Diff Report
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff79b9e81a: 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 #519ff693b4ca2Run #519ff79b9e81aDiffDiff%
Number of Function Calls10 10 0 0.0%
Incl. Wall Time (microsec)1,170 1,189 19 1.6%
Incl. Wall Time (microsec) per call 117 119 2 1.6%
Excl. Wall Time (microsec)148 147 -1 -0.7%
Incl. CPU (microsecs)1,183 1,204 21 1.8%
Incl. CPU (microsecs) per call 118 120 2 1.8%
Excl. CPU (microsec)136 138 2 1.5%
Incl. MemUse (bytes)29,136 29,136 0 0.0%
Incl. MemUse (bytes) per call 2,914 2,914 0 0.0%
Excl. MemUse (bytes)3,208 3,208 0 0.0%
Incl. PeakMemUse (bytes)47,800 47,800 0 0.0%
Incl. PeakMemUse (bytes) per call 4,780 4,780 0 0.0%
Excl. PeakMemUse (bytes)4,568 4,568 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% 19 3.4% 21 3.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -5.3% 2 9.5% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Query\Select::execute0 N/A% 22 115.8% 23 109.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\SelectExtender::preExecute0 N/A% -3 -15.8% -2 -9.5% 0 N/A% 0 N/A%
Child functions
drupal_alter0 N/A% 22 115.8% 22 104.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\SelectExtender::isPrepared0 N/A% -1 -5.3% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% -1 -5.3% -3 -14.3% 0 N/A% 0 N/A%