Diff Report
Run #51ec243650361: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Query\Select::preExecute

Drupal\Core\Database\Query\Select::preExecuteRun #51ec243650361Run #51ec227a9cea0DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)2,483 2,011 -472 -19.0%
Incl. Wall Time (microsec) per call 191 155 -36 -19.0%
Excl. Wall Time (microsec)117 105 -12 -10.3%
Incl. CPU (microsecs)2,500 2,028 -472 -18.9%
Incl. CPU (microsecs) per call 192 156 -36 -18.9%
Excl. CPU (microsec)115 101 -14 -12.2%
Incl. MemUse (bytes)50,288 50,288 0 0.0%
Incl. MemUse (bytes) per call 3,868 3,868 0 0.0%
Excl. MemUse (bytes)3,056 3,056 0 0.0%
Incl. PeakMemUse (bytes)75,480 75,768 288 0.4%
Incl. PeakMemUse (bytes) per call 5,806 5,828 22 0.4%
Excl. PeakMemUse (bytes)4,056 4,056 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% -472 -5.5% -472 -7.2% 0 0.0% 288 0.9%
Exclusive Metrics Diff for Current Function-12 -2.5% -14 -3.0% 0 N/A% 0 0.0%
Parent functions
Drupal\views\Plugin\views\query\Sql::execute0 N/A% -299 -63.3% -299 -63.3% 0 N/A% 288 100.0%
Drupal\Core\Database\Query\Select::execute0 N/A% -173 -36.7% -173 -36.7% 0 N/A% 0 0.0%
Child functions
drupal_alter0 N/A% -459 -97.2% -461 -97.7% 0 N/A% 288 100.0%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% -1 -0.2% 3 0.6% 0 N/A% 0 0.0%