Diff Report
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchCol

Drupal\Core\Database\Statement::fetchColRun #53923e49d2b58Run #53923d861ff11DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)97 95 -2 -2.1%
Incl. Wall Time (microsec) per call 12 12 -0 -2.1%
Excl. Wall Time (microsec)53 53 0 0.0%
Incl. CPU (microsecs)110 105 -5 -4.5%
Incl. CPU (microsecs) per call 14 13 -1 -4.5%
Excl. CPU (microsec)57 51 -6 -10.5%
Incl. MemUse (bytes)5,616 5,616 0 0.0%
Incl. MemUse (bytes) per call 702 702 0 0.0%
Excl. MemUse (bytes)1,328 1,328 0 0.0%
Incl. PeakMemUse (bytes)576 576 0 0.0%
Incl. PeakMemUse (bytes) per call 72 72 0 0.0%
Excl. PeakMemUse (bytes)508 508 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Statement::fetchCol [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::fetchCol0 N/A% -2 -0.1% -5 -0.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function0 0.0% -6 -120.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Config\DatabaseStorage::listAll0 N/A% -3 -150.0% -5 -100.0% 0 N/A% 0 N/A%
comment_get_thread0 N/A% 1 50.0% 0 0.0% 0 N/A% 0 N/A%
Child function
PDOStatement::fetchAll0 N/A% -2 -100.0% 1 20.0% 0 N/A% 0 N/A%