Diff Report
Run #52f2e62cef49a: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #52f2e62cef49aRun #52f2e60305388DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)877 981 104 11.9%
Incl. Wall Time (microsec) per call 73 82 9 11.9%
Excl. Wall Time (microsec)95 98 3 3.2%
Incl. CPU (microsecs)894 1,006 112 12.5%
Incl. CPU (microsecs) per call 75 84 9 12.5%
Excl. CPU (microsec)85 102 17 20.0%
Incl. MemUse (bytes)172,936 172,936 0 0.0%
Incl. MemUse (bytes) per call 14,411 14,411 0 0.0%
Excl. MemUse (bytes)11,360 11,360 0 0.0%
Incl. PeakMemUse (bytes)93,728 93,728 0 0.0%
Incl. PeakMemUse (bytes) per call 7,811 7,811 0 0.0%
Excl. PeakMemUse (bytes)9,552 9,552 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% 104 4.6% 112 5.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function3 2.9% 17 15.2% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Query\Merge::execute0 N/A% 67 64.4% 69 61.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 38 36.5% 39 34.8% 0 N/A% 0 N/A%
db_select0 N/A% 13 12.5% 15 13.4% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% -11 -10.6% -9 -8.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -7 -6.7% -7 -6.2% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 3 2.9% 4 3.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\FieldableDatabaseStorageController::buildQuery0 N/A% 1 1.0% 1 0.9% 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\Connection::getDriverClass0 N/A% 58 55.8% 53 47.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 43 41.3% 42 37.5% 0 N/A% 0 N/A%