Diff Report
Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5cfb002ea: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchField

Drupal\Core\Database\Statement::fetchFieldRun #51ec5ca916d7dRun #51ec5cfb002eaDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)29 21 -8 -27.6%
Incl. Wall Time (microsec) per call 10 7 -3 -27.6%
Excl. Wall Time (microsec)16 15 -1 -6.2%
Incl. CPU (microsecs)34 27 -7 -20.6%
Incl. CPU (microsecs) per call 11 9 -2 -20.6%
Excl. CPU (microsec)17 17 0 0.0%
Incl. MemUse (bytes)3,840 3,840 0 0.0%
Incl. MemUse (bytes) per call 1,280 1,280 0 0.0%
Excl. MemUse (bytes)2,968 2,968 0 0.0%
Incl. PeakMemUse (bytes)2,112 2,112 0 0.0%
Incl. PeakMemUse (bytes) per call 704 704 0 0.0%
Excl. PeakMemUse (bytes)1,904 1,904 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% -8 -0.5% -7 -7.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -12.5% 0 0.0% 0 N/A% 0 N/A%
Parent functions
Drupal\views\Plugin\views\pager\PagerPluginBase::executeCountQuery0 N/A% -8 -100.0% -8 -114.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% -1 -12.5% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% 1 12.5% 1 14.3% 0 N/A% 0 N/A%
Child function
PDOStatement::fetchColumn0 N/A% -7 -87.5% -7 -100.0% 0 N/A% 0 N/A%