Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec51f5849d9: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51ec517fc2424Run #51ec51f5849d9DiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)1,380 1,404 24 1.7%
Incl. Wall Time (microsec) per call 73 74 1 1.7%
Excl. Wall Time (microsec)152 152 0 0.0%
Incl. CPU (microsecs)1,406 1,429 23 1.6%
Incl. CPU (microsecs) per call 74 75 1 1.6%
Excl. CPU (microsec)145 140 -5 -3.4%
Incl. MemUse (bytes)246,624 246,624 0 0.0%
Incl. MemUse (bytes) per call 12,980 12,980 0 0.0%
Excl. MemUse (bytes)14,000 14,000 0 0.0%
Incl. PeakMemUse (bytes)214,960 214,960 0 0.0%
Incl. PeakMemUse (bytes) per call 11,314 11,314 0 0.0%
Excl. PeakMemUse (bytes)10,264 10,264 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% 24 0.8% 23 0.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% -5 -21.7% 0 N/A% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% 21 87.5% 20 87.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 12 50.0% 11 47.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% -6 -25.0% -5 -21.7% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::attachPropertyData0 N/A% -5 -20.8% -5 -21.7% 0 N/A% 0 N/A%
db_select0 N/A% 4 16.7% 4 17.4% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% -4 -16.7% -3 -13.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% 2 8.3% 2 8.7% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 1 4.2% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -1 -4.2% -1 -4.3% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 23 95.8% 29 126.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 1 4.2% -1 -4.3% 0 N/A% 0 N/A%