Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206aca7ae8: 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 #539205a48c548Run #539206aca7ae8DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)157 148 -9 -5.7%
Incl. Wall Time (microsec) per call 157 148 -9 -5.7%
Excl. Wall Time (microsec)27 24 -3 -11.1%
Incl. CPU (microsecs)158 152 -6 -3.8%
Incl. CPU (microsecs) per call 158 152 -6 -3.8%
Excl. CPU (microsec)19 22 3 15.8%
Incl. MemUse (bytes)2,660 2,596 -64 -2.4%
Incl. MemUse (bytes) per call 2,660 2,596 -64 -2.4%
Excl. MemUse (bytes)968 968 0 0.0%
Incl. PeakMemUse (bytes)3,540 3,404 -136 -3.8%
Incl. PeakMemUse (bytes) per call 3,540 3,404 -136 -3.8%
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% -9 -0.2% -6 -0.2% -64 -0.1% -136 -0.1%
Exclusive Metrics Diff for Current Function-3 -33.3% 3 50.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Query\Select::preExecute0 N/A% -9 -100.0% -6 -100.0% -64 -100.0% -136 -100.0%
Child functions
Drupal\Core\Extension\ModuleHandler::alter@10 N/A% -6 -66.7% -6 -100.0% -64 -100.0% -136 -100.0%
Drupal::moduleHandler0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 0 0.0% -3 -50.0% 0 0.0% 0 0.0%