Diff Report
Run #51ec6582d0962: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Query\Merge::execute

Drupal\Core\Database\Query\Merge::executeRun #51ec6582d0962Run #51ec623000e0cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,614 1,535 -79 -4.9%
Incl. Wall Time (microsec) per call 1,614 1,535 -79 -4.9%
Excl. Wall Time (microsec)61 53 -8 -13.1%
Incl. CPU (microsecs)899 849 -50 -5.6%
Incl. CPU (microsecs) per call 899 849 -50 -5.6%
Excl. CPU (microsec)47 38 -9 -19.1%
Incl. MemUse (bytes)75,976 75,976 0 0.0%
Incl. MemUse (bytes) per call 75,976 75,976 0 0.0%
Excl. MemUse (bytes)-8,312 -8,312 0 0.0%
Incl. PeakMemUse (bytes)86,824 86,824 0 0.0%
Incl. PeakMemUse (bytes) per call 86,824 86,824 0 0.0%
Excl. PeakMemUse (bytes)3,224 3,224 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% -79 -3.1% -50 -4.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -10.1% -9 -18.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -79 -100.0% -50 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Update::execute0 N/A% -38 -48.1% -34 -68.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% -23 -29.1% 2 4.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% -14 -17.7% -14 -28.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% 5 6.3% 5 10.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::condition0 N/A% -2 -2.5% -2 -4.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchField0 N/A% -1 -1.3% 0 0.0% 0 N/A% 0 N/A%
count0 N/A% 1 1.3% 2 4.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::condition0 N/A% 1 1.3% 1 2.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 0 0.0% -1 -2.0% 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%