Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: 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 #51ec517fc2424Run #51ec52a09990aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,486 1,559 73 4.9%
Incl. Wall Time (microsec) per call 1,486 1,559 73 4.9%
Excl. Wall Time (microsec)59 55 -4 -6.8%
Incl. CPU (microsecs)888 891 3 0.3%
Incl. CPU (microsecs) per call 888 891 3 0.3%
Excl. CPU (microsec)36 37 1 2.8%
Incl. MemUse (bytes)75,952 75,952 0 0.0%
Incl. MemUse (bytes) per call 75,952 75,952 0 0.0%
Excl. MemUse (bytes)-8,288 -8,288 0 0.0%
Incl. PeakMemUse (bytes)68,064 66,288 -1,776 -2.6%
Incl. PeakMemUse (bytes) per call 68,064 66,288 -1,776 -2.6%
Excl. PeakMemUse (bytes)3,240 3,224 -16 -0.5%

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% 73 1.8% 3 0.1% 0 0.0% -1,776 -7.7%
Exclusive Metrics Diff for Current Function-4 -5.5% 1 33.3% 0 N/A% -16 -0.9%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 73 100.0% 3 100.0% 0 N/A% -1,776 -100.0%
Child functions
Drupal\Core\Database\Query\Select::execute0 N/A% 139 190.4% 3 100.0% 0 N/A% -72 -4.1%
Drupal\Core\Database\Query\Update::execute0 N/A% -51 -69.9% 14 466.7% 0 N/A% -1,688 -95.0%
Drupal\Core\Database\Connection::select0 N/A% -9 -12.3% -9 -300.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Update::condition0 N/A% -2 -2.7% 0 0.0% 0 N/A% 0 0.0%
count0 N/A% -1 -1.4% -4 -133.3% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::update0 N/A% 1 1.4% 1 33.3% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Update::fields0 N/A% 0 0.0% -1 -33.3% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchField0 N/A% 0 0.0% -1 -33.3% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::condition0 N/A% 0 0.0% -3 -100.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 0 0.0% 2 66.7% 0 N/A% 0 0.0%