Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::addExpression

Drupal\Core\Database\Query\Select::addExpressionRun #519d44ffb3845Run #519d45fd795a4DiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)25 26 1 4.0%
Incl. Wall Time (microsec) per call 6 7 0 4.0%
Excl. Wall Time (microsec)25 26 1 4.0%
Incl. CPU (microsecs)33 35 2 6.1%
Incl. CPU (microsecs) per call 8 9 1 6.1%
Excl. CPU (microsec)33 35 2 6.1%
Incl. MemUse (bytes)4,264 4,264 0 0.0%
Incl. MemUse (bytes) per call 1,066 1,066 0 0.0%
Excl. MemUse (bytes)4,264 4,264 0 0.0%
Incl. PeakMemUse (bytes)2,672 2,672 0 0.0%
Incl. PeakMemUse (bytes) per call 668 668 0 0.0%
Excl. PeakMemUse (bytes)2,672 2,672 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% 2 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 100.0% 2 100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Query\Merge::execute0 N/A% -1 -100.0% 1 50.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 1 100.0% 1 50.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 1 100.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::prepareCountQuery0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%