Diff Report
Run #52c641a950046: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c6423bf12de: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52c641a950046Run #52c6423bf12deDiffDiff%
Number of Function Calls159 159 0 0.0%
Incl. Wall Time (microsec)1,297 1,288 -9 -0.7%
Incl. Wall Time (microsec) per call 8 8 -0 -0.7%
Excl. Wall Time (microsec)618 614 -4 -0.6%
Incl. CPU (microsecs)1,428 1,400 -28 -2.0%
Incl. CPU (microsecs) per call 9 9 -0 -2.0%
Excl. CPU (microsec)621 614 -7 -1.1%
Incl. MemUse (bytes)154,672 154,672 0 0.0%
Incl. MemUse (bytes) per call 973 973 0 0.0%
Excl. MemUse (bytes)145,072 145,072 0 0.0%
Incl. PeakMemUse (bytes)13,304 13,304 0 0.0%
Incl. PeakMemUse (bytes) per call 84 84 0 0.0%
Excl. PeakMemUse (bytes)11,040 11,040 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% -9 -1.9% -28 -6.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4 -44.4% -7 -25.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -9 -100.0% -28 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -5 -55.6% -21 -75.0% 0 N/A% 0 N/A%