Diff Report
Run #519aa45581fb3: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519aa37b5bebd: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::addExpression

Drupal\Core\Database\Query\Select::addExpressionRun #519aa45581fb3Run #519aa37b5bebdDiffDiff%
Number of Function Calls7 6 -1 -14.3%
Incl. Wall Time (microsec)54 48 -6 -11.1%
Incl. Wall Time (microsec) per call 8 8 0 3.7%
Excl. Wall Time (microsec)54 48 -6 -11.1%
Incl. CPU (microsecs)72 64 -8 -11.1%
Incl. CPU (microsecs) per call 10 11 0 3.7%
Excl. CPU (microsec)72 64 -8 -11.1%
Incl. MemUse (bytes)11,376 9,408 -1,968 -17.3%
Incl. MemUse (bytes) per call 1,625 1,568 -57 -3.5%
Excl. MemUse (bytes)11,376 9,408 -1,968 -17.3%
Incl. PeakMemUse (bytes)5,888 4,904 -984 -16.7%
Incl. PeakMemUse (bytes) per call 841 817 -24 -2.8%
Excl. PeakMemUse (bytes)5,888 4,904 -984 -16.7%

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::addExpression-1 -100.0% -6 -0.1% -8 -0.2% -1,968 -0.7% -984 -0.4%
Exclusive Metrics Diff for Current Function-6 -100.0% -8 -100.0% -1,968 -100.0% -984 -100.0%
Parent functions
Drupal\Core\Database\Query\Merge::execute-1 -100.0% -8 -133.3% -16 -200.0% -1,968 -100.0% -984 -100.0%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 0.0% 1 16.7% 1 12.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 0.0% -1 -16.7% 4 50.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::prepareCountQuery0 0.0% 1 16.7% 1 12.5% 0 0.0% 0 0.0%
forum_forum_load0 0.0% 1 16.7% 2 25.0% 0 0.0% 0 0.0%