Diff Report
Run #517d525cbaeb1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d51ae434de: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #517d525cbaeb1Run #517d51ae434deDiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)881 890 9 1.0%
Incl. Wall Time (microsec) per call 9 9 0 1.0%
Excl. Wall Time (microsec)453 447 -6 -1.3%
Incl. CPU (microsecs)961 974 13 1.4%
Incl. CPU (microsecs) per call 10 10 0 1.4%
Excl. CPU (microsec)440 454 14 3.2%
Incl. MemUse (bytes)90,568 90,568 0 0.0%
Incl. MemUse (bytes) per call 924 924 0 0.0%
Excl. MemUse (bytes)83,896 83,896 0 0.0%
Incl. PeakMemUse (bytes)9,072 8,936 -136 -1.5%
Incl. PeakMemUse (bytes) per call 93 91 -1 -1.5%
Excl. PeakMemUse (bytes)7,256 7,120 -136 -1.9%

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% 9 0.1% 13 0.2% 0 0.0% -136 -2.2%
Exclusive Metrics Diff for Current Function-6 -66.7% 14 107.7% 0 N/A% -136 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 9 100.0% 13 100.0% 0 N/A% -136 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 15 166.7% -1 -7.7% 0 N/A% 0 0.0%