Diff Report
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Query\Select::preExecute

Drupal\Core\Database\Query\Select::preExecuteRun #52e4374042aceRun #52e436ce9c71dDiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)233 392 159 68.2%
Incl. Wall Time (microsec) per call 39 65 27 68.2%
Excl. Wall Time (microsec)50 50 0 0.0%
Incl. CPU (microsecs)236 400 164 69.5%
Incl. CPU (microsecs) per call 39 67 27 69.5%
Excl. CPU (microsec)47 50 3 6.4%
Incl. MemUse (bytes)8,664 25,048 16,384 189.1%
Incl. MemUse (bytes) per call 1,444 4,175 2,731 189.1%
Excl. MemUse (bytes)1,888 1,888 0 0.0%
Incl. PeakMemUse (bytes)7,968 37,656 29,688 372.6%
Incl. PeakMemUse (bytes) per call 1,328 6,276 4,948 372.6%
Excl. PeakMemUse (bytes)1,360 1,464 104 7.6%

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% 159 13.6% 164 16.2% 16,384 20.2% 29,688 37.0%
Exclusive Metrics Diff for Current Function0 0.0% 3 1.8% 0 0.0% 104 0.4%
Parent function
Drupal\Core\Database\Query\Select::execute0 N/A% 159 100.0% 164 100.0% 16,384 100.0% 29,688 100.0%
Child functions
drupal_alter0 N/A% 160 100.6% 159 97.0% 16,384 100.0% 29,208 98.4%
Drupal\Core\Database\Query\Select::isPrepared0 N/A% -1 -0.6% 2 1.2% 0 0.0% 376 1.3%