Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4d6ecb28c: 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 #519d4cd4e396dRun #519d4d6ecb28cDiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)365 363 -2 -0.5%
Incl. Wall Time (microsec) per call 61 61 -0 -0.5%
Excl. Wall Time (microsec)173 172 -1 -0.6%
Incl. CPU (microsecs)376 375 -1 -0.3%
Incl. CPU (microsecs) per call 63 63 -0 -0.3%
Excl. CPU (microsec)148 142 -6 -4.1%
Incl. MemUse (bytes)17,012 17,012 0 0.0%
Incl. MemUse (bytes) per call 2,835 2,835 0 0.0%
Excl. MemUse (bytes)1,724 1,724 0 0.0%
Incl. PeakMemUse (bytes)10,588 10,588 0 0.0%
Incl. PeakMemUse (bytes) per call 1,765 1,765 0 0.0%
Excl. PeakMemUse (bytes)1,656 1,656 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% -2 -0.3% -1 -0.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -50.0% -6 -600.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -2 -100.0% -1 -100.0% 0 N/A% 0 N/A%
menu_local_tasks0 N/A% 0 0.0% -1 -100.0% 0 N/A% 0 N/A%
Drupal\user\UserData::get0 N/A% 0 0.0% 1 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Query\Select::addField0 N/A% -1 -50.0% 5 500.0% 0 N/A% 0 N/A%