Diff Report
Run #517d7319aefb8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d73f55c548: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #517d7319aefb8Run #517d73f55c548DiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)888 891 3 0.3%
Incl. Wall Time (microsec) per call 9 9 0 0.3%
Excl. Wall Time (microsec)444 448 4 0.9%
Incl. CPU (microsecs)969 963 -6 -0.6%
Incl. CPU (microsecs) per call 10 10 -0 -0.6%
Excl. CPU (microsec)435 430 -5 -1.1%
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 9,128 120 1.3%
Incl. PeakMemUse (bytes) per call 92 93 1 1.3%
Excl. PeakMemUse (bytes)7,192 7,256 64 0.9%

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% 3 0.0% -6 -0.1% 0 0.0% 120 0.6%
Exclusive Metrics Diff for Current Function4 133.3% -5 -83.3% 0 N/A% 64 53.3%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 3 100.0% -6 -100.0% 0 N/A% 120 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -1 -33.3% -1 -16.7% 0 N/A% 56 46.7%