Diff Report
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #52e4374042aceRun #52e436ce9c71dDiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)706 673 -33 -4.7%
Incl. Wall Time (microsec) per call 118 112 -6 -4.7%
Excl. Wall Time (microsec)50 49 -1 -2.0%
Incl. CPU (microsecs)715 682 -33 -4.6%
Incl. CPU (microsecs) per call 119 114 -6 -4.6%
Excl. CPU (microsec)47 43 -4 -8.5%
Incl. MemUse (bytes)203,936 203,936 0 0.0%
Incl. MemUse (bytes) per call 33,989 33,989 0 0.0%
Excl. MemUse (bytes)5,640 5,640 0 0.0%
Incl. PeakMemUse (bytes)193,216 193,216 0 0.0%
Incl. PeakMemUse (bytes) per call 32,203 32,203 0 0.0%
Excl. PeakMemUse (bytes)3,816 3,816 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% -33 -2.8% -33 -3.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -3.0% -4 -12.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\FieldableDatabaseStorageController::buildQuery0 N/A% -31 -93.9% -29 -87.9% 0 N/A% 0 N/A%
db_select0 N/A% -2 -6.1% -1 -3.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\FieldableDatabaseStorageController::attachPropertyData0 N/A% 0 0.0% -3 -9.1% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -26 -78.8% -26 -78.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% -6 -18.2% -3 -9.1% 0 N/A% 0 N/A%