Diff Report
Run #519eadc55e057: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ead70538d1: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::preExecute

Drupal\Core\Database\Query\Select::preExecuteRun #519eadc55e057Run #519ead70538d1DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)2,086 2,087 1 0.0%
Incl. Wall Time (microsec) per call 160 161 0 0.0%
Excl. Wall Time (microsec)212 214 2 0.9%
Incl. CPU (microsecs)2,105 2,106 1 0.0%
Incl. CPU (microsecs) per call 162 162 0 0.0%
Excl. CPU (microsec)195 199 4 2.1%
Incl. MemUse (bytes)29,256 29,256 0 0.0%
Incl. MemUse (bytes) per call 2,250 2,250 0 0.0%
Excl. MemUse (bytes)2,208 2,208 0 0.0%
Incl. PeakMemUse (bytes)38,916 38,916 0 0.0%
Incl. PeakMemUse (bytes) per call 2,994 2,994 0 0.0%
Excl. PeakMemUse (bytes)2,776 2,776 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Select::preExecute [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::preExecute0 N/A% 1 0.1% 1 0.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 200.0% 4 400.0% 0 N/A% 0 N/A%
Parent functions
Drupal\views\Plugin\views\query\Sql::execute0 N/A% 5 500.0% 5 500.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% -4 -400.0% -5 -500.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__toString0 N/A% 0 0.0% 1 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::isPrepared0 N/A% -1 -100.0% -2 -200.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::preExecute@10 N/A% 0 0.0% 1 100.0% 0 N/A% 0 N/A%
drupal_alter0 N/A% 0 0.0% -2 -200.0% 0 N/A% 0 N/A%