Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #534ad8dec7444Run #534ad9c94e95bDiffDiff%
Number of Function Calls31 31 0 0.0%
Incl. Wall Time (microsec)2,786 2,796 10 0.4%
Incl. Wall Time (microsec) per call 90 90 0 0.4%
Excl. Wall Time (microsec)365 350 -15 -4.1%
Incl. CPU (microsecs)2,840 2,850 10 0.4%
Incl. CPU (microsecs) per call 92 92 0 0.4%
Excl. CPU (microsec)349 324 -25 -7.2%
Incl. MemUse (bytes)155,776 155,780 4 0.0%
Incl. MemUse (bytes) per call 5,025 5,025 0 0.0%
Excl. MemUse (bytes)9,356 9,356 0 0.0%
Incl. PeakMemUse (bytes)126,452 126,456 4 0.0%
Incl. PeakMemUse (bytes) per call 4,079 4,079 0 0.0%
Excl. PeakMemUse (bytes)5,004 5,004 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% 10 0.6% 10 2.0% 4 0.0% 4 0.0%
Exclusive Metrics Diff for Current Function-15 -150.0% -25 -250.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\ContentEntityDatabaseStorage::attachPropertyData0 N/A% 19 190.0% 18 180.0% 0 0.0% 0 0.0%
db_select0 N/A% -14 -140.0% -12 -120.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery0 N/A% -5 -50.0% -2 -20.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityDatabaseStorage::buildQuery0 N/A% 5 50.0% 5 50.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Merge::execute0 N/A% 3 30.0% 2 20.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 3 30.0% 2 20.0% 4 100.0% 4 100.0%
Drupal\comment\CommentStatistics::read0 N/A% -1 -10.0% -1 -10.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 1 10.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% -1 -10.0% -2 -20.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 24 240.0% 27 270.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 1 10.0% 8 80.0% 4 100.0% 4 100.0%