Diff Report
Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5cfb002ea: 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 #51ec5ca916d7dRun #51ec5cfb002eaDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)171 163 -8 -4.7%
Incl. Wall Time (microsec) per call 86 82 -4 -4.7%
Excl. Wall Time (microsec)77 74 -3 -3.9%
Incl. CPU (microsecs)174 165 -9 -5.2%
Incl. CPU (microsecs) per call 87 83 -5 -5.2%
Excl. CPU (microsec)57 55 -2 -3.5%
Incl. MemUse (bytes)32,328 32,328 0 0.0%
Incl. MemUse (bytes) per call 16,164 16,164 0 0.0%
Excl. MemUse (bytes)9,360 9,360 0 0.0%
Incl. PeakMemUse (bytes)17,320 17,320 0 0.0%
Incl. PeakMemUse (bytes) per call 8,660 8,660 0 0.0%
Excl. PeakMemUse (bytes)5,152 5,152 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% -8 -0.5% -9 -9.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -37.5% -2 -22.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Query\Select::countQuery0 N/A% -8 -100.0% -9 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__clone0 N/A% -3 -37.5% -3 -33.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::havingConditions0 N/A% -1 -12.5% -1 -11.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::getOrderBy0 N/A% -1 -12.5% -1 -11.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::getExpressions0 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::getFields0 N/A% 0 0.0% -2 -22.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::getGroupBy0 N/A% 0 0.0% -2 -22.2% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%