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

Drupal\Core\Database\Connection::selectRun #52c96dcbc5e6aRun #52c96d7c36f9eDiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)596 590 -6 -1.0%
Incl. Wall Time (microsec) per call 99 98 -1 -1.0%
Excl. Wall Time (microsec)46 42 -4 -8.7%
Incl. CPU (microsecs)604 604 0 0.0%
Incl. CPU (microsecs) per call 101 101 0 0.0%
Excl. CPU (microsec)41 47 6 14.6%
Incl. MemUse (bytes)205,440 205,448 8 0.0%
Incl. MemUse (bytes) per call 34,240 34,241 1 0.0%
Excl. MemUse (bytes)7,256 7,256 0 0.0%
Incl. PeakMemUse (bytes)189,664 189,624 -40 -0.0%
Incl. PeakMemUse (bytes) per call 31,611 31,604 -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 Function-4 -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%