Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec51f5849d9: 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 #51ec517fc2424Run #51ec51f5849d9DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,486 1,858 372 25.0%
Incl. Wall Time (microsec) per call 1,486 1,858 372 25.0%
Excl. Wall Time (microsec)59 61 2 3.4%
Incl. CPU (microsecs)888 1,042 154 17.3%
Incl. CPU (microsecs) per call 888 1,042 154 17.3%
Excl. CPU (microsec)36 40 4 11.1%
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)68,064 68,064 0 0.0%
Incl. PeakMemUse (bytes) per call 68,064 68,064 0 0.0%
Excl. PeakMemUse (bytes)3,240 3,240 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% 372 12.7% 154 4.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 0.5% 4 2.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 372 100.0% 154 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::execute0 N/A% 218 58.6% 45 29.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::execute0 N/A% 127 34.1% 81 52.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% 25 6.7% 25 16.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% -6 -1.6% -5 -3.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::condition0 N/A% 2 0.5% 1 0.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchField0 N/A% 2 0.5% 2 1.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::condition0 N/A% 1 0.3% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 1 0.3% 1 0.6% 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%
count0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%