Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206aca7ae8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchCol

Drupal\Core\Database\Statement::fetchColRun #539205a48c548Run #539206aca7ae8DiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)82 72 -10 -12.2%
Incl. Wall Time (microsec) per call 14 12 -2 -12.2%
Excl. Wall Time (microsec)49 37 -12 -24.5%
Incl. CPU (microsecs)90 87 -3 -3.3%
Incl. CPU (microsecs) per call 15 15 -1 -3.3%
Excl. CPU (microsec)37 45 8 21.6%
Incl. MemUse (bytes)4,364 4,364 0 0.0%
Incl. MemUse (bytes) per call 727 727 0 0.0%
Excl. MemUse (bytes)820 820 0 0.0%
Incl. PeakMemUse (bytes)1,148 1,148 0 0.0%
Incl. PeakMemUse (bytes) per call 191 191 0 0.0%
Excl. PeakMemUse (bytes)532 532 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% -10 -0.2% -3 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-12 -120.0% 8 266.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Config\DatabaseStorage::listAll0 N/A% -10 -100.0% -3 -100.0% 0 N/A% 0 N/A%
Child function
PDOStatement::fetchAll0 N/A% 2 20.0% -11 -366.7% 0 N/A% 0 N/A%