Diff Report
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff79b9e81a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519ff693b4ca2Run #519ff79b9e81aDiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)1,559 1,550 -9 -0.6%
Incl. Wall Time (microsec) per call 13 13 -0 -0.6%
Excl. Wall Time (microsec)713 711 -2 -0.3%
Incl. CPU (microsecs)1,661 1,655 -6 -0.4%
Incl. CPU (microsecs) per call 14 14 -0 -0.4%
Excl. CPU (microsec)733 723 -10 -1.4%
Incl. MemUse (bytes)110,792 110,792 0 0.0%
Incl. MemUse (bytes) per call 955 955 0 0.0%
Excl. MemUse (bytes)103,256 103,256 0 0.0%
Incl. PeakMemUse (bytes)15,400 15,400 0 0.0%
Incl. PeakMemUse (bytes) per call 133 133 0 0.0%
Excl. PeakMemUse (bytes)13,584 13,584 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% -9 -1.6% -6 -0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -22.2% -10 -166.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -9 -100.0% -6 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -7 -77.8% 4 66.7% 0 N/A% 0 N/A%