Diff Report
Run #51ec6582d0962: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51ec6582d0962Run #51ec623000e0cDiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)1,377 1,305 -72 -5.2%
Incl. Wall Time (microsec) per call 92 87 -5 -5.2%
Excl. Wall Time (microsec)125 116 -9 -7.2%
Incl. CPU (microsecs)1,398 1,326 -72 -5.2%
Incl. CPU (microsecs) per call 93 88 -5 -5.2%
Excl. CPU (microsec)114 117 3 2.6%
Incl. MemUse (bytes)249,632 249,632 0 0.0%
Incl. MemUse (bytes) per call 16,642 16,642 0 0.0%
Excl. MemUse (bytes)11,280 11,280 0 0.0%
Incl. PeakMemUse (bytes)223,960 223,960 0 0.0%
Incl. PeakMemUse (bytes) per call 14,931 14,931 0 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% -72 -2.8% -72 -6.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-9 -12.5% 3 4.2% 0 N/A% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% -63 -87.5% -63 -87.5% 0 N/A% 0 N/A%
db_select0 N/A% -8 -11.1% -10 -13.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% 5 6.9% 5 6.9% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% -4 -5.6% -3 -4.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::attachPropertyData0 N/A% -1 -1.4% 0 0.0% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% -1 -1.4% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 0 0.0% -1 -1.4% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -47 -65.3% -54 -75.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% -16 -22.2% -21 -29.2% 0 N/A% 0 N/A%