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

PDO::prepareRun #519d9d52c2102Run #519d9cf28420eDiffDiff%
Number of Function Calls154 154 0 0.0%
Incl. Wall Time (microsec)1,954 1,937 -17 -0.9%
Incl. Wall Time (microsec) per call 13 13 -0 -0.9%
Excl. Wall Time (microsec)810 803 -7 -0.9%
Incl. CPU (microsecs)2,067 2,071 4 0.2%
Incl. CPU (microsecs) per call 13 13 0 0.2%
Excl. CPU (microsec)815 812 -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 Function-7 -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%