Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62091f2c: 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 #52f2e62091f2cDiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)981 1,062 81 8.3%
Incl. Wall Time (microsec) per call 82 89 7 8.3%
Excl. Wall Time (microsec)98 97 -1 -1.0%
Incl. CPU (microsecs)1,006 1,085 79 7.9%
Incl. CPU (microsecs) per call 84 90 7 7.9%
Excl. CPU (microsec)102 91 -11 -10.8%
Incl. MemUse (bytes)172,936 172,944 8 0.0%
Incl. MemUse (bytes) per call 14,411 14,412 1 0.0%
Excl. MemUse (bytes)11,360 11,360 0 0.0%
Incl. PeakMemUse (bytes)93,728 93,736 8 0.0%
Incl. PeakMemUse (bytes) per call 7,811 7,811 1 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% 81 5.8% 79 2.9% 8 3.8% 8 1.1%
Exclusive Metrics Diff for Current Function-1 -1.2% -11 -13.9% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Query\Merge::execute0 N/A% 106 130.9% 106 134.2% 0 0.0% 0 0.0%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -34 -42.0% -34 -43.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 10 12.3% 9 11.4% 0 0.0% 0 0.0%
Drupal\Core\Entity\FieldableDatabaseStorageController::buildQuery0 N/A% 6 7.4% 6 7.6% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% -6 -7.4% -7 -8.9% 8 100.0% 8 100.0%
Drupal\Core\Entity\FieldableDatabaseStorageController::attachPropertyData0 N/A% 4 4.9% 5 6.3% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::query0 N/A% -4 -4.9% -6 -7.6% 0 0.0% 0 0.0%
db_select0 N/A% -1 -1.2% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 87 107.4% 93 117.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::__construct0 N/A% -5 -6.2% -3 -3.8% 8 100.0% 8 100.0%