Diff Report
Run #51ec5cfb002ea: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5ca916d7d: 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 #51ec5cfb002eaRun #51ec5ca916d7dDiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)1,936 2,004 68 3.5%
Incl. Wall Time (microsec) per call 161 167 6 3.5%
Excl. Wall Time (microsec)100 102 2 2.0%
Incl. CPU (microsecs)1,950 2,021 71 3.6%
Incl. CPU (microsecs) per call 163 168 6 3.6%
Excl. CPU (microsec)100 105 5 5.0%
Incl. MemUse (bytes)53,008 53,008 0 0.0%
Incl. MemUse (bytes) per call 4,417 4,417 0 0.0%
Excl. MemUse (bytes)4,080 4,080 0 0.0%
Incl. PeakMemUse (bytes)78,288 78,288 0 0.0%
Incl. PeakMemUse (bytes) per call 6,524 6,524 0 0.0%
Excl. PeakMemUse (bytes)4,584 4,584 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% 68 4.4% 71 72.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 2.9% 5 7.0% 0 N/A% 0 N/A%
Parent functions
Drupal\views\Plugin\views\query\Sql::execute0 N/A% 67 98.5% 66 93.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__toString0 N/A% 1 1.5% 2 2.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% 0 0.0% 3 4.2% 0 N/A% 0 N/A%
Child functions
drupal_alter0 N/A% 65 95.6% 64 90.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::preExecute@10 N/A% 1 1.5% 2 2.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%