Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec51f5849d9: 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 #51ec517fc2424Run #51ec51f5849d9DiffDiff%
Number of Function Calls18 18 0 0.0%
Incl. Wall Time (microsec)1,474 1,510 36 2.4%
Incl. Wall Time (microsec) per call 82 84 2 2.4%
Excl. Wall Time (microsec)154 153 -1 -0.6%
Incl. CPU (microsecs)1,490 1,536 46 3.1%
Incl. CPU (microsecs) per call 83 85 3 3.1%
Excl. CPU (microsec)153 158 5 3.3%
Incl. MemUse (bytes)39,544 39,544 0 0.0%
Incl. MemUse (bytes) per call 2,197 2,197 0 0.0%
Excl. MemUse (bytes)3,296 3,296 0 0.0%
Incl. PeakMemUse (bytes)54,656 54,656 0 0.0%
Incl. PeakMemUse (bytes) per call 3,036 3,036 0 0.0%
Excl. PeakMemUse (bytes)5,688 5,688 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% 36 1.2% 46 1.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -2.8% 5 10.9% 0 N/A% 0 N/A%
Parent functions
Drupal\views\Plugin\views\query\Sql::execute0 N/A% 21 58.3% 19 41.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% 15 41.7% 27 58.7% 0 N/A% 0 N/A%
Child functions
drupal_alter0 N/A% 37 102.8% 39 84.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 0 0.0% 2 4.3% 0 N/A% 0 N/A%