)3,976 3,976 0 0.0%
Incl. MemUse (bytes) per call 1,988 1,988 0 0.0%
Excl. MemUse (bytes)1,752 1,752 0 0.0%
Incl. PeakMemUse (bytes)2,816 2,816 0 0.0%
Incl. PeakMemUse (bytes) per call 1,408 1,408 0 0.0%
Excl. PeakMemUse (bytes)1,000 1,000 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% -3 -0.3% -4 -0.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-4 -133.3% -6 -150.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Field\FieldItemList::Drupal\Core\Field\{closure}0 N/A% -3 -100.0% -4 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem::__isset0 N/A% 1 33.3% 2 50.0% 0 N/A% 0 N/A%