Diff Report
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978d2b1f3d1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51978cc86c728Run #51978d2b1f3d1DiffDiff%
Number of Function Calls133 133 0 0.0%
Incl. Wall Time (microsec)1,185 1,169 -16 -1.4%
Incl. Wall Time (microsec) per call 9 9 -0 -1.4%
Excl. Wall Time (microsec)578 579 1 0.2%
Incl. CPU (microsecs)1,318 1,293 -25 -1.9%
Incl. CPU (microsecs) per call 10 10 -0 -1.9%
Excl. CPU (microsec)607 582 -25 -4.1%
Incl. MemUse (bytes)128,056 128,056 0 0.0%
Incl. MemUse (bytes) per call 963 963 0 0.0%
Excl. MemUse (bytes)119,704 119,704 0 0.0%
Incl. PeakMemUse (bytes)3,688 3,688 0 0.0%
Incl. PeakMemUse (bytes) per call 28 28 0 0.0%
Excl. PeakMemUse (bytes)3,632 3,632 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% -16 -4.0% -25 -2.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 6.2% -25 -100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -16 -100.0% -25 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -17 -106.2% 0 0.0% 0 N/A% 0 N/A%