Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4d6ecb28c: 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 #519d4cd4e396dRun #519d4d6ecb28cDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)2,158 2,160 2 0.1%
Incl. Wall Time (microsec) per call 154 154 0 0.1%
Excl. Wall Time (microsec)280 237 -43 -15.4%
Incl. CPU (microsecs)2,181 2,180 -1 -0.0%
Incl. CPU (microsecs) per call 156 156 -0 -0.0%
Excl. CPU (microsec)273 229 -44 -16.1%
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 Function-43 -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%