Diff Report
Run #519c60f26cf68: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c619634b1e: 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 #519c60f26cf68Run #519c619634b1eDiffDiff%
Number of Function Calls18 18 0 0.0%
Incl. Wall Time (microsec)1,325 1,346 21 1.6%
Incl. Wall Time (microsec) per call 74 75 1 1.6%
Excl. Wall Time (microsec)658 663 5 0.8%
Incl. CPU (microsecs)1,352 1,372 20 1.5%
Incl. CPU (microsecs) per call 75 76 1 1.5%
Excl. CPU (microsec)516 537 21 4.1%
Incl. MemUse (bytes)56,332 56,332 0 0.0%
Incl. MemUse (bytes) per call 3,130 3,130 0 0.0%
Excl. MemUse (bytes)2,164 2,164 0 0.0%
Incl. PeakMemUse (bytes)20,948 20,948 0 0.0%
Incl. PeakMemUse (bytes) per call 1,164 1,164 0 0.0%
Excl. PeakMemUse (bytes)2,880 2,880 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% 21 1.1% 20 0.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 23.8% 21 105.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 21 100.0% 21 105.0% 0 N/A% 0 N/A%
menu_local_tasks0 N/A% -1 -4.8% -2 -10.0% 0 N/A% 0 N/A%
node_get_recent0 N/A% 1 4.8% 0 0.0% 0 N/A% 0 N/A%
Drupal\user\UserData::get0 N/A% 0 0.0% 1 5.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Query\Select::addField0 N/A% 16 76.2% -1 -5.0% 0 N/A% 0 N/A%