Diff Report
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e633ddef65: 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 #519e62c02d767Run #519e633ddef65DiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)1,465 1,486 21 1.4%
Incl. Wall Time (microsec) per call 105 106 2 1.4%
Excl. Wall Time (microsec)118 117 -1 -0.8%
Incl. CPU (microsecs)1,483 1,499 16 1.1%
Incl. CPU (microsecs) per call 106 107 1 1.1%
Excl. CPU (microsec)111 110 -1 -0.9%
Incl. MemUse (bytes)53,520 53,520 0 0.0%
Incl. MemUse (bytes) per call 3,823 3,823 0 0.0%
Excl. MemUse (bytes)4,128 4,128 0 0.0%
Incl. PeakMemUse (bytes)70,728 70,728 0 0.0%
Incl. PeakMemUse (bytes) per call 5,052 5,052 0 0.0%
Excl. PeakMemUse (bytes)5,104 5,104 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% 21 5.3% 16 2.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -4.8% -1 -6.2% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Query\Select::execute0 N/A% 31 147.6% 31 193.8% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::execute0 N/A% -10 -47.6% -12 -75.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__toString0 N/A% 0 0.0% -3 -18.8% 0 N/A% 0 N/A%
Child functions
drupal_alter0 N/A% 30 142.9% 28 175.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% -8 -38.1% -9 -56.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::preExecute@10 N/A% 0 0.0% -2 -12.5% 0 N/A% 0 N/A%