Diff Report
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519ac1c42d00d: 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 #519abf80bb905Run #519ac1c42d00dDiffDiff%
Number of Function Calls6 7 1 16.7%
Incl. Wall Time (microsec)53 56 3 5.7%
Incl. Wall Time (microsec) per call 9 8 -1 -9.4%
Excl. Wall Time (microsec)53 56 3 5.7%
Incl. CPU (microsecs)64 76 12 18.8%
Incl. CPU (microsecs) per call 11 11 0 1.8%
Excl. CPU (microsec)64 76 12 18.8%
Incl. MemUse (bytes)10,344 12,312 1,968 19.0%
Incl. MemUse (bytes) per call 1,724 1,759 35 2.0%
Excl. MemUse (bytes)10,344 12,312 1,968 19.0%
Incl. PeakMemUse (bytes)7,408 8,392 984 13.3%
Incl. PeakMemUse (bytes) per call 1,235 1,199 -36 -2.9%
Excl. PeakMemUse (bytes)7,408 8,392 984 13.3%

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::addExpression1 100.0% 3 0.0% 12 0.1% 1,968 1.3% 984 0.1%
Exclusive Metrics Diff for Current Function3 100.0% 12 100.0% 1,968 100.0% 984 100.0%
Parent functions
Drupal\Core\Database\Query\Merge::execute1 100.0% 8 266.7% 11 91.7% 1,968 100.0% 984 100.0%
forum_get_topics0 0.0% -4 -133.3% -3 -25.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 0.0% -2 -66.7% -2 -16.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 0.0% -1 -33.3% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\SelectExtender::addExpression0 0.0% 1 33.3% 1 8.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::prepareCountQuery0 0.0% 1 33.3% 5 41.7% 0 0.0% 0 0.0%