Diff Report
Run #5578e29590a73: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5578e32524136: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Statement::fetchField

Drupal\Core\Database\Statement::fetchFieldRun #5578e29590a73Run #5578e32524136DiffDiff%
Number of Function Calls1 2 1 100.0%
Incl. Wall Time (microsec)4 8 4 100.0%
Incl. Wall Time (microsec) per call 4 4 0 0.0%
Excl. Wall Time (microsec)3 6 3 100.0%
Incl. MemUse (bytes)1,712 2,472 760 44.4%
Incl. MemUse (bytes) per call 1,712 1,236 -476 -27.8%
Excl. MemUse (bytes)1,048 1,776 728 69.5%
Incl. PeakMemUse (bytes)1,048 1,320 272 26.0%
Incl. PeakMemUse (bytes) per call 1,048 660 -388 -37.0%
Excl. PeakMemUse (bytes)784 1,056 272 34.7%

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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Database\Statement::fetchField1 50.0% 4 0.0% 760 0.1% 272 0.1%
Exclusive Metrics Diff for Current Function3 75.0% 728 95.8% 272 100.0%
Parent functions
Drupal\Core\Database\Query\Merge::execute1 100.0% 4 100.0% 760 100.0% 272 100.0%
Drupal\Core\Path\AliasStorage::lookupPathSource0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
PDOStatement::fetchColumn1 100.0% 1 25.0% 32 4.2% 0 0.0%