Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c5ab9ae4: 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 #51ec3b81ad265Run #51ec3c5ab9ae4DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,476 1,570 94 6.4%
Incl. Wall Time (microsec) per call 1,476 1,570 94 6.4%
Excl. Wall Time (microsec)55 58 3 5.5%
Incl. CPU (microsecs)900 927 27 3.0%
Incl. CPU (microsecs) per call 900 927 27 3.0%
Excl. CPU (microsec)42 41 -1 -2.4%
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)66,856 66,856 0 0.0%
Incl. PeakMemUse (bytes) per call 66,856 66,856 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% 94 25.1% 27 2.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function3 3.2% -1 -3.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 94 100.0% 27 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Update::execute0 N/A% 75 79.8% 14 51.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% 11 11.7% 9 33.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% 8 8.5% 8 29.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% -7 -7.4% -6 -22.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::condition0 N/A% 4 4.3% 2 7.4% 0 N/A% 0 N/A%
count0 N/A% 1 1.1% 2 7.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::condition0 N/A% -1 -1.1% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchField0 N/A% 0 0.0% 1 3.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 0 0.0% -3 -11.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::fields0 N/A% 0 0.0% 1 3.7% 0 N/A% 0 N/A%