Diff Report
Run #519a6b3fa9c9c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519a6c2cb620c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519a6b3fa9c9cRun #519a6c2cb620cDiffDiff%
Number of Function Calls105 105 0 0.0%
Incl. Wall Time (microsec)1,065 1,040 -25 -2.3%
Incl. Wall Time (microsec) per call 10 10 -0 -2.3%
Excl. Wall Time (microsec)497 487 -10 -2.0%
Incl. CPU (microsecs)1,180 1,143 -37 -3.1%
Incl. CPU (microsecs) per call 11 11 -0 -3.1%
Excl. CPU (microsec)538 518 -20 -3.7%
Incl. MemUse (bytes)101,176 101,176 0 0.0%
Incl. MemUse (bytes) per call 964 964 0 0.0%
Excl. MemUse (bytes)94,168 94,168 0 0.0%
Incl. PeakMemUse (bytes)5,152 5,152 0 0.0%
Incl. PeakMemUse (bytes) per call 49 49 0 0.0%
Excl. PeakMemUse (bytes)5,152 5,152 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% -25 -3.2% -37 -4.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-10 -40.0% -20 -54.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -25 -100.0% -37 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -15 -60.0% -17 -45.9% 0 N/A% 0 N/A%