Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec489b18752: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51ec485525502Run #51ec489b18752DiffDiff%
Number of Function Calls182 182 0 0.0%
Incl. Wall Time (microsec)3,781 3,776 -5 -0.1%
Incl. Wall Time (microsec) per call 21 21 -0 -0.1%
Excl. Wall Time (microsec)931 911 -20 -2.1%
Incl. CPU (microsecs)3,925 3,927 2 0.1%
Incl. CPU (microsecs) per call 22 22 0 0.1%
Excl. CPU (microsec)788 781 -7 -0.9%
Incl. MemUse (bytes)188,024 188,024 0 0.0%
Incl. MemUse (bytes) per call 1,033 1,033 0 0.0%
Excl. MemUse (bytes)-31,192 -31,192 0 0.0%
Incl. PeakMemUse (bytes)61,904 61,904 0 0.0%
Incl. PeakMemUse (bytes) per call 340 340 0 0.0%
Excl. PeakMemUse (bytes)2,816 2,816 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% -5 -0.5% 2 0.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-20 -400.0% -7 -350.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -5 -100.0% 2 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 23 460.0% 26 1300.0% 0 N/A% 0 N/A%
PDO::prepare0 N/A% -8 -160.0% -17 -850.0% 0 N/A% 0 N/A%