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

Drupal\Core\Database\Connection::selectRun #51ec491641923Run #51ec485525502DiffDiff%
Number of Function Calls23 23 0 0.0%
Incl. Wall Time (microsec)1,593 1,626 33 2.1%
Incl. Wall Time (microsec) per call 69 71 1 2.1%
Excl. Wall Time (microsec)183 182 -1 -0.5%
Incl. CPU (microsecs)1,646 1,658 12 0.7%
Incl. CPU (microsecs) per call 72 72 1 0.7%
Excl. CPU (microsec)189 177 -12 -6.3%
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)226,184 224,760 -1,424 -0.6%
Incl. PeakMemUse (bytes) per call 9,834 9,772 -62 -0.6%
Excl. PeakMemUse (bytes)11,424 11,280 -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 Function-1 -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%