Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4dc9980f7: 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 #519d4cd4e396dRun #519d4dc9980f7DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)322 338 16 5.0%
Incl. Wall Time (microsec) per call 161 169 8 5.0%
Excl. Wall Time (microsec)129 136 7 5.4%
Incl. CPU (microsecs)328 343 15 4.6%
Incl. CPU (microsecs) per call 164 172 8 4.6%
Excl. CPU (microsec)105 111 6 5.7%
Incl. MemUse (bytes)19,952 19,960 8 0.0%
Incl. MemUse (bytes) per call 9,976 9,980 4 0.0%
Excl. MemUse (bytes)4,488 4,488 0 0.0%
Incl. PeakMemUse (bytes)14,892 14,900 8 0.1%
Incl. PeakMemUse (bytes) per call 7,446 7,450 4 0.1%
Excl. PeakMemUse (bytes)4,000 4,000 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% 16 0.1% 15 0.1% 8 1.2% 8 1.2%
Exclusive Metrics Diff for Current Function7 43.8% 6 40.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Query\Select::countQuery0 N/A% 16 100.0% 15 100.0% 8 100.0% 8 100.0%
Child functions
Drupal\Core\Database\Query\Select::__clone0 N/A% 8 50.0% 8 53.3% 8 100.0% 8 100.0%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 1 6.2% -1 -6.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::getOrderBy0 N/A% 0 0.0% 1 6.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::getExpressions0 N/A% 0 0.0% -1 -6.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::getFields0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::getGroupBy0 N/A% 0 0.0% 1 6.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::havingConditions0 N/A% 0 0.0% 1 6.7% 0 0.0% 0 0.0%
array_keys0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%