Diff Report
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e43719571bf: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::preExecute

Drupal\Core\Database\Query\Select::preExecuteRun #52e436ce9c71dRun #52e43719571bfDiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)392 385 -7 -1.8%
Incl. Wall Time (microsec) per call 65 64 -1 -1.8%
Excl. Wall Time (microsec)50 48 -2 -4.0%
Incl. CPU (microsecs)400 392 -8 -2.0%
Incl. CPU (microsecs) per call 67 65 -1 -2.0%
Excl. CPU (microsec)50 47 -3 -6.0%
Incl. MemUse (bytes)25,048 25,048 0 0.0%
Incl. MemUse (bytes) per call 4,175 4,175 0 0.0%
Excl. MemUse (bytes)1,888 1,888 0 0.0%
Incl. PeakMemUse (bytes)37,656 37,656 0 0.0%
Incl. PeakMemUse (bytes) per call 6,276 6,276 0 0.0%
Excl. PeakMemUse (bytes)1,464 1,464 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Select::preExecute [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\Query\Select::preExecute0 N/A% -7 -0.6% -8 -0.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -28.6% -3 -37.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Query\Select::execute0 N/A% -7 -100.0% -8 -100.0% 0 N/A% 0 N/A%
Child functions
drupal_alter0 N/A% -6 -85.7% -5 -62.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% 1 14.3% 0 0.0% 0 N/A% 0 N/A%