Diff Report
Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5cfb002ea: 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 #51ec5ca916d7dRun #51ec5cfb002eaDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,545 1,487 -58 -3.8%
Incl. Wall Time (microsec) per call 1,545 1,487 -58 -3.8%
Excl. Wall Time (microsec)55 54 -1 -1.8%
Incl. CPU (microsecs)991 931 -60 -6.1%
Incl. CPU (microsecs) per call 991 931 -60 -6.1%
Excl. CPU (microsec)42 38 -4 -9.5%
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)69,840 69,840 0 0.0%
Incl. PeakMemUse (bytes) per call 69,840 69,840 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% -58 -3.7% -60 -61.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -1.7% -4 -6.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -58 -100.0% -60 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Update::execute0 N/A% -24 -41.4% -25 -41.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% -21 -36.2% -20 -33.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% -10 -17.2% -8 -13.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchField0 N/A% -1 -1.7% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% -1 -1.7% -1 -1.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::condition0 N/A% 0 0.0% 1 1.7% 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%
Drupal\Core\Database\Query\Select::condition0 N/A% 0 0.0% -1 -1.7% 0 N/A% 0 N/A%
count0 N/A% 0 0.0% -1 -1.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 0 0.0% -1 -1.7% 0 N/A% 0 N/A%