Diff Report
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920c043e98b: 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 #53920c043e98bDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)59 55 -4 -6.8%
Incl. Wall Time (microsec) per call 15 14 -1 -6.8%
Excl. Wall Time (microsec)31 33 2 6.5%
Incl. CPU (microsecs)73 60 -13 -17.8%
Incl. CPU (microsecs) per call 18 15 -3 -17.8%
Excl. CPU (microsec)37 25 -12 -32.4%
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 1,300 64 5.2%
Incl. PeakMemUse (bytes) per call 309 325 16 5.2%
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% -4 -1.1% -13 -7.0% 0 0.0% 64 0.6%
Exclusive Metrics Diff for Current Function2 50.0% -12 -92.3% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Config\DatabaseStorage::listAll0 N/A% -4 -100.0% -13 -100.0% 0 N/A% 64 100.0%
Child function
PDOStatement::fetchAll0 N/A% -6 -150.0% -1 -7.7% 0 N/A% 64 100.0%