Diff Report
Run #531ccba053790: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccb2cb8e3d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #531ccba053790Run #531ccb2cb8e3dDiffDiff%
Number of Function Calls30 30 0 0.0%
Incl. Wall Time (microsec)2,905 2,906 1 0.0%
Incl. Wall Time (microsec) per call 97 97 0 0.0%
Excl. Wall Time (microsec)200 205 5 2.5%
Incl. CPU (microsecs)2,935 2,942 7 0.2%
Incl. CPU (microsecs) per call 98 98 0 0.2%
Excl. CPU (microsec)171 176 5 2.9%
Incl. MemUse (bytes)489,088 489,088 0 0.0%
Incl. MemUse (bytes) per call 16,303 16,303 0 0.0%
Excl. MemUse (bytes)13,640 13,640 0 0.0%
Incl. PeakMemUse (bytes)402,696 402,696 0 0.0%
Incl. PeakMemUse (bytes) per call 13,423 13,423 0 0.0%
Excl. PeakMemUse (bytes)5,784 5,784 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% 1 1.7% 7 11.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 500.0% 5 71.4% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% -2 -200.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 2 200.0% 5 71.4% 0 N/A% 0 N/A%
Drupal\Core\Entity\FieldableDatabaseStorageController::buildQuery0 N/A% 2 200.0% 2 28.6% 0 N/A% 0 N/A%
db_select0 N/A% -1 -100.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\FieldableDatabaseStorageController::attachPropertyData0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% -3 -300.0% -2 -28.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -1 -100.0% 4 57.1% 0 N/A% 0 N/A%