Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c1813b11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchField

Drupal\Core\Database\Statement::fetchFieldRun #51ec3b81ad265Run #51ec3c1813b11DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)20 19 -1 -5.0%
Incl. Wall Time (microsec) per call 7 6 -0 -5.0%
Excl. Wall Time (microsec)15 14 -1 -6.7%
Incl. CPU (microsecs)25 24 -1 -4.0%
Incl. CPU (microsecs) per call 8 8 -0 -4.0%
Excl. CPU (microsec)17 15 -2 -11.8%
Incl. MemUse (bytes)3,816 3,816 0 0.0%
Incl. MemUse (bytes) per call 1,272 1,272 0 0.0%
Excl. MemUse (bytes)2,968 2,968 0 0.0%
Incl. PeakMemUse (bytes)2,392 2,392 0 0.0%
Incl. PeakMemUse (bytes) per call 797 797 0 0.0%
Excl. PeakMemUse (bytes)2,000 2,000 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% -1 -0.0% -1 -0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -100.0% -2 -200.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Query\Merge::execute0 N/A% -1 -100.0% -1 -100.0% 0 N/A% 0 N/A%
Drupal\shortcut\ShortcutStorageController::getAssignedToUser0 N/A% 0 0.0% -1 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% 0 0.0% 1 100.0% 0 N/A% 0 N/A%
Child function
PDOStatement::fetchColumn0 N/A% 0 0.0% 1 100.0% 0 N/A% 0 N/A%