Diff Report
Run #518b13c95a609: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518b14dd8356b: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchCol

Drupal\Core\Database\Statement::fetchColRun #518b13c95a609Run #518b14dd8356bDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)45 39 -6 -13.3%
Incl. Wall Time (microsec) per call 23 20 -3 -13.3%
Excl. Wall Time (microsec)16 13 -3 -18.8%
Incl. CPU (microsecs)48 41 -7 -14.6%
Incl. CPU (microsecs) per call 24 21 -4 -14.6%
Excl. CPU (microsec)15 13 -2 -13.3%
Incl. MemUse (bytes)12,352 12,352 0 0.0%
Incl. MemUse (bytes) per call 6,176 6,176 0 0.0%
Excl. MemUse (bytes)2,024 2,024 0 0.0%
Incl. PeakMemUse (bytes)5,000 5,000 0 0.0%
Incl. PeakMemUse (bytes) per call 2,500 2,500 0 0.0%
Excl. PeakMemUse (bytes)1,200 1,200 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% -6 -0.8% -7 -1.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -50.0% -2 -28.6% 0 N/A% 0 N/A%
Parent functions
user_roles0 N/A% -4 -66.7% -4 -57.1% 0 N/A% 0 N/A%
comment_get_thread0 N/A% -2 -33.3% -3 -42.9% 0 N/A% 0 N/A%
Child function
PDOStatement::fetchAll0 N/A% -3 -50.0% -5 -71.4% 0 N/A% 0 N/A%