Diff Report
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51ec623000e0cRun #51ec66a5a877dDiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)1,305 1,314 9 0.7%
Incl. Wall Time (microsec) per call 87 88 1 0.7%
Excl. Wall Time (microsec)116 119 3 2.6%
Incl. CPU (microsecs)1,326 1,335 9 0.7%
Incl. CPU (microsecs) per call 88 89 1 0.7%
Excl. CPU (microsec)117 110 -7 -6.0%
Incl. MemUse (bytes)249,632 249,608 -24 -0.0%
Incl. MemUse (bytes) per call 16,642 16,641 -2 -0.0%
Excl. MemUse (bytes)11,280 11,280 0 0.0%
Incl. PeakMemUse (bytes)223,960 223,976 16 0.0%
Incl. PeakMemUse (bytes) per call 14,931 14,932 1 0.0%
Excl. PeakMemUse (bytes)8,184 8,184 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% 9 0.4% 9 0.3% -24 -0.0% 16 0.0%
Exclusive Metrics Diff for Current Function3 33.3% -7 -77.8% 0 0.0% 0 0.0%
Parent functions
Drupal\user\UserData::get0 N/A% 8 88.9% 8 88.9% -24 -100.0% 16 100.0%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 7 77.8% 9 100.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Merge::execute0 N/A% -4 -44.4% -4 -44.4% 0 0.0% 0 0.0%
db_select0 N/A% -2 -22.2% -1 -11.1% 0 0.0% 0 0.0%
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% -1 -11.1% -5 -55.6% 0 0.0% 0 0.0%
Drupal\Core\Entity\DatabaseStorageControllerNG::attachPropertyData0 N/A% 1 11.1% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 0 0.0% 2 22.2% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 5 55.6% 10 111.1% -24 -100.0% 16 100.0%
Drupal\Core\Database\Query\Select::__construct0 N/A% 1 11.1% 6 66.7% 0 0.0% 0 0.0%