Diff Report
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: 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 #51ec66a5a877dRun #51ec623000e0cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,495 1,535 40 2.7%
Incl. Wall Time (microsec) per call 1,495 1,535 40 2.7%
Excl. Wall Time (microsec)51 53 2 3.9%
Incl. CPU (microsecs)820 849 29 3.5%
Incl. CPU (microsecs) per call 820 849 29 3.5%
Excl. CPU (microsec)37 38 1 2.7%
Incl. MemUse (bytes)76,000 75,976 -24 -0.0%
Incl. MemUse (bytes) per call 76,000 75,976 -24 -0.0%
Excl. MemUse (bytes)-8,312 -8,312 0 0.0%
Incl. PeakMemUse (bytes)88,048 86,824 -1,224 -1.4%
Incl. PeakMemUse (bytes) per call 88,048 86,824 -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 Function2 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%