Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchField

Drupal\Core\Database\Statement::fetchFieldRun #51ec517fc2424Run #51ec52a09990aDiffDiff%
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)39 25 -14 -35.9%
Incl. CPU (microsecs) per call 13 8 -5 -35.9%
Excl. CPU (microsec)21 15 -6 -28.6%
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)2,312 2,312 0 0.0%
Incl. PeakMemUse (bytes) per call 771 771 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 -0.2% -14 -0.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-9 -100.0% -6 -42.9% 0 N/A% 0 N/A%
Parent functions
Drupal\shortcut\ShortcutStorageController::getAssignedToUser0 N/A% -8 -88.9% -14 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% -1 -11.1% 1 7.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% 0 0.0% -1 -7.1% 0 N/A% 0 N/A%
Child function
PDOStatement::fetchColumn0 N/A% 0 0.0% -8 -57.1% 0 N/A% 0 N/A%