Diff Report
Run #52e6fc5cc809e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e6fcee66138: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52e6fc5cc809eRun #52e6fcee66138DiffDiff%
Number of Function Calls200 200 0 0.0%
Incl. Wall Time (microsec)1,824 1,791 -33 -1.8%
Incl. Wall Time (microsec) per call 9 9 -0 -1.8%
Excl. Wall Time (microsec)919 909 -10 -1.1%
Incl. CPU (microsecs)1,978 1,949 -29 -1.5%
Incl. CPU (microsecs) per call 10 10 -0 -1.5%
Excl. CPU (microsec)906 892 -14 -1.5%
Incl. MemUse (bytes)189,248 189,248 0 0.0%
Incl. MemUse (bytes) per call 946 946 0 0.0%
Excl. MemUse (bytes)177,744 177,744 0 0.0%
Incl. PeakMemUse (bytes)12,312 12,176 -136 -1.1%
Incl. PeakMemUse (bytes) per call 62 61 -1 -1.1%
Excl. PeakMemUse (bytes)10,560 10,424 -136 -1.3%

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% -33 -1.3% -29 -1.1% 0 0.0% -136 -0.2%
Exclusive Metrics Diff for Current Function-10 -30.3% -14 -48.3% 0 N/A% -136 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -33 -100.0% -29 -100.0% 0 N/A% -136 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -23 -69.7% -15 -51.7% 0 N/A% 0 0.0%