Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchField

Drupal\Core\Database\Statement::fetchFieldRun #534ad8dec7444Run #534ad972c8c0dDiffDiff%
Number of Function Calls16 16 0 0.0%
Incl. Wall Time (microsec)136 126 -10 -7.4%
Incl. Wall Time (microsec) per call 9 8 -1 -7.4%
Excl. Wall Time (microsec)97 91 -6 -6.2%
Incl. CPU (microsecs)172 152 -20 -11.6%
Incl. CPU (microsecs) per call 11 10 -1 -11.6%
Excl. CPU (microsec)113 93 -20 -17.7%
Incl. MemUse (bytes)3,596 3,596 0 0.0%
Incl. MemUse (bytes) per call 225 225 0 0.0%
Excl. MemUse (bytes)3,056 3,056 0 0.0%
Incl. PeakMemUse (bytes)1,592 1,592 0 0.0%
Incl. PeakMemUse (bytes) per call 100 100 0 0.0%
Excl. PeakMemUse (bytes)1,228 1,228 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% -10 -0.7% -20 -3.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-6 -60.0% -20 -100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Query\Merge::execute0 N/A% -8 -80.0% -9 -45.0% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\pager\PagerPluginBase::executeCountQuery0 N/A% -2 -20.0% -3 -15.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\PagerSelectExtender::execute0 N/A% 1 10.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Path\AliasStorage::lookupPathSource0 N/A% -1 -10.0% -8 -40.0% 0 N/A% 0 N/A%
Drupal\shortcut\ShortcutSetStorage::getAssignedToUser0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child function
PDOStatement::fetchColumn0 N/A% -4 -40.0% 0 0.0% 0 N/A% 0 N/A%