Diff Report
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af430daedb2: 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 #51af3d98520b7Run #51af430daedb2DiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)430 419 -11 -2.6%
Incl. Wall Time (microsec) per call 108 105 -3 -2.6%
Excl. Wall Time (microsec)186 184 -2 -1.1%
Incl. CPU (microsecs)434 423 -11 -2.5%
Incl. CPU (microsecs) per call 109 106 -3 -2.5%
Excl. CPU (microsec)134 131 -3 -2.2%
Incl. MemUse (bytes)46,576 46,576 0 0.0%
Incl. MemUse (bytes) per call 11,644 11,644 0 0.0%
Excl. MemUse (bytes)2,920 2,920 0 0.0%
Incl. PeakMemUse (bytes)30,440 30,440 0 0.0%
Incl. PeakMemUse (bytes) per call 7,610 7,610 0 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% -11 -0.8% -11 -0.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -18.2% -3 -27.3% 0 N/A% 0 N/A%
Parent functions
Drupal\menu_link\MenuLinkStorageController::buildQuery0 N/A% -10 -90.9% -10 -90.9% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -1 -9.1% -1 -9.1% 0 N/A% 0 N/A%
menu_local_tasks0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Query\Select::addField0 N/A% -9 -81.8% -8 -72.7% 0 N/A% 0 N/A%