Diff Report
Run #519fe6587b366: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe7e2d7c63: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519fe6587b366Run #519fe7e2d7c63DiffDiff%
Number of Function Calls94 94 0 0.0%
Incl. Wall Time (microsec)591 568 -23 -3.9%
Incl. Wall Time (microsec) per call 6 6 -0 -3.9%
Excl. Wall Time (microsec)299 289 -10 -3.3%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)91,048 91,048 0 0.0%
Incl. MemUse (bytes) per call 969 969 0 0.0%
Excl. MemUse (bytes)84,568 84,568 0 0.0%
Incl. PeakMemUse (bytes)12,016 12,016 0 0.0%
Incl. PeakMemUse (bytes) per call 128 128 0 0.0%
Excl. PeakMemUse (bytes)10,200 10,200 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% -23 -0.7% 0 0.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-10 -43.5% 0 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -23 -100.0% 0 N/A% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -13 -56.5% 0 N/A% 0 N/A% 0 N/A%