Diff Report
Run #519d9d52c2102: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Query\Select::addExpression

Drupal\Core\Database\Query\Select::addExpressionRun #519d9d52c2102Run #519d9cf28420eDiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)46 49 3 6.5%
Incl. Wall Time (microsec) per call 4 4 0 6.5%
Excl. Wall Time (microsec)46 49 3 6.5%
Incl. CPU (microsecs)62 60 -2 -3.2%
Incl. CPU (microsecs) per call 6 5 -0 -3.2%
Excl. CPU (microsec)62 60 -2 -3.2%
Incl. MemUse (bytes)14,480 14,480 0 0.0%
Incl. MemUse (bytes) per call 1,316 1,316 0 0.0%
Excl. MemUse (bytes)14,480 14,480 0 0.0%
Incl. PeakMemUse (bytes)6,648 6,648 0 0.0%
Incl. PeakMemUse (bytes) per call 604 604 0 0.0%
Excl. PeakMemUse (bytes)6,648 6,648 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% 3 1.4% -2 -0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 100.0% -2 -100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\views\Plugin\views\query\Sql::compile_fields0 N/A% 1 33.3% -1 -50.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::prepareCountQuery0 N/A% 1 33.3% 1 50.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 1 33.3% -2 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%