Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad972c8c0d: 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 #534ad972c8c0dDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)6,975 6,511 -464 -6.7%
Incl. Wall Time (microsec) per call 2,325 2,170 -155 -6.7%
Excl. Wall Time (microsec)195 179 -16 -8.2%
Incl. CPU (microsecs)3,378 3,311 -67 -2.0%
Incl. CPU (microsecs) per call 1,126 1,104 -22 -2.0%
Excl. CPU (microsec)154 136 -18 -11.7%
Incl. MemUse (bytes)45,172 45,172 0 0.0%
Incl. MemUse (bytes) per call 15,057 15,057 0 0.0%
Excl. MemUse (bytes)-16,208 -16,208 0 0.0%
Incl. PeakMemUse (bytes)133,376 133,376 0 0.0%
Incl. PeakMemUse (bytes) per call 44,459 44,459 0 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% -464 -31.9% -67 -11.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-16 -3.4% -18 -26.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -464 -100.0% -67 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::execute0 N/A% -245 -52.8% -26 -38.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::execute0 N/A% -176 -37.9% 3 4.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% -20 -4.3% -17 -25.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchField0 N/A% -8 -1.7% -9 -13.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 1 0.2% 2 3.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::condition0 N/A% 0 0.0% -1 -1.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::condition0 N/A% 0 0.0% -1 -1.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::fields0 N/A% 0 0.0% 2 3.0% 0 N/A% 0 N/A%
count0 N/A% 0 0.0% -2 -3.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%