Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8e1e5eca: 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 #519fe7ae1f6ccRun #519fe8e1e5ecaDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)525 515 -10 -1.9%
Incl. Wall Time (microsec) per call 75 74 -1 -1.9%
Excl. Wall Time (microsec)110 99 -11 -10.0%
Incl. CPU (microsecs)534 523 -11 -2.1%
Incl. CPU (microsecs) per call 76 75 -2 -2.1%
Excl. CPU (microsec)108 93 -15 -13.9%
Incl. MemUse (bytes)8,760 8,760 0 0.0%
Incl. MemUse (bytes) per call 1,251 1,251 0 0.0%
Excl. MemUse (bytes)1,936 1,936 0 0.0%
Incl. PeakMemUse (bytes)12,696 12,696 0 0.0%
Incl. PeakMemUse (bytes) per call 1,814 1,814 0 0.0%
Excl. PeakMemUse (bytes)3,344 3,344 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% -10 -3.6% -11 -4.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-11 -110.0% -15 -136.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Query\Select::execute0 N/A% -10 -100.0% -11 -100.0% 0 N/A% 0 N/A%
Child functions
drupal_alter0 N/A% 1 10.0% 1 9.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 0 0.0% 3 27.3% 0 N/A% 0 N/A%