Diff Report
Run #52d4b590e6e18: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b60c154f6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::fields

Drupal\Core\Database\Query\Select::fieldsRun #52d4b590e6e18Run #52d4b60c154f6DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)104 124 20 19.2%
Incl. Wall Time (microsec) per call 15 18 3 19.2%
Excl. Wall Time (microsec)61 61 0 0.0%
Incl. CPU (microsecs)112 134 22 19.6%
Incl. CPU (microsecs) per call 16 19 3 19.6%
Excl. CPU (microsec)51 49 -2 -3.9%
Incl. MemUse (bytes)23,648 23,672 24 0.1%
Incl. MemUse (bytes) per call 3,378 3,382 3 0.1%
Excl. MemUse (bytes)4,760 4,760 0 0.0%
Incl. PeakMemUse (bytes)16,728 16,752 24 0.1%
Incl. PeakMemUse (bytes) per call 2,390 2,393 3 0.1%
Excl. PeakMemUse (bytes)4,680 4,680 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Select::fields [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::fields0 N/A% 20 0.7% 22 0.9% 24 0.0% 24 0.0%
Exclusive Metrics Diff for Current Function0 0.0% -2 -9.1% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\FieldableDatabaseStorageController::buildQuery0 N/A% 24 120.0% 24 109.1% 24 100.0% 24 100.0%
_menu_get_legacy_tasks0 N/A% -1 -5.0% -1 -4.5% 0 0.0% 0 0.0%
Drupal\forum\ForumManager::getLastPost0 N/A% -1 -5.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\forum\ForumManager::getForumStatistics0 N/A% -1 -5.0% -3 -13.6% 0 0.0% 0 0.0%
Drupal\taxonomy\TermStorageController::loadTree0 N/A% -1 -5.0% 2 9.1% 0 0.0% 0 0.0%
Child function
Drupal\Core\Database\Query\Select::addField0 N/A% 20 100.0% 24 109.1% 24 100.0% 24 100.0%