Diff Report
Run #51ec3c1813b11: 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 #51ec3c1813b11Run #51ec3b81ad265DiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)1,306 1,343 37 2.8%
Incl. Wall Time (microsec) per call 87 90 2 2.8%
Excl. Wall Time (microsec)130 118 -12 -9.2%
Incl. CPU (microsecs)1,342 1,366 24 1.8%
Incl. CPU (microsecs) per call 89 91 2 1.8%
Excl. CPU (microsec)116 118 2 1.7%
Incl. MemUse (bytes)251,296 251,296 0 0.0%
Incl. MemUse (bytes) per call 16,753 16,753 0 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% 37 1.5% 24 3.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-12 -32.4% 2 8.3% 0 N/A% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% 42 113.5% 38 158.3% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -5 -13.5% -7 -29.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% 4 10.8% 2 8.3% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% -4 -10.8% -6 -25.0% 0 N/A% 0 N/A%
db_select0 N/A% 2 5.4% 1 4.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::attachPropertyData0 N/A% -2 -5.4% -3 -12.5% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% 0 0.0% -1 -4.2% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 42 113.5% 36 150.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 7 18.9% -14 -58.3% 0 N/A% 0 N/A%