Diff Report
Run #5350e2663e694: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5350e128cfd2b: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchCol

Drupal\Core\Database\Statement::fetchColRun #5350e2663e694Run #5350e128cfd2bDiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)67 65 -2 -3.0%
Incl. Wall Time (microsec) per call 7 7 -0 -3.0%
Excl. Wall Time (microsec)32 31 -1 -3.1%
Incl. CPU (microsecs)77 75 -2 -2.6%
Incl. CPU (microsecs) per call 9 8 -0 -2.6%
Excl. CPU (microsec)30 34 4 13.3%
Incl. MemUse (bytes)13,912 13,736 -176 -1.3%
Incl. MemUse (bytes) per call 1,546 1,526 -20 -1.3%
Excl. MemUse (bytes)1,608 1,592 -16 -1.0%
Incl. PeakMemUse (bytes)1,656 1,656 0 0.0%
Incl. PeakMemUse (bytes) per call 184 184 0 0.0%
Excl. PeakMemUse (bytes)800 800 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% -2 -0.1% -2 -0.1% -176 -0.8% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -50.0% 4 200.0% -16 -9.1% 0 N/A%
Parent function
Drupal\Core\Config\DatabaseStorage::listAll0 N/A% -2 -100.0% -2 -100.0% -176 -100.0% 0 N/A%
Child function
PDOStatement::fetchAll0 N/A% -1 -50.0% -6 -300.0% -160 -90.9% 0 N/A%