Diff Report
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7f35533b: 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 #519eb7a1537f7Run #519eb7f35533bDiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)2,177 2,138 -39 -1.8%
Incl. Wall Time (microsec) per call 167 164 -3 -1.8%
Excl. Wall Time (microsec)224 223 -1 -0.4%
Incl. CPU (microsecs)2,197 2,158 -39 -1.8%
Incl. CPU (microsecs) per call 169 166 -3 -1.8%
Excl. CPU (microsec)214 221 7 3.3%
Incl. MemUse (bytes)29,256 29,256 0 0.0%
Incl. MemUse (bytes) per call 2,250 2,250 0 0.0%
Excl. MemUse (bytes)2,208 2,208 0 0.0%
Incl. PeakMemUse (bytes)38,916 38,916 0 0.0%
Incl. PeakMemUse (bytes) per call 2,994 2,994 0 0.0%
Excl. PeakMemUse (bytes)2,776 2,776 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% -39 -1.3% -39 -2.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -2.6% 7 17.9% 0 N/A% 0 N/A%
Parent functions
Drupal\views\Plugin\views\query\Sql::execute0 N/A% -39 -100.0% -37 -94.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__toString0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% 0 0.0% -2 -5.1% 0 N/A% 0 N/A%
Child functions
drupal_alter0 N/A% -38 -97.4% -41 -105.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::preExecute@10 N/A% -1 -2.6% -1 -2.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 1 2.6% -4 -10.3% 0 N/A% 0 N/A%