Diff Report
Run #539206aca7ae8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #539206aca7ae8Run #539205a48c548DiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)1,548 1,559 11 0.7%
Incl. Wall Time (microsec) per call 103 104 1 0.7%
Excl. Wall Time (microsec)154 164 10 6.5%
Incl. CPU (microsecs)1,577 1,587 10 0.6%
Incl. CPU (microsecs) per call 105 106 1 0.6%
Excl. CPU (microsec)157 161 4 2.5%
Incl. MemUse (bytes)125,852 125,848 -4 -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)107,876 107,856 -20 -0.0%
Incl. PeakMemUse (bytes) per call 7,192 7,190 -1 -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% 11 0.2% 10 0.3% -4 -0.0% -20 -0.0%
Exclusive Metrics Diff for Current Function10 90.9% 4 40.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\ContentEntityDatabaseStorage::attachPropertyData0 N/A% -11 -100.0% -11 -110.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery0 N/A% 9 81.8% 9 90.0% -4 -100.0% -20 -100.0%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% -7 -63.6% -8 -80.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityDatabaseStorage::buildQuery0 N/A% 6 54.5% 5 50.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 5 45.5% 6 60.0% 0 0.0% 0 0.0%
Drupal\comment\CommentStatistics::read0 N/A% 4 36.4% 5 50.0% 0 0.0% 0 0.0%
db_select0 N/A% 3 27.3% 3 30.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Merge::execute0 N/A% 2 18.2% 1 10.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 13 118.2% 10 100.0% -4 -100.0% -4 -20.0%
Drupal\Core\Database\Query\Select::__construct0 N/A% -12 -109.1% -4 -40.0% 0 0.0% -16 -80.0%