Diff Report
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: 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 #534ad9c94e95bRun #534ad8dec7444DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)6,768 6,975 207 3.1%
Incl. Wall Time (microsec) per call 2,256 2,325 69 3.1%
Excl. Wall Time (microsec)178 195 17 9.6%
Incl. CPU (microsecs)3,344 3,378 34 1.0%
Incl. CPU (microsecs) per call 1,115 1,126 11 1.0%
Excl. CPU (microsec)133 154 21 15.8%
Incl. MemUse (bytes)45,160 45,172 12 0.0%
Incl. MemUse (bytes) per call 15,053 15,057 4 0.0%
Excl. MemUse (bytes)-16,208 -16,208 0 0.0%
Incl. PeakMemUse (bytes)133,364 133,376 12 0.0%
Incl. PeakMemUse (bytes) per call 44,455 44,459 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 Function17 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%