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

Drupal\Core\Database\Connection::selectRun #52f2e60305388Run #52f2e62cef49aDiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)981 877 -104 -10.6%
Incl. Wall Time (microsec) per call 82 73 -9 -10.6%
Excl. Wall Time (microsec)98 95 -3 -3.1%
Incl. CPU (microsecs)1,006 894 -112 -11.1%
Incl. CPU (microsecs) per call 84 75 -9 -11.1%
Excl. CPU (microsec)102 85 -17 -16.7%
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 Function-3 -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%