Diff Report
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1bb406b02: 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 #517c1c27a12c9Run #517c1bb406b02DiffDiff%
Number of Function Calls1 2 1 100.0%
Incl. Wall Time (microsec)3 5 2 66.7%
Incl. Wall Time (microsec) per call 3 3 -1 -16.7%
Excl. Wall Time (microsec)3 5 2 66.7%
Incl. CPU (microsecs)4 8 4 100.0%
Incl. CPU (microsecs) per call 4 4 0 0.0%
Excl. CPU (microsec)4 8 4 100.0%
Incl. MemUse (bytes)1,840 3,640 1,800 97.8%
Incl. MemUse (bytes) per call 1,840 1,820 -20 -1.1%
Excl. MemUse (bytes)1,840 3,640 1,800 97.8%
Incl. PeakMemUse (bytes)128 1,224 1,096 856.2%
Incl. PeakMemUse (bytes) per call 128 612 484 378.1%
Excl. PeakMemUse (bytes)128 1,224 1,096 856.2%

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::addExpression1 100.0% 2 0.0% 4 0.0% 1,800 0.4% 1,096 0.2%
Exclusive Metrics Diff for Current Function2 100.0% 4 100.0% 1,800 100.0% 1,096 100.0%
Parent functions
Drupal\Core\Database\Query\Merge::execute1 100.0% 3 150.0% 4 100.0% 1,800 100.0% 1,096 100.0%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 0.0% -1 -50.0% 0 0.0% 0 0.0% 0 0.0%