Diff Report
Run #519d4d6ecb28c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4cd4e396d: 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 #519d4d6ecb28cRun #519d4cd4e396dDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)2,160 2,158 -2 -0.1%
Incl. Wall Time (microsec) per call 154 154 -0 -0.1%
Excl. Wall Time (microsec)237 280 43 18.1%
Incl. CPU (microsecs)2,180 2,181 1 0.0%
Incl. CPU (microsecs) per call 156 156 0 0.0%
Excl. CPU (microsec)229 273 44 19.2%
Incl. MemUse (bytes)29,292 29,292 0 0.0%
Incl. MemUse (bytes) per call 2,092 2,092 0 0.0%
Excl. MemUse (bytes)2,236 2,236 0 0.0%
Incl. PeakMemUse (bytes)38,620 38,620 0 0.0%
Incl. PeakMemUse (bytes) per call 2,759 2,759 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% -2 -0.3% 1 0.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function43 2150.0% 44 4400.0% 0 N/A% 0 N/A%
Parent functions
Drupal\views\Plugin\views\query\Sql::execute0 N/A% -29 -1450.0% -29 -2900.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% 27 1350.0% 28 2800.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__toString0 N/A% 0 0.0% 2 200.0% 0 N/A% 0 N/A%
Child functions
drupal_alter0 N/A% -40 -2000.0% -42 -4200.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% -6 -300.0% -1 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::preExecute@10 N/A% 1 50.0% 0 0.0% 0 N/A% 0 N/A%