Diff Report
Run #519fbb3f5c2a0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbca569199: 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 #519fbb3f5c2a0Run #519fbca569199DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)1,027 996 -31 -3.0%
Incl. Wall Time (microsec) per call 86 83 -3 -3.0%
Excl. Wall Time (microsec)106 103 -3 -2.8%
Incl. CPU (microsecs)1,043 1,007 -36 -3.5%
Incl. CPU (microsecs) per call 87 84 -3 -3.5%
Excl. CPU (microsec)107 98 -9 -8.4%
Incl. MemUse (bytes)52,600 52,600 0 0.0%
Incl. MemUse (bytes) per call 4,383 4,383 0 0.0%
Excl. MemUse (bytes)4,080 4,080 0 0.0%
Incl. PeakMemUse (bytes)57,736 57,736 0 0.0%
Incl. PeakMemUse (bytes) per call 4,811 4,811 0 0.0%
Excl. PeakMemUse (bytes)5,528 5,528 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% -31 -4.9% -36 -12.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -9.7% -9 -25.0% 0 N/A% 0 N/A%
Parent functions
Drupal\views\Plugin\views\query\Sql::execute0 N/A% -23 -74.2% -23 -63.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% -8 -25.8% -10 -27.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__toString0 N/A% 0 0.0% -3 -8.3% 0 N/A% 0 N/A%
Child functions
drupal_alter0 N/A% -19 -61.3% -21 -58.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% -8 -25.8% -6 -16.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::preExecute@10 N/A% -1 -3.2% 0 0.0% 0 N/A% 0 N/A%