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

PDO::prepareRun #52e6fcee66138Run #52e6fc5cc809eDiffDiff%
Number of Function Calls200 200 0 0.0%
Incl. Wall Time (microsec)1,791 1,824 33 1.8%
Incl. Wall Time (microsec) per call 9 9 0 1.8%
Excl. Wall Time (microsec)909 919 10 1.1%
Incl. CPU (microsecs)1,949 1,978 29 1.5%
Incl. CPU (microsecs) per call 10 10 0 1.5%
Excl. CPU (microsec)892 906 14 1.6%
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)12,176 12,312 136 1.1%
Incl. PeakMemUse (bytes) per call 61 62 1 1.1%
Excl. PeakMemUse (bytes)10,424 10,560 136 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 Function10 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%