Diff Report
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4374042ace: 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 #52e436ce9c71dRun #52e4374042aceDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)125 124 -1 -0.8%
Incl. Wall Time (microsec) per call 18 18 -0 -0.8%
Excl. Wall Time (microsec)76 74 -2 -2.6%
Incl. CPU (microsecs)136 131 -5 -3.7%
Incl. CPU (microsecs) per call 19 19 -1 -3.7%
Excl. CPU (microsec)63 59 -4 -6.3%
Incl. MemUse (bytes)24,896 24,912 16 0.1%
Incl. MemUse (bytes) per call 3,557 3,559 2 0.1%
Excl. MemUse (bytes)4,064 4,064 0 0.0%
Incl. PeakMemUse (bytes)21,592 17,512 -4,080 -18.9%
Incl. PeakMemUse (bytes) per call 3,085 2,502 -583 -18.9%
Excl. PeakMemUse (bytes)4,272 3,400 -872 -20.4%

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 Function-2 -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%