Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::addMetaData

Drupal\Core\Database\Query\Select::addMetaDataRun #534ad8dec7444Run #534ad972c8c0dDiffDiff%
Number of Function Calls38 38 0 0.0%
Incl. Wall Time (microsec)136 140 4 2.9%
Incl. Wall Time (microsec) per call 4 4 0 2.9%
Excl. Wall Time (microsec)136 140 4 2.9%
Incl. CPU (microsecs)194 185 -9 -4.6%
Incl. CPU (microsecs) per call 5 5 -0 -4.6%
Excl. CPU (microsec)194 185 -9 -4.6%
Incl. MemUse (bytes)14,360 14,360 0 0.0%
Incl. MemUse (bytes) per call 378 378 0 0.0%
Excl. MemUse (bytes)14,360 14,360 0 0.0%
Incl. PeakMemUse (bytes)8,840 8,840 0 0.0%
Incl. PeakMemUse (bytes) per call 233 233 0 0.0%
Excl. PeakMemUse (bytes)8,840 8,840 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Select::addMetaData [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\Query\Select::addMetaData0 N/A% 4 0.3% -9 -1.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 100.0% -9 -100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 2 50.0% 2 22.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 2 50.0% -3 -33.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\SelectExtender::addMetaData0 N/A% 1 25.0% -2 -22.2% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% -1 -25.0% -2 -22.2% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::execute0 N/A% 0 0.0% -2 -22.2% 0 N/A% 0 N/A%
comment_get_thread0 N/A% 0 0.0% -2 -22.2% 0 N/A% 0 N/A%