Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206513e72e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #539205a48c548Run #539206513e72eDiffDiff%
Number of Function Calls196 196 0 0.0%
Incl. Wall Time (microsec)5,569 5,532 -37 -0.7%
Incl. Wall Time (microsec) per call 28 28 -0 -0.7%
Excl. Wall Time (microsec)1,309 1,297 -12 -0.9%
Incl. CPU (microsecs)5,747 5,712 -35 -0.6%
Incl. CPU (microsecs) per call 29 29 -0 -0.6%
Excl. CPU (microsec)1,108 1,122 14 1.3%
Incl. MemUse (bytes)127,256 127,256 0 0.0%
Incl. MemUse (bytes) per call 649 649 0 0.0%
Excl. MemUse (bytes)-25,712 -25,712 0 0.0%
Incl. PeakMemUse (bytes)62,632 62,632 0 0.0%
Incl. PeakMemUse (bytes) per call 320 320 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% -37 -4.1% -35 -10.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-12 -32.4% 14 40.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -37 -100.0% -35 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% -23 -62.2% -45 -128.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% -2 -5.4% -4 -11.4% 0 N/A% 0 N/A%