Diff Report
Run #51af435181b2e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::fields

Drupal\Core\Database\Query\Select::fieldsRun #51af435181b2eRun #51af3d98520b7DiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)422 430 8 1.9%
Incl. Wall Time (microsec) per call 106 108 2 1.9%
Excl. Wall Time (microsec)190 186 -4 -2.1%
Incl. CPU (microsecs)428 434 6 1.4%
Incl. CPU (microsecs) per call 107 109 2 1.4%
Excl. CPU (microsec)139 134 -5 -3.6%
Incl. MemUse (bytes)46,592 46,576 -16 -0.0%
Incl. MemUse (bytes) per call 11,648 11,644 -4 -0.0%
Excl. MemUse (bytes)2,920 2,920 0 0.0%
Incl. PeakMemUse (bytes)30,448 30,440 -8 -0.0%
Incl. PeakMemUse (bytes) per call 7,612 7,610 -2 -0.0%
Excl. PeakMemUse (bytes)1,952 1,952 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Select::fields [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\Database\Query\Select::fields0 N/A% 8 1.0% 6 0.6% -16 -0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function-4 -50.0% -5 -83.3% 0 0.0% 0 0.0%
Parent functions
Drupal\menu_link\MenuLinkStorageController::buildQuery0 N/A% 10 125.0% 10 166.7% 0 0.0% 0 0.0%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -2 -25.0% -2 -33.3% -16 -100.0% -8 -100.0%
menu_local_tasks0 N/A% 0 0.0% -2 -33.3% 0 0.0% 0 0.0%
Child function
Drupal\Core\Database\Query\Select::addField0 N/A% 12 150.0% 11 183.3% -16 -100.0% -8 -100.0%