Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8e1e5eca: 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 #519fe7ae1f6ccRun #519fe8e1e5ecaDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)924 918 -6 -0.6%
Incl. Wall Time (microsec) per call 132 131 -1 -0.6%
Excl. Wall Time (microsec)384 383 -1 -0.3%
Incl. CPU (microsecs)937 934 -3 -0.3%
Incl. CPU (microsecs) per call 134 133 -0 -0.3%
Excl. CPU (microsec)317 300 -17 -5.4%
Incl. MemUse (bytes)77,656 77,656 0 0.0%
Incl. MemUse (bytes) per call 11,094 11,094 0 0.0%
Excl. MemUse (bytes)3,784 3,784 0 0.0%
Incl. PeakMemUse (bytes)68,976 68,976 0 0.0%
Incl. PeakMemUse (bytes) per call 9,854 9,854 0 0.0%
Excl. PeakMemUse (bytes)8,056 8,056 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% -6 -2.2% -3 -1.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -16.7% -17 -566.7% 0 N/A% 0 N/A%
Parent functions
Drupal\menu_link\MenuLinkStorageController::buildQuery0 N/A% -9 -150.0% -8 -266.7% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 3 50.0% 5 166.7% 0 N/A% 0 N/A%
Drupal\user\UserData::get0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
shortcut_current_displayed_set0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Query\Select::addField0 N/A% -5 -83.3% 14 466.7% 0 N/A% 0 N/A%