Diff Report
Run #51ec51f5849d9: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec517fc2424: 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 #51ec51f5849d9Run #51ec517fc2424DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,858 1,486 -372 -20.0%
Incl. Wall Time (microsec) per call 1,858 1,486 -372 -20.0%
Excl. Wall Time (microsec)61 59 -2 -3.3%
Incl. CPU (microsecs)1,042 888 -154 -14.8%
Incl. CPU (microsecs) per call 1,042 888 -154 -14.8%
Excl. CPU (microsec)40 36 -4 -10.0%
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 Function-2 -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%