Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206aca7ae8: 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 #539205a48c548Run #539206aca7ae8DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)6,874 6,317 -557 -8.1%
Incl. Wall Time (microsec) per call 3,437 3,159 -279 -8.1%
Excl. Wall Time (microsec)133 148 15 11.3%
Incl. CPU (microsecs)2,518 2,243 -275 -10.9%
Incl. CPU (microsecs) per call 1,259 1,122 -138 -10.9%
Excl. CPU (microsec)108 125 17 15.7%
Incl. MemUse (bytes)45,392 45,392 0 0.0%
Incl. MemUse (bytes) per call 22,696 22,696 0 0.0%
Excl. MemUse (bytes)-9,636 -9,636 0 0.0%
Incl. PeakMemUse (bytes)125,484 142,992 17,508 14.0%
Incl. PeakMemUse (bytes) per call 62,742 71,496 8,754 14.0%
Excl. PeakMemUse (bytes)304 456 152 50.0%

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% -557 -12.1% -275 -7.3% 0 0.0% 17,508 18.1%
Exclusive Metrics Diff for Current Function15 2.7% 17 6.2% 0 N/A% 152 0.9%
Parent function
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::setWithExpire0 N/A% -557 -100.0% -275 -100.0% 0 N/A% 17,508 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -459 -82.4% -154 -56.0% 0 N/A% 176 1.0%
Drupal\Core\Database\Query\Select::execute0 N/A% -102 -18.3% -124 -45.1% 0 N/A% 3,532 20.2%
Drupal\Core\Database\Connection::insert0 N/A% -14 -2.5% -20 -7.3% 0 N/A% 13,644 77.9%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 9 1.6% 8 2.9% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::condition0 N/A% -2 -0.4% -2 -0.7% 0 N/A% 0 0.0%
count0 N/A% -2 -0.4% -2 -0.7% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::select0 N/A% -2 -0.4% -1 -0.4% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchField0 N/A% -1 -0.2% 1 0.4% 0 N/A% 4 0.0%
Drupal\Core\Database\Query\Insert::fields0 N/A% 1 0.2% 2 0.7% 0 N/A% 0 0.0%