Diff Report
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: 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 #51ec491641923Run #51ec485525502DiffDiff%
Number of Function Calls21 21 0 0.0%
Incl. Wall Time (microsec)2,582 2,506 -76 -2.9%
Incl. Wall Time (microsec) per call 123 119 -4 -2.9%
Excl. Wall Time (microsec)171 173 2 1.2%
Incl. CPU (microsecs)2,597 2,520 -77 -3.0%
Incl. CPU (microsecs) per call 124 120 -4 -3.0%
Excl. CPU (microsec)166 159 -7 -4.2%
Incl. MemUse (bytes)49,416 49,416 0 0.0%
Incl. MemUse (bytes) per call 2,353 2,353 0 0.0%
Excl. MemUse (bytes)3,440 3,440 0 0.0%
Incl. PeakMemUse (bytes)95,664 94,960 -704 -0.7%
Incl. PeakMemUse (bytes) per call 4,555 4,522 -34 -0.7%
Excl. PeakMemUse (bytes)6,744 6,520 -224 -3.3%

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% -76 -4.9% -77 -4.4% 0 0.0% -704 -0.5%
Exclusive Metrics Diff for Current Function2 2.6% -7 -9.1% 0 N/A% -224 -31.8%
Parent functions
Drupal\views\Plugin\views\query\Sql::execute0 N/A% -40 -52.6% -41 -53.2% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 N/A% -36 -47.4% -36 -46.8% 0 N/A% -704 -100.0%
Child functions
drupal_alter0 N/A% -78 -102.6% -75 -97.4% 0 N/A% -480 -68.2%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 0 0.0% 5 6.5% 0 N/A% 0 0.0%