Diff Report
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519bea9000214: 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 #519be9a13e594Run #519bea9000214DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)1,460 1,486 26 1.8%
Incl. Wall Time (microsec) per call 162 165 3 1.8%
Excl. Wall Time (microsec)153 159 6 3.9%
Incl. CPU (microsecs)1,478 1,505 27 1.8%
Incl. CPU (microsecs) per call 164 167 3 1.8%
Excl. CPU (microsec)150 157 7 4.7%
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)37,316 37,352 36 0.1%
Incl. PeakMemUse (bytes) per call 4,146 4,150 4 0.1%
Excl. PeakMemUse (bytes)2,776 2,912 136 4.9%

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 Function6 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%