Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62cef49a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::fields

Drupal\Core\Database\Query\Select::fieldsRun #52f2e60305388Run #52f2e62cef49aDiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)339 222 -117 -34.5%
Incl. Wall Time (microsec) per call 57 37 -20 -34.5%
Excl. Wall Time (microsec)182 136 -46 -25.3%
Incl. CPU (microsecs)355 233 -122 -34.4%
Incl. CPU (microsecs) per call 59 39 -20 -34.4%
Excl. CPU (microsec)127 86 -41 -32.3%
Incl. MemUse (bytes)41,936 41,936 0 0.0%
Incl. MemUse (bytes) per call 6,989 6,989 0 0.0%
Excl. MemUse (bytes)5,656 5,656 0 0.0%
Incl. PeakMemUse (bytes)42,192 42,192 0 0.0%
Incl. PeakMemUse (bytes) per call 7,032 7,032 0 0.0%
Excl. PeakMemUse (bytes)7,696 7,696 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% -117 -5.1% -122 -5.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-46 -39.3% -41 -33.6% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -64 -54.7% -68 -55.7% 0 N/A% 0 N/A%
Drupal\menu_link\MenuLinkStorageController::buildQuery0 N/A% -50 -42.7% -51 -41.8% 0 N/A% 0 N/A%
Drupal\shortcut\ShortcutSetStorageController::getAssignedToUser0 N/A% -2 -1.7% -2 -1.6% 0 N/A% 0 N/A%
_menu_get_legacy_tasks0 N/A% -1 -0.9% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\FieldableDatabaseStorageController::attachPropertyData0 N/A% 0 0.0% -3 -2.5% 0 N/A% 0 N/A%
Drupal\Core\Entity\FieldableDatabaseStorageController::buildQuery0 N/A% 0 0.0% 2 1.6% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Query\Select::addField0 N/A% -71 -60.7% -81 -66.4% 0 N/A% 0 N/A%