Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45fd795a4: 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 #519d45fd795a4DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)1,786 1,924 138 7.7%
Incl. Wall Time (microsec) per call 137 148 11 7.7%
Excl. Wall Time (microsec)235 243 8 3.4%
Incl. CPU (microsecs)1,809 1,940 131 7.2%
Incl. CPU (microsecs) per call 139 149 10 7.2%
Excl. CPU (microsec)229 224 -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 Function8 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%