Diff Report
Run #5219624c55207: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #521962a927d49: 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 #5219624c55207Run #521962a927d49DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)17 9 -8 -47.1%
Incl. Wall Time (microsec) per call 6 3 -3 -47.1%
Excl. Wall Time (microsec)17 9 -8 -47.1%
Incl. CPU (microsecs)20 19 -1 -5.0%
Incl. CPU (microsecs) per call 7 6 -0 -5.0%
Excl. CPU (microsec)20 19 -1 -5.0%
Incl. MemUse (bytes)5,328 5,328 0 0.0%
Incl. MemUse (bytes) per call 1,776 1,776 0 0.0%
Excl. MemUse (bytes)5,328 5,328 0 0.0%
Incl. PeakMemUse (bytes)4,448 4,448 0 0.0%
Incl. PeakMemUse (bytes) per call 1,483 1,483 0 0.0%
Excl. PeakMemUse (bytes)4,448 4,448 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% -8 -1.7% -1 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-8 -100.0% -1 -100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Query\Select::countQuery0 N/A% -4 -50.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::prepareCountQuery0 N/A% -3 -37.5% -1 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% -1 -12.5% 0 0.0% 0 N/A% 0 N/A%