Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec491641923: 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 #51ec485525502Run #51ec491641923DiffDiff%
Number of Function Calls21 21 0 0.0%
Incl. Wall Time (microsec)2,506 2,582 76 3.0%
Incl. Wall Time (microsec) per call 119 123 4 3.0%
Excl. Wall Time (microsec)173 171 -2 -1.2%
Incl. CPU (microsecs)2,520 2,597 77 3.1%
Incl. CPU (microsecs) per call 120 124 4 3.1%
Excl. CPU (microsec)159 166 7 4.4%
Incl. MemUse (bytes)49,416 49,416 0 0.0%
Incl. MemUse (bytes) per call 2,353 2,353 0 0.0%
Excl. MemUse (bytes)3,440 3,440 0 0.0%
Incl. PeakMemUse (bytes)94,960 95,664 704 0.7%
Incl. PeakMemUse (bytes) per call 4,522 4,555 34 0.7%
Excl. PeakMemUse (bytes)6,520 6,744 224 3.4%

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% 76 4.9% 77 4.4% 0 0.0% 704 0.5%
Exclusive Metrics Diff for Current Function-2 -2.6% 7 9.1% 0 N/A% 224 31.8%
Parent functions
Drupal\views\Plugin\views\query\Sql::execute0 N/A% 40 52.6% 41 53.2% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 N/A% 36 47.4% 36 46.8% 0 N/A% 704 100.0%
Child functions
drupal_alter0 N/A% 78 102.6% 75 97.4% 0 N/A% 480 68.2%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 0 0.0% -5 -6.5% 0 N/A% 0 0.0%