Diff Report
Run #5192e6f7bc551: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5192e84845baf: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchCol

Drupal\Core\Database\Statement::fetchColRun #5192e6f7bc551Run #5192e84845bafDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)16 11 -5 -31.2%
Incl. Wall Time (microsec) per call 16 11 -5 -31.2%
Excl. Wall Time (microsec)10 7 -3 -30.0%
Incl. CPU (microsecs)16 13 -3 -18.8%
Incl. CPU (microsecs) per call 16 13 -3 -18.8%
Excl. CPU (microsec)9 8 -1 -11.1%
Incl. MemUse (bytes)2,488 2,488 0 0.0%
Incl. MemUse (bytes) per call 2,488 2,488 0 0.0%
Excl. MemUse (bytes)1,176 1,176 0 0.0%
Incl. PeakMemUse (bytes)688 688 0 0.0%
Incl. PeakMemUse (bytes) per call 688 688 0 0.0%
Excl. PeakMemUse (bytes)624 624 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% -5 -1.0% -3 -0.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-3 -60.0% -1 -33.3% 0 N/A% 0 N/A%
Parent function
user_roles0 N/A% -5 -100.0% -3 -100.0% 0 N/A% 0 N/A%
Child function
PDOStatement::fetchAll0 N/A% -2 -40.0% -2 -66.7% 0 N/A% 0 N/A%