Diff Report
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec66a5a877d: 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 #51ec66a5a877dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,535 1,495 -40 -2.6%
Incl. Wall Time (microsec) per call 1,535 1,495 -40 -2.6%
Excl. Wall Time (microsec)53 51 -2 -3.8%
Incl. CPU (microsecs)849 820 -29 -3.4%
Incl. CPU (microsecs) per call 849 820 -29 -3.4%
Excl. CPU (microsec)38 37 -1 -2.6%
Incl. MemUse (bytes)75,976 76,000 24 0.0%
Incl. MemUse (bytes) per call 75,976 76,000 24 0.0%
Excl. MemUse (bytes)-8,312 -8,312 0 0.0%
Incl. PeakMemUse (bytes)86,824 88,048 1,224 1.4%
Incl. PeakMemUse (bytes) per call 86,824 88,048 1,224 1.4%
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% -40 -1.7% -29 -0.8% 24 0.0% 1,224 1.7%
Exclusive Metrics Diff for Current Function-2 -5.0% -1 -3.4% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -40 -100.0% -29 -100.0% 24 100.0% 1,224 100.0%
Child functions
Drupal\Core\Database\Query\Select::execute0 N/A% -29 -72.5% -20 -69.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::select0 N/A% -4 -10.0% -4 -13.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Update::execute0 N/A% -4 -10.0% -1 -3.4% 0 0.0% 1,200 98.0%
Drupal\Core\Database\Connection::update0 N/A% -1 -2.5% -1 -3.4% 24 100.0% 24 2.0%
Drupal\Core\Database\Query\Select::condition0 N/A% -1 -2.5% -1 -3.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Update::condition0 N/A% 1 2.5% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Update::fields0 N/A% 0 0.0% -1 -3.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchField0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 0 0.0% 1 3.4% 0 0.0% 0 0.0%
count0 N/A% 0 0.0% -1 -3.4% 0 0.0% 0 0.0%