Diff Report
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51ec3c5ab9ae4Run #51ec3b81ad265DiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)1,316 1,343 27 2.1%
Incl. Wall Time (microsec) per call 88 90 2 2.1%
Excl. Wall Time (microsec)115 118 3 2.6%
Incl. CPU (microsecs)1,343 1,366 23 1.7%
Incl. CPU (microsecs) per call 90 91 2 1.7%
Excl. CPU (microsec)114 118 4 3.5%
Incl. MemUse (bytes)251,312 251,296 -16 -0.0%
Incl. MemUse (bytes) per call 16,754 16,753 -1 -0.0%
Excl. MemUse (bytes)12,944 12,944 0 0.0%
Incl. PeakMemUse (bytes)233,872 233,872 0 0.0%
Incl. PeakMemUse (bytes) per call 15,591 15,591 0 0.0%
Excl. PeakMemUse (bytes)8,480 8,480 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% 27 7.2% 23 2.2% -16 -0.0% 0 0.0%
Exclusive Metrics Diff for Current Function3 11.1% 4 17.4% 0 0.0% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% 39 144.4% 39 169.6% 0 0.0% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% 7 25.9% 6 26.1% 0 0.0% 0 N/A%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% -7 -25.9% -8 -34.8% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% -7 -25.9% -8 -34.8% 0 0.0% 0 N/A%
db_select0 N/A% -2 -7.4% -3 -13.0% -16 -100.0% 0 N/A%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -1 -3.7% -3 -13.0% 0 0.0% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% -1 -3.7% -1 -4.3% 0 0.0% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -1 -3.7% -1 -4.3% 0 0.0% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::attachPropertyData0 N/A% 0 0.0% 2 8.7% 0 0.0% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 40 148.1% 38 165.2% 0 0.0% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% -16 -59.3% -19 -82.6% -16 -100.0% 0 N/A%