Diff Report
Run #539206aca7ae8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539205a48c548: 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 #539206aca7ae8Run #539205a48c548DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)6,317 6,874 557 8.8%
Incl. Wall Time (microsec) per call 3,159 3,437 279 8.8%
Excl. Wall Time (microsec)148 133 -15 -10.1%
Incl. CPU (microsecs)2,243 2,518 275 12.3%
Incl. CPU (microsecs) per call 1,122 1,259 138 12.3%
Excl. CPU (microsec)125 108 -17 -13.6%
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)142,992 125,484 -17,508 -12.2%
Incl. PeakMemUse (bytes) per call 71,496 62,742 -8,754 -12.2%
Excl. PeakMemUse (bytes)456 304 -152 -33.3%

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 Function-15 -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%