Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206513e72e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchField

Drupal\Core\Database\Statement::fetchFieldRun #539205a48c548Run #539206513e72eDiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)100 89 -11 -11.0%
Incl. Wall Time (microsec) per call 8 7 -1 -11.0%
Excl. Wall Time (microsec)76 65 -11 -14.5%
Incl. CPU (microsecs)113 106 -7 -6.2%
Incl. CPU (microsecs) per call 9 8 -1 -6.2%
Excl. CPU (microsec)73 69 -4 -5.5%
Incl. MemUse (bytes)2,956 2,956 0 0.0%
Incl. MemUse (bytes) per call 227 227 0 0.0%
Excl. MemUse (bytes)2,480 2,480 0 0.0%
Incl. PeakMemUse (bytes)1,324 1,324 0 0.0%
Incl. PeakMemUse (bytes) per call 102 102 0 0.0%
Excl. PeakMemUse (bytes)932 932 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Statement::fetchField [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\Statement::fetchField0 N/A% -11 -1.2% -7 -2.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-11 -100.0% -4 -57.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Path\AliasStorage::lookupPathSource0 N/A% -6 -54.5% -2 -28.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% -3 -27.3% -1 -14.3% 0 N/A% 0 N/A%
Drupal\shortcut\ShortcutSetStorage::getAssignedToUser0 N/A% -1 -9.1% -2 -28.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Query::result0 N/A% -1 -9.1% -2 -28.6% 0 N/A% 0 N/A%
Child function
PDOStatement::fetchColumn0 N/A% 0 0.0% -3 -42.9% 0 N/A% 0 N/A%