Diff Report
Run #5391fcf6ab927: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::preExecute@1

Drupal\Core\Database\Query\Select::preExecute@1Run #5391fcf6ab927Run #5391fc871e91dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)156 152 -4 -2.6%
Incl. Wall Time (microsec) per call 156 152 -4 -2.6%
Excl. Wall Time (microsec)24 25 1 4.2%
Incl. CPU (microsecs)159 154 -5 -3.1%
Incl. CPU (microsecs) per call 159 154 -5 -3.1%
Excl. CPU (microsec)23 20 -3 -13.0%
Incl. MemUse (bytes)2,596 2,596 0 0.0%
Incl. MemUse (bytes) per call 2,596 2,596 0 0.0%
Excl. MemUse (bytes)968 968 0 0.0%
Incl. PeakMemUse (bytes)3,492 3,492 0 0.0%
Incl. PeakMemUse (bytes) per call 3,492 3,492 0 0.0%
Excl. PeakMemUse (bytes)1,300 1,300 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Select::preExecute@1 [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::preExecute@10 N/A% -4 -0.2% -5 -0.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 25.0% -3 -60.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Query\Select::preExecute0 N/A% -4 -100.0% -5 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Extension\ModuleHandler::alter@10 N/A% -4 -100.0% -3 -60.0% 0 N/A% 0 N/A%
Drupal::moduleHandler0 N/A% -1 -25.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 0 0.0% 1 20.0% 0 N/A% 0 N/A%