Diff Report
Run #519eb880e5974: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7a1537f7: 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 #519eb880e5974Run #519eb7a1537f7DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)2,155 2,177 22 1.0%
Incl. Wall Time (microsec) per call 166 167 2 1.0%
Excl. Wall Time (microsec)219 224 5 2.3%
Incl. CPU (microsecs)2,173 2,197 24 1.1%
Incl. CPU (microsecs) per call 167 169 2 1.1%
Excl. CPU (microsec)207 214 7 3.4%
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)38,960 38,916 -44 -0.1%
Incl. PeakMemUse (bytes) per call 2,997 2,994 -3 -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% 22 0.6% 24 23.3% 0 0.0% -44 -0.0%
Exclusive Metrics Diff for Current Function5 22.7% 7 29.2% 0 N/A% -136 -309.1%
Parent functions
Drupal\views\Plugin\views\query\Sql::execute0 N/A% 37 168.2% 35 145.8% 0 N/A% -36 -81.8%
Drupal\Core\Database\Query\Select::execute0 N/A% -15 -68.2% -13 -54.2% 0 N/A% -8 -18.2%
Drupal\Core\Database\Query\Select::__toString0 N/A% 0 0.0% 2 8.3% 0 N/A% 0 0.0%
Child functions
drupal_alter0 N/A% 17 77.3% 15 62.5% 0 N/A% 92 209.1%
Drupal\Core\Database\Query\Select::preExecute@10 N/A% 3 13.6% 5 20.8% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% -3 -13.6% -3 -12.5% 0 N/A% 0 0.0%