Diff Report
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb880e5974: 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 #519eb7a1537f7Run #519eb880e5974DiffDiff%
Number of Function Calls5 5 0 0.0%
Incl. Wall Time (microsec)30 34 4 13.3%
Incl. Wall Time (microsec) per call 6 7 1 13.3%
Excl. Wall Time (microsec)30 34 4 13.3%
Incl. CPU (microsecs)40 50 10 25.0%
Incl. CPU (microsecs) per call 8 10 2 25.0%
Excl. CPU (microsec)40 50 10 25.0%
Incl. MemUse (bytes)4,280 4,280 0 0.0%
Incl. MemUse (bytes) per call 856 856 0 0.0%
Excl. MemUse (bytes)4,280 4,280 0 0.0%
Incl. PeakMemUse (bytes)2,788 2,788 0 0.0%
Incl. PeakMemUse (bytes) per call 558 558 0 0.0%
Excl. PeakMemUse (bytes)2,788 2,788 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% 4 0.1% 10 9.7% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function4 100.0% 10 100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 3 75.0% 4 40.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::prepareCountQuery0 N/A% 1 25.0% 1 10.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 0 0.0% 5 50.0% 0 N/A% 0 N/A%