Diff Report
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af435181b2e: 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 #51af3d98520b7Run #51af435181b2eDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)430 422 -8 -1.9%
Incl. Wall Time (microsec) per call 108 106 -2 -1.9%
Excl. Wall Time (microsec)186 190 4 2.2%
Incl. CPU (microsecs)434 428 -6 -1.4%
Incl. CPU (microsecs) per call 109 107 -2 -1.4%
Excl. CPU (microsec)134 139 5 3.7%
Incl. MemUse (bytes)46,576 46,592 16 0.0%
Incl. MemUse (bytes) per call 11,644 11,648 4 0.0%
Excl. MemUse (bytes)2,920 2,920 0 0.0%
Incl. PeakMemUse (bytes)30,440 30,448 8 0.0%
Incl. PeakMemUse (bytes) per call 7,610 7,612 2 0.0%
Excl. PeakMemUse (bytes)1,952 1,952 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% -8 -1.0% -6 -0.6% 16 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function4 50.0% 5 83.3% 0 0.0% 0 0.0%
Parent functions
Drupal\menu_link\MenuLinkStorageController::buildQuery0 N/A% -10 -125.0% -10 -166.7% 0 0.0% 0 0.0%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 2 25.0% 2 33.3% 16 100.0% 8 100.0%
menu_local_tasks0 N/A% 0 0.0% 2 33.3% 0 0.0% 0 0.0%
Child function
Drupal\Core\Database\Query\Select::addField0 N/A% -12 -150.0% -11 -183.3% 16 100.0% 8 100.0%