Diff Report
Run #517c1836bbd84: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1770a3264: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #517c1836bbd84Run #517c1770a3264DiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)902 894 -8 -0.9%
Incl. Wall Time (microsec) per call 9 9 -0 -0.9%
Excl. Wall Time (microsec)450 449 -1 -0.2%
Incl. CPU (microsecs)974 978 4 0.4%
Incl. CPU (microsecs) per call 10 10 0 0.4%
Excl. CPU (microsec)432 457 25 5.8%
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)9,008 8,816 -192 -2.1%
Incl. PeakMemUse (bytes) per call 92 90 -2 -2.1%
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% -8 -0.5% 4 0.3% 0 0.0% -192 -3.2%
Exclusive Metrics Diff for Current Function-1 -12.5% 25 625.0% 0 N/A% -136 -70.8%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -8 -100.0% 4 100.0% 0 N/A% -192 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -7 -87.5% -21 -525.0% 0 N/A% -56 -29.2%