Diff Report
Run #519fbb3f5c2a0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbcb7249d1: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::prepareCountQuery

Drupal\Core\Database\Query\Select::prepareCountQueryRun #519fbb3f5c2a0Run #519fbcb7249d1DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)101 96 -5 -5.0%
Incl. Wall Time (microsec) per call 101 96 -5 -5.0%
Excl. Wall Time (microsec)48 49 1 2.1%
Incl. CPU (microsecs)102 97 -5 -4.9%
Incl. CPU (microsecs) per call 102 97 -5 -4.9%
Excl. CPU (microsec)35 36 1 2.9%
Incl. MemUse (bytes)22,912 22,912 0 0.0%
Incl. MemUse (bytes) per call 22,912 22,912 0 0.0%
Excl. MemUse (bytes)5,600 5,600 0 0.0%
Incl. PeakMemUse (bytes)16,064 16,064 0 0.0%
Incl. PeakMemUse (bytes) per call 16,064 16,064 0 0.0%
Excl. PeakMemUse (bytes)4,576 4,576 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Select::prepareCountQuery [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::prepareCountQuery0 N/A% -5 -1.3% -5 -1.6% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 20.0% 1 20.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Query\Select::countQuery0 N/A% -5 -100.0% -5 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__clone0 N/A% -3 -60.0% -3 -60.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% -1 -20.0% 1 20.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::getOrderBy0 N/A% -1 -20.0% 2 40.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::getFields0 N/A% -1 -20.0% -1 -20.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::getGroupBy0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::havingConditions0 N/A% 0 0.0% -4 -80.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::getExpressions0 N/A% 0 0.0% -1 -20.0% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%