Diff Report
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e436ce9c71d: 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 #52e4374042aceRun #52e436ce9c71dDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)124 125 1 0.8%
Incl. Wall Time (microsec) per call 18 18 0 0.8%
Excl. Wall Time (microsec)74 76 2 2.7%
Incl. CPU (microsecs)131 136 5 3.8%
Incl. CPU (microsecs) per call 19 19 1 3.8%
Excl. CPU (microsec)59 63 4 6.8%
Incl. MemUse (bytes)24,912 24,896 -16 -0.1%
Incl. MemUse (bytes) per call 3,559 3,557 -2 -0.1%
Excl. MemUse (bytes)4,064 4,064 0 0.0%
Incl. PeakMemUse (bytes)17,512 21,592 4,080 23.3%
Incl. PeakMemUse (bytes) per call 2,502 3,085 583 23.3%
Excl. PeakMemUse (bytes)3,400 4,272 872 25.6%

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% 1 0.1% 5 0.5% -16 -0.0% 4,080 5.1%
Exclusive Metrics Diff for Current Function2 200.0% 4 80.0% 0 0.0% 872 21.4%
Parent functions
Drupal\Core\Entity\FieldableDatabaseStorageController::buildQuery0 N/A% 1 100.0% -2 -40.0% -16 -100.0% 4,080 100.0%
_menu_get_legacy_tasks0 N/A% 0 0.0% 2 40.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\FieldableDatabaseStorageController::attachPropertyData0 N/A% 0 0.0% 4 80.0% 0 0.0% 0 0.0%
comment_entity_load0 N/A% 0 0.0% 1 20.0% 0 0.0% 0 0.0%
Child function
Drupal\Core\Database\Query\Select::addField0 N/A% -1 -100.0% 1 20.0% -16 -100.0% 3,208 78.6%