Diff Report
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb880e5974: 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 #519eb7a1537f7Run #519eb880e5974DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)309 375 66 21.4%
Incl. Wall Time (microsec) per call 155 188 33 21.4%
Excl. Wall Time (microsec)132 141 9 6.8%
Incl. CPU (microsecs)312 378 66 21.2%
Incl. CPU (microsecs) per call 156 189 33 21.2%
Excl. CPU (microsec)104 112 8 7.7%
Incl. MemUse (bytes)19,952 19,952 0 0.0%
Incl. MemUse (bytes) per call 9,976 9,976 0 0.0%
Excl. MemUse (bytes)4,488 4,480 -8 -0.2%
Incl. PeakMemUse (bytes)14,892 14,920 28 0.2%
Incl. PeakMemUse (bytes) per call 7,446 7,460 14 0.2%
Excl. PeakMemUse (bytes)4,000 4,020 20 0.5%

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% 66 1.8% 66 64.1% 0 0.0% 28 0.0%
Exclusive Metrics Diff for Current Function9 13.6% 8 12.1% -8 N/A% 20 71.4%
Parent function
Drupal\Core\Database\Query\Select::countQuery0 N/A% 66 100.0% 66 100.0% 0 N/A% 28 100.0%
Child functions
Drupal\Core\Database\Query\Select::__clone0 N/A% 53 80.3% 53 80.3% 0 N/A% 0 0.0%
array_keys0 N/A% 3 4.5% 3 4.5% 8 N/A% 8 28.6%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 1 1.5% 1 1.5% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::getOrderBy0 N/A% 0 0.0% -4 -6.1% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::getExpressions0 N/A% 0 0.0% -1 -1.5% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::getFields0 N/A% 0 0.0% 2 3.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::getGroupBy0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::havingConditions0 N/A% 0 0.0% 4 6.1% 0 N/A% 0 0.0%