Diff Report
Run #519fbb3f5c2a0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbca569199: 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 #519fbca569199DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)101 92 -9 -8.9%
Incl. Wall Time (microsec) per call 101 92 -9 -8.9%
Excl. Wall Time (microsec)48 45 -3 -6.2%
Incl. CPU (microsecs)102 94 -8 -7.8%
Incl. CPU (microsecs) per call 102 94 -8 -7.8%
Excl. CPU (microsec)35 32 -3 -8.6%
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% -9 -1.4% -8 -2.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -33.3% -3 -37.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Query\Select::countQuery0 N/A% -9 -100.0% -8 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__clone0 N/A% -4 -44.4% -4 -50.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% -1 -11.1% 1 12.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::getOrderBy0 N/A% -1 -11.1% 1 12.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::getExpressions0 N/A% 0 0.0% -1 -12.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::getFields0 N/A% 0 0.0% 0 0.0% 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% -1 -12.5% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% -1 -12.5% 0 N/A% 0 N/A%