Diff Report
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec243650361: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51ec227a9cea0Run #51ec243650361DiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)1,335 1,391 56 4.2%
Incl. Wall Time (microsec) per call 89 93 4 4.2%
Excl. Wall Time (microsec)121 123 2 1.7%
Incl. CPU (microsecs)1,356 1,413 57 4.2%
Incl. CPU (microsecs) per call 90 94 4 4.2%
Excl. CPU (microsec)112 114 2 1.8%
Incl. MemUse (bytes)249,632 249,624 -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)222,368 222,360 -8 -0.0%
Incl. PeakMemUse (bytes) per call 14,825 14,824 -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 Function2 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%