Diff Report
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920bd97d62d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchCol

Drupal\Core\Database\Statement::fetchColRun #53920b950c201Run #53920bd97d62dDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)59 49 -10 -16.9%
Incl. Wall Time (microsec) per call 15 12 -3 -16.9%
Excl. Wall Time (microsec)31 26 -5 -16.1%
Incl. CPU (microsecs)73 54 -19 -26.0%
Incl. CPU (microsecs) per call 18 14 -5 -26.0%
Excl. CPU (microsec)37 24 -13 -35.1%
Incl. MemUse (bytes)3,400 3,400 0 0.0%
Incl. MemUse (bytes) per call 850 850 0 0.0%
Excl. MemUse (bytes)764 764 0 0.0%
Incl. PeakMemUse (bytes)1,236 1,236 0 0.0%
Incl. PeakMemUse (bytes) per call 309 309 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 -2.2% -19 -4.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -50.0% -13 -68.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Config\DatabaseStorage::listAll0 N/A% -10 -100.0% -19 -100.0% 0 N/A% 0 N/A%
Child function
PDOStatement::fetchAll0 N/A% -5 -50.0% -6 -31.6% 0 N/A% 0 N/A%