Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c5ab9ae4: 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 #51ec3b81ad265Run #51ec3c5ab9ae4DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)11 12 1 9.1%
Incl. Wall Time (microsec) per call 4 4 0 9.1%
Excl. Wall Time (microsec)11 12 1 9.1%
Incl. CPU (microsecs)19 16 -3 -15.8%
Incl. CPU (microsecs) per call 6 5 -1 -15.8%
Excl. CPU (microsec)19 16 -3 -15.8%
Incl. MemUse (bytes)5,328 5,328 0 0.0%
Incl. MemUse (bytes) per call 1,776 1,776 0 0.0%
Excl. MemUse (bytes)5,328 5,328 0 0.0%
Incl. PeakMemUse (bytes)4,008 4,008 0 0.0%
Incl. PeakMemUse (bytes) per call 1,336 1,336 0 0.0%
Excl. PeakMemUse (bytes)4,008 4,008 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 0.3% -3 -0.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 100.0% -3 -100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Query\Select::countQuery0 N/A% 1 100.0% -1 -33.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% 0 0.0% -3 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::prepareCountQuery0 N/A% 0 0.0% 1 33.3% 0 N/A% 0 N/A%