Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51ec3b81ad265Run #51ec3c5ab9ae4DiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)1,343 1,316 -27 -2.0%
Incl. Wall Time (microsec) per call 90 88 -2 -2.0%
Excl. Wall Time (microsec)118 115 -3 -2.5%
Incl. CPU (microsecs)1,366 1,343 -23 -1.7%
Incl. CPU (microsecs) per call 91 90 -2 -1.7%
Excl. CPU (microsec)118 114 -4 -3.4%
Incl. MemUse (bytes)251,296 251,312 16 0.0%
Incl. MemUse (bytes) per call 16,753 16,754 1 0.0%
Excl. MemUse (bytes)12,944 12,944 0 0.0%
Incl. PeakMemUse (bytes)233,872 233,872 0 0.0%
Incl. PeakMemUse (bytes) per call 15,591 15,591 0 0.0%
Excl. PeakMemUse (bytes)8,480 8,480 0 0.0%

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% -27 -7.2% -23 -2.2% 16 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-3 -11.1% -4 -17.4% 0 0.0% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% -39 -144.4% -39 -169.6% 0 0.0% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% -7 -25.9% -6 -26.1% 0 0.0% 0 N/A%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 7 25.9% 8 34.8% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 7 25.9% 8 34.8% 0 0.0% 0 N/A%
db_select0 N/A% 2 7.4% 3 13.0% 16 100.0% 0 N/A%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 1 3.7% 3 13.0% 0 0.0% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% 1 3.7% 1 4.3% 0 0.0% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 1 3.7% 1 4.3% 0 0.0% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::attachPropertyData0 N/A% 0 0.0% -2 -8.7% 0 0.0% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -40 -148.1% -38 -165.2% 0 0.0% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 16 59.3% 19 82.6% 16 100.0% 0 N/A%