Diff Report
Run #519c60f26cf68: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c619634b1e: 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 #519c60f26cf68Run #519c619634b1eDiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)2,404 2,425 21 0.9%
Incl. Wall Time (microsec) per call 120 121 1 0.9%
Excl. Wall Time (microsec)391 382 -9 -2.3%
Incl. CPU (microsecs)2,432 2,454 22 0.9%
Incl. CPU (microsecs) per call 122 123 1 0.9%
Excl. CPU (microsec)365 359 -6 -1.6%
Incl. MemUse (bytes)29,332 29,332 0 0.0%
Incl. MemUse (bytes) per call 1,467 1,467 0 0.0%
Excl. MemUse (bytes)2,432 2,432 0 0.0%
Incl. PeakMemUse (bytes)42,316 42,316 0 0.0%
Incl. PeakMemUse (bytes) per call 2,116 2,116 0 0.0%
Excl. PeakMemUse (bytes)3,984 3,984 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% 21 1.1% 22 0.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-9 -42.9% -6 -27.3% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Query\Select::execute0 N/A% 16 76.2% 15 68.2% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::execute0 N/A% 5 23.8% 6 27.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__toString0 N/A% 0 0.0% 1 4.5% 0 N/A% 0 N/A%
Child functions
drupal_alter0 N/A% 30 142.9% 28 127.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::preExecute@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%