Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c1813b11: 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 #51ec3c1813b11DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,476 1,344 -132 -8.9%
Incl. Wall Time (microsec) per call 1,476 1,344 -132 -8.9%
Excl. Wall Time (microsec)55 55 0 0.0%
Incl. CPU (microsecs)900 872 -28 -3.1%
Incl. CPU (microsecs) per call 900 872 -28 -3.1%
Excl. CPU (microsec)42 40 -2 -4.8%
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)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% -132 -5.4% -28 -3.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% -2 -7.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -132 -100.0% -28 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::execute0 N/A% -118 -89.4% 1 3.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::execute0 N/A% -11 -8.3% -26 -92.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% -4 -3.0% -2 -7.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% 1 0.8% 2 7.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchField0 N/A% -1 -0.8% -1 -3.6% 0 N/A% 0 N/A%
count0 N/A% 1 0.8% 1 3.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::condition0 N/A% 0 0.0% -1 -3.6% 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\Query\Update::fields0 N/A% 0 0.0% 0 0.0% 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%