Diff Report
Run #519eb7f35533b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7a1537f7: 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 #519eb7f35533bRun #519eb7a1537f7DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)2,138 2,177 39 1.8%
Incl. Wall Time (microsec) per call 164 167 3 1.8%
Excl. Wall Time (microsec)223 224 1 0.4%
Incl. CPU (microsecs)2,158 2,197 39 1.8%
Incl. CPU (microsecs) per call 166 169 3 1.8%
Excl. CPU (microsec)221 214 -7 -3.2%
Incl. MemUse (bytes)29,256 29,256 0 0.0%
Incl. MemUse (bytes) per call 2,250 2,250 0 0.0%
Excl. MemUse (bytes)2,208 2,208 0 0.0%
Incl. PeakMemUse (bytes)38,916 38,916 0 0.0%
Incl. PeakMemUse (bytes) per call 2,994 2,994 0 0.0%
Excl. PeakMemUse (bytes)2,776 2,776 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% 39 1.3% 39 2.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 2.6% -7 -17.9% 0 N/A% 0 N/A%
Parent functions
Drupal\views\Plugin\views\query\Sql::execute0 N/A% 39 100.0% 37 94.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__toString0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% 0 0.0% 2 5.1% 0 N/A% 0 N/A%
Child functions
drupal_alter0 N/A% 38 97.4% 41 105.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::preExecute@10 N/A% 1 2.6% 1 2.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% -1 -2.6% 4 10.3% 0 N/A% 0 N/A%