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

Drupal\Core\Database\Connection::selectRun #51ec51f5849d9Run #51ec517fc2424DiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)1,404 1,380 -24 -1.7%
Incl. Wall Time (microsec) per call 74 73 -1 -1.7%
Excl. Wall Time (microsec)152 152 0 0.0%
Incl. CPU (microsecs)1,429 1,406 -23 -1.6%
Incl. CPU (microsecs) per call 75 74 -1 -1.6%
Excl. CPU (microsec)140 145 5 3.6%
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%