Diff Report
Run #519bea9000214: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519be9a13e594: 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 #519bea9000214Run #519be9a13e594DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)1,486 1,460 -26 -1.7%
Incl. Wall Time (microsec) per call 165 162 -3 -1.7%
Excl. Wall Time (microsec)159 153 -6 -3.8%
Incl. CPU (microsecs)1,505 1,478 -27 -1.8%
Incl. CPU (microsecs) per call 167 164 -3 -1.8%
Excl. CPU (microsec)157 150 -7 -4.5%
Incl. MemUse (bytes)28,716 28,716 0 0.0%
Incl. MemUse (bytes) per call 3,191 3,191 0 0.0%
Excl. MemUse (bytes)2,124 2,124 0 0.0%
Incl. PeakMemUse (bytes)37,352 37,316 -36 -0.1%
Incl. PeakMemUse (bytes) per call 4,150 4,146 -4 -0.1%
Excl. PeakMemUse (bytes)2,912 2,776 -136 -4.7%

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% -26 -0.7% -27 -1.2% 0 0.0% -36 -0.1%
Exclusive Metrics Diff for Current Function-6 -23.1% -7 -25.9% 0 N/A% -136 -377.8%
Parent functions
Drupal\Core\Database\Query\Select::execute0 N/A% -25 -96.2% -24 -88.9% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::__toString0 N/A% -1 -3.8% -2 -7.4% 0 N/A% 0 0.0%
Drupal\views\Plugin\views\query\Sql::execute0 N/A% 0 0.0% -1 -3.7% 0 N/A% -36 -100.0%
Child functions
drupal_alter0 N/A% -19 -73.1% -17 -63.0% 0 N/A% 100 277.8%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% -1 -3.8% -1 -3.7% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::preExecute@10 N/A% 0 0.0% -2 -7.4% 0 N/A% 0 0.0%