Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec489b18752: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51ec485525502Run #51ec489b18752DiffDiff%
Number of Function Calls23 23 0 0.0%
Incl. Wall Time (microsec)1,626 1,573 -53 -3.3%
Incl. Wall Time (microsec) per call 71 68 -2 -3.3%
Excl. Wall Time (microsec)182 172 -10 -5.5%
Incl. CPU (microsecs)1,658 1,606 -52 -3.1%
Incl. CPU (microsecs) per call 72 70 -2 -3.1%
Excl. CPU (microsec)177 167 -10 -5.6%
Incl. MemUse (bytes)258,384 258,384 0 0.0%
Incl. MemUse (bytes) per call 11,234 11,234 0 0.0%
Excl. MemUse (bytes)15,064 15,064 0 0.0%
Incl. PeakMemUse (bytes)224,760 224,760 0 0.0%
Incl. PeakMemUse (bytes) per call 9,772 9,772 0 0.0%
Excl. PeakMemUse (bytes)11,280 11,280 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% -53 -5.2% -52 -13.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-10 -18.9% -10 -19.2% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -28 -52.8% -30 -57.7% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% -18 -34.0% -19 -36.5% 0 N/A% 0 N/A%
Drupal\user\UserData::get0 N/A% -6 -11.3% -5 -9.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::attachPropertyData0 N/A% -6 -11.3% -6 -11.5% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 5 9.4% 8 15.4% 0 N/A% 0 N/A%
db_select0 N/A% 4 7.5% 5 9.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% -2 -3.8% -3 -5.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -1 -1.9% -1 -1.9% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% -1 -1.9% -1 -1.9% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% -39 -73.6% -47 -90.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -4 -7.5% 5 9.6% 0 N/A% 0 N/A%