Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45a7cd8f5: 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 #519d44ffb3845Run #519d45a7cd8f5DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)1,786 1,790 4 0.2%
Incl. Wall Time (microsec) per call 137 138 0 0.2%
Excl. Wall Time (microsec)235 235 0 0.0%
Incl. CPU (microsecs)1,809 1,807 -2 -0.1%
Incl. CPU (microsecs) per call 139 139 -0 -0.1%
Excl. CPU (microsec)229 225 -4 -1.7%
Incl. MemUse (bytes)22,392 22,392 0 0.0%
Incl. MemUse (bytes) per call 1,722 1,722 0 0.0%
Excl. MemUse (bytes)2,236 2,236 0 0.0%
Incl. PeakMemUse (bytes)33,836 33,836 0 0.0%
Incl. PeakMemUse (bytes) per call 2,603 2,603 0 0.0%
Excl. PeakMemUse (bytes)3,204 3,204 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% 4 0.2% -2 -0.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% -4 -200.0% 0 N/A% 0 N/A%
Parent functions
Drupal\views\Plugin\views\query\Sql::execute0 N/A% 5 125.0% 6 300.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% -1 -25.0% -9 -450.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__toString0 N/A% 0 0.0% 1 50.0% 0 N/A% 0 N/A%
Child functions
drupal_alter0 N/A% 4 100.0% 5 250.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::preExecute@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 0 0.0% -3 -150.0% 0 N/A% 0 N/A%