Diff Report
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920c043e98b: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #53920b950c201Run #53920c043e98bDiffDiff%
Number of Function Calls153 153 0 0.0%
Incl. Wall Time (microsec)1,971 1,957 -14 -0.7%
Incl. Wall Time (microsec) per call 13 13 -0 -0.7%
Excl. Wall Time (microsec)1,007 979 -28 -2.8%
Incl. CPU (microsecs)2,095 2,081 -14 -0.7%
Incl. CPU (microsecs) per call 14 14 -0 -0.7%
Excl. CPU (microsec)984 965 -19 -1.9%
Incl. MemUse (bytes)94,448 94,448 0 0.0%
Incl. MemUse (bytes) per call 617 617 0 0.0%
Excl. MemUse (bytes)89,068 89,068 0 0.0%
Incl. PeakMemUse (bytes)31,496 31,496 0 0.0%
Incl. PeakMemUse (bytes) per call 206 206 0 0.0%
Excl. PeakMemUse (bytes)29,848 29,848 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% -14 -3.9% -14 -7.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-28 -200.0% -19 -135.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -14 -100.0% -14 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 14 100.0% 5 35.7% 0 N/A% 0 N/A%