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

PDO::prepareRun #51f5bb45dd257Run #51f5bb078e5a7DiffDiff%
Number of Function Calls148 148 0 0.0%
Incl. Wall Time (microsec)1,350 1,392 42 3.1%
Incl. Wall Time (microsec) per call 9 9 0 3.1%
Excl. Wall Time (microsec)664 688 24 3.6%
Incl. CPU (microsecs)1,475 1,512 37 2.5%
Incl. CPU (microsecs) per call 10 10 0 2.5%
Excl. CPU (microsec)667 672 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 Function24 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%