Diff Report
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff7de62889: 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 #519ff7de62889DiffDiff%
Number of Function Calls10 10 0 0.0%
Incl. Wall Time (microsec)1,170 1,163 -7 -0.6%
Incl. Wall Time (microsec) per call 117 116 -1 -0.6%
Excl. Wall Time (microsec)148 142 -6 -4.1%
Incl. CPU (microsecs)1,183 1,174 -9 -0.8%
Incl. CPU (microsecs) per call 118 117 -1 -0.8%
Excl. CPU (microsec)136 128 -8 -5.9%
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% -7 -0.6% -9 -0.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-6 -85.7% -8 -88.9% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Query\SelectExtender::preExecute0 N/A% -4 -57.1% -4 -44.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% -3 -42.9% -5 -55.6% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\SelectExtender::isPrepared0 N/A% -1 -14.3% 0 0.0% 0 N/A% 0 N/A%
drupal_alter0 N/A% 1 14.3% 2 22.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% -1 -14.3% -3 -33.3% 0 N/A% 0 N/A%