Diff Report
Run #51ec6582d0962: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51ec6582d0962Run #51ec623000e0cDiffDiff%
Number of Function Calls300 300 0 0.0%
Incl. Wall Time (microsec)2,822 2,804 -18 -0.6%
Incl. Wall Time (microsec) per call 9 9 -0 -0.6%
Excl. Wall Time (microsec)1,366 1,353 -13 -1.0%
Incl. CPU (microsecs)3,065 3,036 -29 -0.9%
Incl. CPU (microsecs) per call 10 10 -0 -0.9%
Excl. CPU (microsec)1,393 1,369 -24 -1.7%
Incl. MemUse (bytes)267,688 267,688 0 0.0%
Incl. MemUse (bytes) per call 892 892 0 0.0%
Excl. MemUse (bytes)251,272 251,272 0 0.0%
Incl. PeakMemUse (bytes)14,336 14,336 0 0.0%
Incl. PeakMemUse (bytes) per call 48 48 0 0.0%
Excl. PeakMemUse (bytes)12,352 12,352 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% -18 -0.7% -29 -2.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-13 -72.2% -24 -82.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -18 -100.0% -29 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -5 -27.8% -5 -17.2% 0 N/A% 0 N/A%