Diff Report
Run #519f012418c24: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519f02278cd90: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::addExpression

Drupal\Core\Database\Query\Select::addExpressionRun #519f012418c24Run #519f02278cd90DiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)17 18 1 5.9%
Incl. Wall Time (microsec) per call 3 3 0 5.9%
Excl. Wall Time (microsec)17 18 1 5.9%
Incl. CPU (microsecs)30 26 -4 -13.3%
Incl. CPU (microsecs) per call 5 4 -1 -13.3%
Excl. CPU (microsec)30 26 -4 -13.3%
Incl. MemUse (bytes)8,896 8,896 0 0.0%
Incl. MemUse (bytes) per call 1,483 1,483 0 0.0%
Excl. MemUse (bytes)8,896 8,896 0 0.0%
Incl. PeakMemUse (bytes)3,176 3,176 0 0.0%
Incl. PeakMemUse (bytes) per call 529 529 0 0.0%
Excl. PeakMemUse (bytes)3,176 3,176 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Select::addExpression [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::addExpression0 N/A% 1 0.0% -4 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 100.0% -4 -100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 1 100.0% -1 -25.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 0 0.0% 1 25.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::prepareCountQuery0 N/A% 0 0.0% -4 -100.0% 0 N/A% 0 N/A%