Diff Report
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fcf6ab927: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #5391fc871e91dRun #5391fcf6ab927DiffDiff%
Number of Function Calls189 189 0 0.0%
Incl. Wall Time (microsec)5,277 5,316 39 0.7%
Incl. Wall Time (microsec) per call 28 28 0 0.7%
Excl. Wall Time (microsec)1,228 1,245 17 1.4%
Incl. CPU (microsecs)5,497 5,507 10 0.2%
Incl. CPU (microsecs) per call 29 29 0 0.2%
Excl. CPU (microsec)1,085 1,084 -1 -0.1%
Incl. MemUse (bytes)123,156 123,156 0 0.0%
Incl. MemUse (bytes) per call 652 652 0 0.0%
Excl. MemUse (bytes)-24,936 -24,936 0 0.0%
Incl. PeakMemUse (bytes)62,412 62,412 0 0.0%
Incl. PeakMemUse (bytes) per call 330 330 0 0.0%
Excl. PeakMemUse (bytes)848 848 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::prepareQuery [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\Connection::prepareQuery0 N/A% 39 2.4% 10 0.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function17 43.6% -1 -10.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 39 100.0% 10 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 21 53.8% 26 260.0% 0 N/A% 0 N/A%
PDO::prepare0 N/A% 1 2.6% -15 -150.0% 0 N/A% 0 N/A%