Diff Report
Run #519eb880e5974: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7a1537f7: 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 #519eb880e5974Run #519eb7a1537f7DiffDiff%
Number of Function Calls5 5 0 0.0%
Incl. Wall Time (microsec)34 30 -4 -11.8%
Incl. Wall Time (microsec) per call 7 6 -1 -11.8%
Excl. Wall Time (microsec)34 30 -4 -11.8%
Incl. CPU (microsecs)50 40 -10 -20.0%
Incl. CPU (microsecs) per call 10 8 -2 -20.0%
Excl. CPU (microsec)50 40 -10 -20.0%
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 Function-4 -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%