Diff Report
Run #51f5bb078e5a7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51f5bb45dd257: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51f5bb078e5a7Run #51f5bb45dd257DiffDiff%
Number of Function Calls148 148 0 0.0%
Incl. Wall Time (microsec)1,392 1,350 -42 -3.0%
Incl. Wall Time (microsec) per call 9 9 -0 -3.0%
Excl. Wall Time (microsec)688 664 -24 -3.5%
Incl. CPU (microsecs)1,512 1,475 -37 -2.4%
Incl. CPU (microsecs) per call 10 10 -0 -2.4%
Excl. CPU (microsec)672 667 -5 -0.7%
Incl. MemUse (bytes)136,992 136,992 0 0.0%
Incl. MemUse (bytes) per call 926 926 0 0.0%
Excl. MemUse (bytes)127,920 127,920 0 0.0%
Incl. PeakMemUse (bytes)12,720 12,720 0 0.0%
Incl. PeakMemUse (bytes) per call 86 86 0 0.0%
Excl. PeakMemUse (bytes)10,792 10,792 0 0.0%

Parent/Child Regression/Improvement report for PDO::prepare [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
PDO::prepare0 N/A% -42 -5.6% -37 -31.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-24 -57.1% -5 -13.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -42 -100.0% -37 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -18 -42.9% -32 -86.5% 0 N/A% 0 N/A%