Diff Report
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d44ffb3845: 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 #519d45fd795a4Run #519d44ffb3845DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)1,924 1,786 -138 -7.2%
Incl. Wall Time (microsec) per call 148 137 -11 -7.2%
Excl. Wall Time (microsec)243 235 -8 -3.3%
Incl. CPU (microsecs)1,940 1,809 -131 -6.8%
Incl. CPU (microsecs) per call 149 139 -10 -6.8%
Excl. CPU (microsec)224 229 5 2.2%
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% -138 -0.2% -131 -0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-8 -5.8% 5 3.8% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Query\Select::execute0 N/A% -73 -52.9% -67 -51.1% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::execute0 N/A% -64 -46.4% -64 -48.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__toString0 N/A% -1 -0.7% 0 0.0% 0 N/A% 0 N/A%
Child functions
drupal_alter0 N/A% -130 -94.2% -134 -102.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::preExecute@10 N/A% -1 -0.7% -2 -1.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 1 0.7% 0 0.0% 0 N/A% 0 N/A%