Diff Report
Run #52c96d7c36f9e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96dcbc5e6a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #52c96d7c36f9eRun #52c96dcbc5e6aDiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)590 596 6 1.0%
Incl. Wall Time (microsec) per call 98 99 1 1.0%
Excl. Wall Time (microsec)42 46 4 9.5%
Incl. CPU (microsecs)604 604 0 0.0%
Incl. CPU (microsecs) per call 101 101 0 0.0%
Excl. CPU (microsec)47 41 -6 -12.8%
Incl. MemUse (bytes)205,448 205,440 -8 -0.0%
Incl. MemUse (bytes) per call 34,241 34,240 -1 -0.0%
Excl. MemUse (bytes)7,256 7,256 0 0.0%
Incl. PeakMemUse (bytes)189,624 189,664 40 0.0%
Incl. PeakMemUse (bytes) per call 31,604 31,611 7 0.0%
Excl. PeakMemUse (bytes)3,592 3,592 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% 6 0.8% 0 0.0% -8 -0.0% 40 0.0%
Exclusive Metrics Diff for Current Function4 66.7% -6 N/A% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Query\Merge::execute0 N/A% 10 166.7% 8 N/A% -8 -100.0% 0 0.0%
Drupal\Core\Entity\FieldableDatabaseStorageController::buildQuery0 N/A% -8 -133.3% -9 N/A% 0 0.0% 40 100.0%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 2 33.3% 0 N/A% 0 0.0% 0 0.0%
db_select0 N/A% 1 16.7% 1 N/A% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 1 16.7% 0 N/A% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 10 166.7% 11 N/A% -8 -100.0% 32 80.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -8 -133.3% -5 N/A% 0 0.0% 8 20.0%