Diff Report
Run #51ec243650361: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51ec243650361Run #51ec227a9cea0DiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)1,391 1,335 -56 -4.0%
Incl. Wall Time (microsec) per call 93 89 -4 -4.0%
Excl. Wall Time (microsec)123 121 -2 -1.6%
Incl. CPU (microsecs)1,413 1,356 -57 -4.0%
Incl. CPU (microsecs) per call 94 90 -4 -4.0%
Excl. CPU (microsec)114 112 -2 -1.8%
Incl. MemUse (bytes)249,624 249,632 8 0.0%
Incl. MemUse (bytes) per call 16,642 16,642 1 0.0%
Excl. MemUse (bytes)11,280 11,280 0 0.0%
Incl. PeakMemUse (bytes)222,360 222,368 8 0.0%
Incl. PeakMemUse (bytes) per call 14,824 14,825 1 0.0%
Excl. PeakMemUse (bytes)7,992 7,992 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% -56 -0.7% -57 -0.9% 8 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function-2 -3.6% -2 -3.5% 0 0.0% 0 0.0%
Parent functions
Drupal\user\UserData::get0 N/A% -37 -66.1% -38 -66.7% 8 100.0% 8 100.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -8 -14.3% -8 -14.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% -7 -12.5% -9 -15.8% 0 0.0% 0 0.0%
db_select0 N/A% -5 -8.9% -5 -8.8% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 2 3.6% 3 5.3% 0 0.0% 0 0.0%
Drupal\Core\Entity\DatabaseStorageControllerNG::attachPropertyData0 N/A% -1 -1.8% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Merge::execute0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% -27 -48.2% -28 -49.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -27 -48.2% -27 -47.4% 8 100.0% 8 100.0%