Diff Report
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec66a5a877d: 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 #51ec623000e0cRun #51ec66a5a877dDiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)2,060 2,042 -18 -0.9%
Incl. Wall Time (microsec) per call 158 157 -1 -0.9%
Excl. Wall Time (microsec)107 106 -1 -0.9%
Incl. CPU (microsecs)2,071 2,061 -10 -0.5%
Incl. CPU (microsecs) per call 159 159 -1 -0.5%
Excl. CPU (microsec)99 107 8 8.1%
Incl. MemUse (bytes)50,288 50,296 8 0.0%
Incl. MemUse (bytes) per call 3,868 3,869 1 0.0%
Excl. MemUse (bytes)3,056 3,056 0 0.0%
Incl. PeakMemUse (bytes)75,552 75,496 -56 -0.1%
Incl. PeakMemUse (bytes) per call 5,812 5,807 -4 -0.1%
Excl. PeakMemUse (bytes)4,056 4,056 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% -18 -0.8% -10 -0.3% 8 0.0% -56 -0.1%
Exclusive Metrics Diff for Current Function-1 -5.6% 8 80.0% 0 0.0% 0 0.0%
Parent functions
Drupal\views\Plugin\views\query\Sql::execute0 N/A% -10 -55.6% -7 -70.0% 8 100.0% -56 -100.0%
Drupal\Core\Database\Query\Select::execute0 N/A% -8 -44.4% -3 -30.0% 0 0.0% 0 0.0%
Child functions
drupal_alter0 N/A% -17 -94.4% -16 -160.0% 8 100.0% -56 -100.0%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 0 0.0% -2 -20.0% 0 0.0% 0 0.0%