Diff Report
Run #51ec52a09990a: 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 #51ec52a09990aRun #51ec517fc2424DiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)1,392 1,380 -12 -0.9%
Incl. Wall Time (microsec) per call 73 73 -1 -0.9%
Excl. Wall Time (microsec)154 152 -2 -1.3%
Incl. CPU (microsecs)1,416 1,406 -10 -0.7%
Incl. CPU (microsecs) per call 75 74 -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)214,888 214,960 72 0.0%
Incl. PeakMemUse (bytes) per call 11,310 11,314 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 Function-2 -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%