Diff Report
Run #51972fb0786ef: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519730b884300: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51972fb0786efRun #519730b884300DiffDiff%
Number of Function Calls112 112 0 0.0%
Incl. Wall Time (microsec)32,699 32,832 133 0.4%
Incl. Wall Time (microsec) per call 292 293 1 0.4%
Excl. Wall Time (microsec)12,979 13,152 173 1.3%
Incl. CPU (microsecs)4,000 0 -4,000 -100.0%
Incl. CPU (microsecs) per call 36 0 -36 -100.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)180,144 180,144 0 0.0%
Incl. MemUse (bytes) per call 1,608 1,608 0 0.0%
Excl. MemUse (bytes)168,520 168,520 0 0.0%
Incl. PeakMemUse (bytes)18,992 18,992 0 0.0%
Incl. PeakMemUse (bytes) per call 170 170 0 0.0%
Excl. PeakMemUse (bytes)15,960 15,960 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% 133 15.8% -4,000 -100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function173 130.1% -4,000 -100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 133 100.0% -4,000 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -40 -30.1% 0 0.0% 0 N/A% 0 N/A%