Diff Report
Run #519c146573182: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c116ac5313: 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 #519c146573182Run #519c116ac5313DiffDiff%
Number of Function Calls21 21 0 0.0%
Incl. Wall Time (microsec)2,290 2,308 18 0.8%
Incl. Wall Time (microsec) per call 109 110 1 0.8%
Excl. Wall Time (microsec)424 425 1 0.2%
Incl. CPU (microsecs)2,322 2,340 18 0.8%
Incl. CPU (microsecs) per call 111 111 1 0.8%
Excl. CPU (microsec)385 394 9 2.3%
Incl. MemUse (bytes)27,336 27,336 0 0.0%
Incl. MemUse (bytes) per call 1,302 1,302 0 0.0%
Excl. MemUse (bytes)1,852 1,852 0 0.0%
Incl. PeakMemUse (bytes)37,860 37,780 -80 -0.2%
Incl. PeakMemUse (bytes) per call 1,803 1,799 -4 -0.2%
Excl. PeakMemUse (bytes)3,664 3,528 -136 -3.7%

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% 18 0.0% 18 0.0% 0 0.0% -80 -0.0%
Exclusive Metrics Diff for Current Function1 5.6% 9 50.0% 0 N/A% -136 -170.0%
Parent functions
Drupal\Core\Database\Query\Select::execute0 N/A% 19 105.6% 20 111.1% 0 N/A% 0 0.0%
Drupal\views\Plugin\views\query\Sql::execute0 N/A% -1 -5.6% -2 -11.1% 0 N/A% -80 -100.0%
Child functions
drupal_alter0 N/A% 17 94.4% 11 61.1% 0 N/A% 56 70.0%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 0 0.0% -2 -11.1% 0 N/A% 0 0.0%