Diff Report
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchField

Drupal\Core\Database\Statement::fetchFieldRun #517c1c27a12c9Run #517c1bb406b02DiffDiff%
Number of Function Calls1 2 1 100.0%
Incl. Wall Time (microsec)9 15 6 66.7%
Incl. Wall Time (microsec) per call 9 8 -2 -16.7%
Excl. Wall Time (microsec)7 12 5 71.4%
Incl. CPU (microsecs)11 19 8 72.7%
Incl. CPU (microsecs) per call 11 10 -2 -13.6%
Excl. CPU (microsec)8 13 5 62.5%
Incl. MemUse (bytes)2,008 2,880 872 43.4%
Incl. MemUse (bytes) per call 2,008 1,440 -568 -28.3%
Excl. MemUse (bytes)1,200 2,072 872 72.7%
Incl. PeakMemUse (bytes)0 512 512 N/A%
Incl. PeakMemUse (bytes) per call 0 256 256 N/A%
Excl. PeakMemUse (bytes)0 512 512 N/A%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Statement::fetchField [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::fetchField1 50.0% 6 0.0% 8 0.0% 872 0.2% 512 0.1%
Exclusive Metrics Diff for Current Function5 83.3% 5 62.5% 872 100.0% 512 100.0%
Parent functions
Drupal\Core\Database\Query\Merge::execute1 100.0% 7 116.7% 9 112.5% 872 100.0% 512 100.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 0.0% -1 -16.7% -1 -12.5% 0 0.0% 0 0.0%
Child function
PDOStatement::fetchColumn1 100.0% 1 16.7% 3 37.5% 0 0.0% 0 0.0%