Diff Report
Run #52f2e62091f2c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e60305388: 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 #52f2e62091f2cRun #52f2e60305388DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,271 2,018 -253 -11.1%
Incl. Wall Time (microsec) per call 2,271 2,018 -253 -11.1%
Excl. Wall Time (microsec)59 50 -9 -15.3%
Incl. CPU (microsecs)1,546 1,289 -257 -16.6%
Incl. CPU (microsecs) per call 1,546 1,289 -257 -16.6%
Excl. CPU (microsec)42 33 -9 -21.4%
Incl. MemUse (bytes)240,232 240,232 0 0.0%
Incl. MemUse (bytes) per call 240,232 240,232 0 0.0%
Excl. MemUse (bytes)-8,032 -8,032 0 0.0%
Incl. PeakMemUse (bytes)202,928 202,928 0 0.0%
Incl. PeakMemUse (bytes) per call 202,928 202,928 0 0.0%
Excl. PeakMemUse (bytes)1,952 1,952 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% -253 -18.1% -257 -9.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-9 -3.6% -9 -3.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -253 -100.0% -257 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::select0 N/A% -106 -41.9% -106 -41.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% -102 -40.3% -100 -38.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::insert0 N/A% -22 -8.7% -22 -8.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -6 -2.4% -14 -5.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::condition0 N/A% -3 -1.2% -3 -1.2% 0 N/A% 0 N/A%
count0 N/A% -3 -1.2% -3 -1.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% -2 -0.8% -3 -1.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchField0 N/A% 0 0.0% 1 0.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Insert::fields0 N/A% 0 0.0% 2 0.8% 0 N/A% 0 N/A%