Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad972c8c0d: 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 #534ad8dec7444Run #534ad972c8c0dDiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)40 43 3 7.5%
Incl. Wall Time (microsec) per call 5 5 0 7.5%
Excl. Wall Time (microsec)40 43 3 7.5%
Incl. CPU (microsecs)56 58 2 3.6%
Incl. CPU (microsecs) per call 7 7 0 3.6%
Excl. CPU (microsec)56 58 2 3.6%
Incl. MemUse (bytes)6,832 6,832 0 0.0%
Incl. MemUse (bytes) per call 854 854 0 0.0%
Excl. MemUse (bytes)6,832 6,832 0 0.0%
Incl. PeakMemUse (bytes)3,868 3,868 0 0.0%
Incl. PeakMemUse (bytes) per call 484 484 0 0.0%
Excl. PeakMemUse (bytes)3,868 3,868 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 0.2% 2 0.3% 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\Core\Entity\ContentEntityDatabaseStorage::buildQuery0 N/A% 2 66.7% 2 100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% 1 33.3% 2 100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\SelectExtender::addExpression0 N/A% 0 0.0% -1 -50.0% 0 N/A% 0 N/A%
comment_get_thread0 N/A% 0 0.0% -2 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::prepareCountQuery0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 0 0.0% 1 50.0% 0 N/A% 0 N/A%