Diff Report
Run #518080a5ca60d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518081a41c05e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #518080a5ca60dRun #518081a41c05eDiffDiff%
Number of Function Calls100 100 0 0.0%
Incl. Wall Time (microsec)888 911 23 2.6%
Incl. Wall Time (microsec) per call 9 9 0 2.6%
Excl. Wall Time (microsec)448 456 8 1.8%
Incl. CPU (microsecs)976 1,000 24 2.5%
Incl. CPU (microsecs) per call 10 10 0 2.5%
Excl. CPU (microsec)446 463 17 3.8%
Incl. MemUse (bytes)92,968 92,952 -16 -0.0%
Incl. MemUse (bytes) per call 930 930 -0 -0.0%
Excl. MemUse (bytes)86,200 86,184 -16 -0.0%
Incl. PeakMemUse (bytes)9,200 9,336 136 1.5%
Incl. PeakMemUse (bytes) per call 92 93 1 1.5%
Excl. PeakMemUse (bytes)7,392 7,528 136 1.8%

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% 23 1.9% 24 1.9% -16 -0.4% 136 3.1%
Exclusive Metrics Diff for Current Function8 34.8% 17 70.8% -16 -100.0% 136 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 23 100.0% 24 100.0% -16 -100.0% 136 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 15 65.2% 7 29.2% 0 0.0% 0 0.0%