Diff Report
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: 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 #51ec491641923Run #51ec485525502DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,449 1,512 63 4.3%
Incl. Wall Time (microsec) per call 1,449 1,512 63 4.3%
Excl. Wall Time (microsec)61 55 -6 -9.8%
Incl. CPU (microsecs)873 852 -21 -2.4%
Incl. CPU (microsecs) per call 873 852 -21 -2.4%
Excl. CPU (microsec)45 39 -6 -13.3%
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)66,144 66,144 0 0.0%
Incl. PeakMemUse (bytes) per call 66,144 66,144 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% 63 4.1% -21 -1.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-6 -9.5% -6 -28.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 63 100.0% -21 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Update::execute0 N/A% 82 130.2% -11 -52.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% -13 -20.6% -3 -14.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% 1 1.6% -1 -4.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% -1 -1.6% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::fields0 N/A% 0 0.0% 1 4.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::condition0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchField0 N/A% 0 0.0% -2 -9.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
count0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::condition0 N/A% 0 0.0% 1 4.8% 0 N/A% 0 N/A%