Diff Report
Run #5391fd5a43e70: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #5391fd5a43e70Run #5391fc871e91dDiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)1,581 1,539 -42 -2.7%
Incl. Wall Time (microsec) per call 105 103 -3 -2.7%
Excl. Wall Time (microsec)157 152 -5 -3.2%
Incl. CPU (microsecs)1,613 1,571 -42 -2.6%
Incl. CPU (microsecs) per call 108 105 -3 -2.6%
Excl. CPU (microsec)162 154 -8 -4.9%
Incl. MemUse (bytes)125,860 125,856 -4 -0.0%
Incl. MemUse (bytes) per call 8,391 8,390 -0 -0.0%
Excl. MemUse (bytes)6,704 6,704 0 0.0%
Incl. PeakMemUse (bytes)107,944 107,952 8 0.0%
Incl. PeakMemUse (bytes) per call 7,196 7,197 1 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% -42 -2.5% -42 -10.5% -4 -0.0% 8 0.0%
Exclusive Metrics Diff for Current Function-5 -11.9% -8 -19.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% -23 -54.8% -24 -57.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Merge::execute0 N/A% -16 -38.1% -17 -40.5% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityDatabaseStorage::buildQuery0 N/A% -16 -38.1% -16 -38.1% 0 0.0% 0 0.0%
db_select0 N/A% 6 14.3% 3 7.1% 0 0.0% 0 0.0%
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery0 N/A% 6 14.3% 10 23.8% -4 -100.0% 8 100.0%
Drupal\comment\CommentStatistics::read0 N/A% 3 7.1% 4 9.5% 0 0.0% 0 0.0%
Drupal\Core\Entity\ContentEntityDatabaseStorage::attachPropertyData0 N/A% -3 -7.1% -3 -7.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 1 2.4% 1 2.4% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% -41 -97.6% -40 -95.2% 0 0.0% 12 150.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 4 9.5% 6 14.3% -4 -100.0% -4 -50.0%