Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad9c94e95b: 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 #534ad8dec7444Run #534ad9c94e95bDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)6,975 6,768 -207 -3.0%
Incl. Wall Time (microsec) per call 2,325 2,256 -69 -3.0%
Excl. Wall Time (microsec)195 178 -17 -8.7%
Incl. CPU (microsecs)3,378 3,344 -34 -1.0%
Incl. CPU (microsecs) per call 1,126 1,115 -11 -1.0%
Excl. CPU (microsec)154 133 -21 -13.6%
Incl. MemUse (bytes)45,172 45,160 -12 -0.0%
Incl. MemUse (bytes) per call 15,057 15,053 -4 -0.0%
Excl. MemUse (bytes)-16,208 -16,208 0 0.0%
Incl. PeakMemUse (bytes)133,376 133,364 -12 -0.0%
Incl. PeakMemUse (bytes) per call 44,459 44,455 -4 -0.0%
Excl. PeakMemUse (bytes)1,684 1,684 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% -207 -12.6% -34 -6.8% -12 -0.1% -12 -0.0%
Exclusive Metrics Diff for Current Function-17 -8.2% -21 -61.8% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -207 -100.0% -34 -100.0% -12 -100.0% -12 -100.0%
Child functions
Drupal\Core\Database\Query\Select::execute0 N/A% -177 -85.5% -24 -70.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Update::execute0 N/A% -17 -8.2% 3 8.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchField0 N/A% -5 -2.4% -5 -14.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::select0 N/A% 3 1.4% 2 5.9% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Update::condition0 N/A% 3 1.4% 3 8.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 3 1.4% 5 14.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::condition0 N/A% 0 0.0% -1 -2.9% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::update0 N/A% 0 0.0% 3 8.8% -12 -100.0% -12 -100.0%
count0 N/A% 0 0.0% -1 -2.9% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Update::fields0 N/A% 0 0.0% 2 5.9% 0 0.0% 0 0.0%