Diff Report
Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5cfb002ea: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51ec5ca916d7dRun #51ec5cfb002eaDiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)1,244 1,184 -60 -4.8%
Incl. Wall Time (microsec) per call 104 99 -5 -4.8%
Excl. Wall Time (microsec)97 91 -6 -6.2%
Incl. CPU (microsecs)1,258 1,200 -58 -4.6%
Incl. CPU (microsecs) per call 105 100 -5 -4.6%
Excl. CPU (microsec)90 91 1 1.1%
Incl. MemUse (bytes)240,832 240,832 0 0.0%
Incl. MemUse (bytes) per call 20,069 20,069 0 0.0%
Excl. MemUse (bytes)10,488 10,488 0 0.0%
Incl. PeakMemUse (bytes)220,264 220,264 0 0.0%
Incl. PeakMemUse (bytes) per call 18,355 18,355 0 0.0%
Excl. PeakMemUse (bytes)7,768 7,768 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% -60 -3.8% -58 -59.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-6 -10.0% 1 1.7% 0 N/A% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% -60 -100.0% -60 -103.4% 0 N/A% 0 N/A%
db_select0 N/A% 5 8.3% 5 8.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -5 -8.3% -3 -5.2% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 2 3.3% 1 1.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% -1 -1.7% -1 -1.7% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% -1 -1.7% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::attachPropertyData0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -48 -80.0% -56 -96.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% -6 -10.0% -3 -5.2% 0 N/A% 0 N/A%