Diff Report
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fcf6ab927: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #5391fc871e91dRun #5391fcf6ab927DiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)1,539 1,541 2 0.1%
Incl. Wall Time (microsec) per call 103 103 0 0.1%
Excl. Wall Time (microsec)152 152 0 0.0%
Incl. CPU (microsecs)1,571 1,571 0 0.0%
Incl. CPU (microsecs) per call 105 105 0 0.0%
Excl. CPU (microsec)154 148 -6 -3.9%
Incl. MemUse (bytes)125,856 125,856 0 0.0%
Incl. MemUse (bytes) per call 8,390 8,390 0 0.0%
Excl. MemUse (bytes)6,704 6,704 0 0.0%
Incl. PeakMemUse (bytes)107,952 107,952 0 0.0%
Incl. PeakMemUse (bytes) per call 7,197 7,197 0 0.0%
Excl. PeakMemUse (bytes)4,064 4,064 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% 2 0.1% 0 0.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% -6 N/A% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityDatabaseStorage::buildQuery0 N/A% 5 250.0% 6 N/A% 0 N/A% 0 N/A%
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery0 N/A% -3 -150.0% -5 N/A% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 3 150.0% 2 N/A% 0 N/A% 0 N/A%
Drupal\Core\Entity\ContentEntityDatabaseStorage::attachPropertyData0 N/A% -2 -100.0% -2 N/A% 0 N/A% 0 N/A%
Drupal\comment\CommentStatistics::read0 N/A% -2 -100.0% -2 N/A% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% 2 100.0% 1 N/A% 0 N/A% 0 N/A%
db_select0 N/A% -1 -50.0% 0 N/A% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 6 300.0% 9 N/A% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -4 -200.0% -3 N/A% 0 N/A% 0 N/A%