Diff Report
Run #52c641a950046: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c642960e9a6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52c641a950046Run #52c642960e9a6DiffDiff%
Number of Function Calls159 159 0 0.0%
Incl. Wall Time (microsec)1,297 1,316 19 1.5%
Incl. Wall Time (microsec) per call 8 8 0 1.5%
Excl. Wall Time (microsec)618 634 16 2.6%
Incl. CPU (microsecs)1,428 1,441 13 0.9%
Incl. CPU (microsecs) per call 9 9 0 0.9%
Excl. CPU (microsec)621 638 17 2.7%
Incl. MemUse (bytes)154,672 154,664 -8 -0.0%
Incl. MemUse (bytes) per call 973 973 -0 -0.0%
Excl. MemUse (bytes)145,072 145,064 -8 -0.0%
Incl. PeakMemUse (bytes)13,304 13,344 40 0.3%
Incl. PeakMemUse (bytes) per call 84 84 0 0.3%
Excl. PeakMemUse (bytes)11,040 11,080 40 0.4%

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% 19 0.6% 13 0.5% -8 -0.0% 40 0.1%
Exclusive Metrics Diff for Current Function16 84.2% 17 130.8% -8 -100.0% 40 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 19 100.0% 13 100.0% -8 -100.0% 40 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 3 15.8% -4 -30.8% 0 0.0% 0 0.0%