Diff Report
Run #519fbf2154a5e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc2983e6a9: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519fbf2154a5eRun #519fc2983e6a9DiffDiff%
Number of Function Calls23 23 0 0.0%
Incl. Wall Time (microsec)425 424 -1 -0.2%
Incl. Wall Time (microsec) per call 18 18 -0 -0.2%
Excl. Wall Time (microsec)112 109 -3 -2.7%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)18,300 18,300 0 0.0%
Incl. MemUse (bytes) per call 796 796 0 0.0%
Excl. MemUse (bytes)-2,472 -2,472 0 0.0%
Incl. PeakMemUse (bytes)9,212 9,500 288 3.1%
Incl. PeakMemUse (bytes) per call 401 413 13 3.1%
Excl. PeakMemUse (bytes)616 616 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% -1 -0.1% 0 0.0% 0 0.0% 288 0.1%
Exclusive Metrics Diff for Current Function-3 -300.0% 0 N/A% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -1 -100.0% 0 N/A% 0 N/A% 288 100.0%
Child functions
PDO::prepare0 N/A% 10 1000.0% 0 N/A% 0 N/A% 204 70.8%
Drupal\Core\Database\Connection::prefixTables0 N/A% -8 -800.0% 0 N/A% 0 N/A% 84 29.2%