Diff Report
Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5d631cb28: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51ec5ca916d7dRun #51ec5d631cb28DiffDiff%
Number of Function Calls142 142 0 0.0%
Incl. Wall Time (microsec)2,952 2,973 21 0.7%
Incl. Wall Time (microsec) per call 21 21 0 0.7%
Excl. Wall Time (microsec)718 722 4 0.6%
Incl. CPU (microsecs)3,068 3,101 33 1.1%
Incl. CPU (microsecs) per call 22 22 0 1.1%
Excl. CPU (microsec)603 615 12 2.0%
Incl. MemUse (bytes)141,136 141,128 -8 -0.0%
Incl. MemUse (bytes) per call 994 994 -0 -0.0%
Excl. MemUse (bytes)-20,528 -20,528 0 0.0%
Incl. PeakMemUse (bytes)48,408 48,288 -120 -0.2%
Incl. PeakMemUse (bytes) per call 341 340 -1 -0.2%
Excl. PeakMemUse (bytes)2,632 2,632 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% 21 0.3% 33 0.4% -8 -0.0% -120 -0.2%
Exclusive Metrics Diff for Current Function4 19.0% 12 36.4% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 21 100.0% 33 100.0% -8 -100.0% -120 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 22 104.8% 10 30.3% 0 0.0% -40 -33.3%
PDO::prepare0 N/A% -5 -23.8% 11 33.3% -8 -100.0% -80 -66.7%