Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8e1e5eca: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519fe7ae1f6ccRun #519fe8e1e5ecaDiffDiff%
Number of Function Calls126 126 0 0.0%
Incl. Wall Time (microsec)1,557 1,548 -9 -0.6%
Incl. Wall Time (microsec) per call 12 12 -0 -0.6%
Excl. Wall Time (microsec)750 729 -21 -2.8%
Incl. CPU (microsecs)1,675 1,673 -2 -0.1%
Incl. CPU (microsecs) per call 13 13 -0 -0.1%
Excl. CPU (microsec)750 745 -5 -0.7%
Incl. MemUse (bytes)125,160 125,160 0 0.0%
Incl. MemUse (bytes) per call 993 993 0 0.0%
Excl. MemUse (bytes)117,144 117,144 0 0.0%
Incl. PeakMemUse (bytes)10,568 10,568 0 0.0%
Incl. PeakMemUse (bytes) per call 84 84 0 0.0%
Excl. PeakMemUse (bytes)8,640 8,640 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 -3.3% -2 -0.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-21 -233.3% -5 -250.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -9 -100.0% -2 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 12 133.3% 3 150.0% 0 N/A% 0 N/A%