Diff Report
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: 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 #51ec3c5ab9ae4Run #51ec3b81ad265DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,570 1,476 -94 -6.0%
Incl. Wall Time (microsec) per call 1,570 1,476 -94 -6.0%
Excl. Wall Time (microsec)58 55 -3 -5.2%
Incl. CPU (microsecs)927 900 -27 -2.9%
Incl. CPU (microsecs) per call 927 900 -27 -2.9%
Excl. CPU (microsec)41 42 1 2.4%
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)66,856 66,856 0 0.0%
Incl. PeakMemUse (bytes) per call 66,856 66,856 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% -94 -25.1% -27 -2.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-3 -3.2% 1 3.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -94 -100.0% -27 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Update::execute0 N/A% -75 -79.8% -14 -51.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% -11 -11.7% -9 -33.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% -8 -8.5% -8 -29.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% 7 7.4% 6 22.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::condition0 N/A% -4 -4.3% -2 -7.4% 0 N/A% 0 N/A%
count0 N/A% -1 -1.1% -2 -7.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::condition0 N/A% 1 1.1% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchField0 N/A% 0 0.0% -1 -3.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 0 0.0% 3 11.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::fields0 N/A% 0 0.0% -1 -3.7% 0 N/A% 0 N/A%