Diff Report
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchField

Drupal\Core\Database\Statement::fetchFieldRun #51ec3c5ab9ae4Run #51ec3b81ad265DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)29 20 -9 -31.0%
Incl. Wall Time (microsec) per call 10 7 -3 -31.0%
Excl. Wall Time (microsec)24 15 -9 -37.5%
Incl. CPU (microsecs)34 25 -9 -26.5%
Incl. CPU (microsecs) per call 11 8 -3 -26.5%
Excl. CPU (microsec)25 17 -8 -32.0%
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% -9 -2.4% -9 -0.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-9 -100.0% -8 -88.9% 0 N/A% 0 N/A%
Parent functions
Drupal\shortcut\ShortcutStorageController::getAssignedToUser0 N/A% -8 -88.9% -8 -88.9% 0 N/A% 0 N/A%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% -1 -11.1% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
Child function
PDOStatement::fetchColumn0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%