Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51ec517fc2424Run #51ec52a09990aDiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)1,380 1,392 12 0.9%
Incl. Wall Time (microsec) per call 73 73 1 0.9%
Excl. Wall Time (microsec)152 154 2 1.3%
Incl. CPU (microsecs)1,406 1,416 10 0.7%
Incl. CPU (microsecs) per call 74 75 1 0.7%
Excl. CPU (microsec)145 145 0 0.0%
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)214,960 214,888 -72 -0.0%
Incl. PeakMemUse (bytes) per call 11,314 11,310 -4 -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% 12 0.3% 10 0.2% 0 0.0% -72 -0.3%
Exclusive Metrics Diff for Current Function2 16.7% 0 0.0% 0 N/A% 0 0.0%
Parent functions
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 13 108.3% 12 120.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Merge::execute0 N/A% -9 -75.0% -9 -90.0% 0 N/A% 0 0.0%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 7 58.3% 7 70.0% 0 N/A% -72 -100.0%
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% 7 58.3% 7 70.0% 0 N/A% 0 0.0%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -5 -41.7% -5 -50.0% 0 N/A% 0 0.0%
Drupal\Core\Entity\DatabaseStorageControllerNG::attachPropertyData0 N/A% -3 -25.0% -3 -30.0% 0 N/A% 0 0.0%
db_select0 N/A% 2 16.7% 2 20.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -1 -8.3% -1 -10.0% 0 N/A% 0 0.0%
Drupal\user\UserData::get0 N/A% 1 8.3% 0 0.0% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 8 66.7% 4 40.0% 0 N/A% -72 -100.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 2 16.7% 6 60.0% 0 N/A% 0 0.0%