Diff Report
Run #519ffa45eeaa4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ffa0e6cdec: 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 #519ffa45eeaa4Run #519ffa0e6cdecDiffDiff%
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)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)5,224 5,224 0 0.0%
Incl. MemUse (bytes) per call 1,741 1,741 0 0.0%
Excl. MemUse (bytes)5,224 5,224 0 0.0%
Incl. PeakMemUse (bytes)3,104 3,104 0 0.0%
Incl. PeakMemUse (bytes) per call 1,035 1,035 0 0.0%
Excl. PeakMemUse (bytes)3,104 3,104 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 -1.5% 0 0.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -100.0% 0 N/A% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Query\SelectExtender::addExpression0 N/A% -9 -112.5% 0 N/A% 0 N/A% 0 N/A%
comment_get_thread0 N/A% 1 12.5% 0 N/A% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%