Diff Report
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923e49d2b58: 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 #53923d861ff11Run #53923e49d2b58DiffDiff%
Number of Function Calls34 34 0 0.0%
Incl. Wall Time (microsec)119 113 -6 -5.0%
Incl. Wall Time (microsec) per call 4 3 -0 -5.0%
Excl. Wall Time (microsec)119 113 -6 -5.0%
Incl. CPU (microsecs)156 152 -4 -2.6%
Incl. CPU (microsecs) per call 5 4 -0 -2.6%
Excl. CPU (microsec)156 152 -4 -2.6%
Incl. MemUse (bytes)12,908 12,908 0 0.0%
Incl. MemUse (bytes) per call 380 380 0 0.0%
Excl. MemUse (bytes)12,908 12,908 0 0.0%
Incl. PeakMemUse (bytes)5,412 5,412 0 0.0%
Incl. PeakMemUse (bytes) per call 159 159 0 0.0%
Excl. PeakMemUse (bytes)5,412 5,412 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% -6 -0.4% -4 -0.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-6 -100.0% -4 -100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% -9 -150.0% -8 -200.0% 0 N/A% 0 N/A%
comment_get_thread0 N/A% 2 33.3% 2 50.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\SelectExtender::addMetaData0 N/A% 1 16.7% -1 -25.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 0 0.0% 3 75.0% 0 N/A% 0 N/A%