Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51ec485525502Run #51ec491641923DiffDiff%
Number of Function Calls23 23 0 0.0%
Incl. Wall Time (microsec)1,626 1,593 -33 -2.0%
Incl. Wall Time (microsec) per call 71 69 -1 -2.0%
Excl. Wall Time (microsec)182 183 1 0.5%
Incl. CPU (microsecs)1,658 1,646 -12 -0.7%
Incl. CPU (microsecs) per call 72 72 -1 -0.7%
Excl. CPU (microsec)177 189 12 6.8%
Incl. MemUse (bytes)258,384 258,384 0 0.0%
Incl. MemUse (bytes) per call 11,234 11,234 0 0.0%
Excl. MemUse (bytes)15,064 15,064 0 0.0%
Incl. PeakMemUse (bytes)224,760 226,184 1,424 0.6%
Incl. PeakMemUse (bytes) per call 9,772 9,834 62 0.6%
Excl. PeakMemUse (bytes)11,280 11,424 144 1.3%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::select [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\Connection::select0 N/A% -33 -2.1% -12 -0.7% 0 0.0% 1,424 1.1%
Exclusive Metrics Diff for Current Function1 3.0% 12 100.0% 0 N/A% 144 10.1%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -40 -121.2% -14 -116.7% 0 N/A% 0 0.0%
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% -18 -54.5% -21 -175.0% 0 N/A% 1,424 100.0%
Drupal\user\UserData::get0 N/A% 14 42.4% 14 116.7% 0 N/A% 0 0.0%
db_select0 N/A% 7 21.2% 8 66.7% 0 N/A% 0 0.0%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 6 18.2% 5 41.7% 0 N/A% 0 0.0%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% -2 -6.1% -1 -8.3% 0 N/A% 0 0.0%
Drupal\Core\Entity\DatabaseStorageControllerNG::attachPropertyData0 N/A% -2 -6.1% -5 -41.7% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Merge::execute0 N/A% 1 3.0% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 1 3.0% 2 16.7% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% -47 -142.4% -42 -350.0% 0 N/A% 1,280 89.9%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 13 39.4% 18 150.0% 0 N/A% 0 0.0%