Diff Report
Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53513afe3c568: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchCol

Drupal\Core\Database\Statement::fetchColRun #535139ab6e707Run #53513afe3c568DiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)129 122 -7 -5.4%
Incl. Wall Time (microsec) per call 9 9 -1 -5.4%
Excl. Wall Time (microsec)56 50 -6 -10.7%
Incl. CPU (microsecs)142 139 -3 -2.1%
Incl. CPU (microsecs) per call 10 10 -0 -2.1%
Excl. CPU (microsec)52 47 -5 -9.6%
Incl. MemUse (bytes)26,728 26,752 24 0.1%
Incl. MemUse (bytes) per call 1,909 1,911 2 0.1%
Excl. MemUse (bytes)2,632 2,632 0 0.0%
Incl. PeakMemUse (bytes)10,264 10,224 -40 -0.4%
Incl. PeakMemUse (bytes) per call 733 730 -3 -0.4%
Excl. PeakMemUse (bytes)1,376 1,376 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% -7 -0.1% -3 -0.0% 24 0.1% -40 -0.2%
Exclusive Metrics Diff for Current Function-6 -85.7% -5 -166.7% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Config\DatabaseStorage::listAll0 N/A% -7 -100.0% -4 -133.3% 24 100.0% -40 -100.0%
comment_get_thread0 N/A% 0 0.0% 1 33.3% 0 0.0% 0 0.0%
Child function
PDOStatement::fetchAll0 N/A% -1 -14.3% 2 66.7% 24 100.0% -40 -100.0%