Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c1813b11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51ec3b81ad265Run #51ec3c1813b11DiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)1,343 1,306 -37 -2.8%
Incl. Wall Time (microsec) per call 90 87 -2 -2.8%
Excl. Wall Time (microsec)118 130 12 10.2%
Incl. CPU (microsecs)1,366 1,342 -24 -1.8%
Incl. CPU (microsecs) per call 91 89 -2 -1.8%
Excl. CPU (microsec)118 116 -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 Function12 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%