Diff Report
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9d52c2102: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519d9cf28420eRun #519d9d52c2102DiffDiff%
Number of Function Calls154 154 0 0.0%
Incl. Wall Time (microsec)1,937 1,954 17 0.9%
Incl. Wall Time (microsec) per call 13 13 0 0.9%
Excl. Wall Time (microsec)803 810 7 0.9%
Incl. CPU (microsecs)2,071 2,067 -4 -0.2%
Incl. CPU (microsecs) per call 13 13 -0 -0.2%
Excl. CPU (microsec)812 815 3 0.4%
Incl. MemUse (bytes)194,440 194,440 0 0.0%
Incl. MemUse (bytes) per call 1,263 1,263 0 0.0%
Excl. MemUse (bytes)192,544 192,544 0 0.0%
Incl. PeakMemUse (bytes)8,728 8,728 0 0.0%
Incl. PeakMemUse (bytes) per call 57 57 0 0.0%
Excl. PeakMemUse (bytes)7,008 7,008 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% 17 7.7% -4 -0.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function7 41.2% 3 75.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 17 100.0% -4 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 10 58.8% -7 -175.0% 0 N/A% 0 N/A%