Diff Report
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9d94433aa: 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 #519d9cf28420eRun #519d9d94433aaDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)1,721 1,768 47 2.7%
Incl. Wall Time (microsec) per call 123 126 3 2.7%
Excl. Wall Time (microsec)165 164 -1 -0.6%
Incl. CPU (microsecs)1,736 1,782 46 2.6%
Incl. CPU (microsecs) per call 124 127 3 2.6%
Excl. CPU (microsec)160 158 -2 -1.2%
Incl. MemUse (bytes)52,536 52,544 8 0.0%
Incl. MemUse (bytes) per call 3,753 3,753 1 0.0%
Excl. MemUse (bytes)3,936 3,936 0 0.0%
Incl. PeakMemUse (bytes)56,464 56,456 -8 -0.0%
Incl. PeakMemUse (bytes) per call 4,033 4,033 -1 -0.0%
Excl. PeakMemUse (bytes)4,672 4,672 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% 47 1.9% 46 4.9% 8 0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function-1 -2.1% -2 -4.3% 0 0.0% 0 0.0%
Parent functions
Drupal\views\Plugin\views\query\Sql::execute0 N/A% 23 48.9% 25 54.3% 8 100.0% -8 -100.0%
Drupal\Core\Database\Query\Select::execute0 N/A% 23 48.9% 21 45.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::__toString0 N/A% 1 2.1% 0 0.0% 0 0.0% 0 0.0%
Child functions
drupal_alter0 N/A% 44 93.6% 46 100.0% 8 100.0% -8 -100.0%
Drupal\Core\Database\Query\Select::preExecute@10 N/A% 2 4.3% 4 8.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 2 4.3% -2 -4.3% 0 0.0% 0 0.0%