Diff Report
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchField

Drupal\Core\Database\Statement::fetchFieldRun #517c75d3de7c7Run #517c76da9b0d3DiffDiff%
Number of Function Calls2 1 -1 -50.0%
Incl. Wall Time (microsec)15 14 -1 -6.7%
Incl. Wall Time (microsec) per call 8 14 7 86.7%
Excl. Wall Time (microsec)11 12 1 9.1%
Incl. CPU (microsecs)25 15 -10 -40.0%
Incl. CPU (microsecs) per call 13 15 3 20.0%
Excl. CPU (microsec)18 12 -6 -33.3%
Incl. MemUse (bytes)2,880 2,008 -872 -30.3%
Incl. MemUse (bytes) per call 1,440 2,008 568 39.4%
Excl. MemUse (bytes)2,072 1,200 -872 -42.1%
Incl. PeakMemUse (bytes)512 0 -512 -100.0%
Incl. PeakMemUse (bytes) per call 256 0 -256 -100.0%
Excl. PeakMemUse (bytes)512 0 -512 -100.0%

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::fetchField-1 -50.0% -1 -0.0% -10 -0.0% -872 -0.4% -512 -0.1%
Exclusive Metrics Diff for Current Function1 100.0% -6 -60.0% -872 -100.0% -512 -100.0%
Parent functions
Drupal\Core\Database\Query\Merge::execute-1 -100.0% -9 -900.0% -17 -170.0% -872 -100.0% -512 -100.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 0.0% 8 800.0% 7 70.0% 0 0.0% 0 0.0%
Child function
PDOStatement::fetchColumn-1 -100.0% -2 -200.0% -4 -40.0% 0 0.0% 0 0.0%