Diff Report
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec6582d0962: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Merge::execute

Drupal\Core\Database\Query\Merge::executeRun #51ec623000e0cRun #51ec6582d0962DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,535 1,614 79 5.1%
Incl. Wall Time (microsec) per call 1,535 1,614 79 5.1%
Excl. Wall Time (microsec)53 61 8 15.1%
Incl. CPU (microsecs)849 899 50 5.9%
Incl. CPU (microsecs) per call 849 899 50 5.9%
Excl. CPU (microsec)38 47 9 23.7%
Incl. MemUse (bytes)75,976 75,976 0 0.0%
Incl. MemUse (bytes) per call 75,976 75,976 0 0.0%
Excl. MemUse (bytes)-8,312 -8,312 0 0.0%
Incl. PeakMemUse (bytes)86,824 86,824 0 0.0%
Incl. PeakMemUse (bytes) per call 86,824 86,824 0 0.0%
Excl. PeakMemUse (bytes)3,224 3,224 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Merge::execute [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\Merge::execute0 N/A% 79 3.1% 50 4.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function8 10.1% 9 18.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 79 100.0% 50 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Update::execute0 N/A% 38 48.1% 34 68.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% 23 29.1% -2 -4.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% 14 17.7% 14 28.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% -5 -6.3% -5 -10.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::condition0 N/A% 2 2.5% 2 4.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchField0 N/A% 1 1.3% 0 0.0% 0 N/A% 0 N/A%
count0 N/A% -1 -1.3% -2 -4.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::condition0 N/A% -1 -1.3% -1 -2.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 0 0.0% 1 2.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::fields0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%