Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206513e72e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #539205a48c548Run #539206513e72eDiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)1,559 1,591 32 2.1%
Incl. Wall Time (microsec) per call 104 106 2 2.1%
Excl. Wall Time (microsec)164 171 7 4.3%
Incl. CPU (microsecs)1,587 1,621 34 2.1%
Incl. CPU (microsecs) per call 106 108 2 2.1%
Excl. CPU (microsec)161 159 -2 -1.2%
Incl. MemUse (bytes)125,848 125,848 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)107,856 107,856 0 0.0%
Incl. PeakMemUse (bytes) per call 7,190 7,190 0 0.0%
Excl. PeakMemUse (bytes)3,996 3,996 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% 32 3.5% 34 9.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function7 21.9% -2 -5.9% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery0 N/A% 18 56.2% 16 47.1% 0 N/A% 0 N/A%
db_select0 N/A% 11 34.4% 11 32.4% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 9 28.1% 9 26.5% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityDatabaseStorage::buildQuery0 N/A% -6 -18.8% -4 -11.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% -5 -15.6% -3 -8.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 5 15.6% 5 14.7% 0 N/A% 0 N/A%
Drupal\Core\Entity\ContentEntityDatabaseStorage::attachPropertyData0 N/A% 2 6.2% 4 11.8% 0 N/A% 0 N/A%
Drupal\comment\CommentStatistics::read0 N/A% -2 -6.2% -4 -11.8% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 26 81.2% 26 76.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -1 -3.1% 10 29.4% 0 N/A% 0 N/A%