Diff Report
Run #517896dc57c6e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5178989df1d0f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #517896dc57c6eRun #5178989df1d0fDiffDiff%
Number of Function Calls133 133 0 0.0%
Incl. Wall Time (microsec)1,230 1,244 14 1.1%
Incl. Wall Time (microsec) per call 9 9 0 1.1%
Excl. Wall Time (microsec)624 629 5 0.8%
Incl. CPU (microsecs)1,345 1,342 -3 -0.2%
Incl. CPU (microsecs) per call 10 10 -0 -0.2%
Excl. CPU (microsec)611 595 -16 -2.6%
Incl. MemUse (bytes)132,424 132,424 0 0.0%
Incl. MemUse (bytes) per call 996 996 0 0.0%
Excl. MemUse (bytes)124,072 124,072 0 0.0%
Incl. PeakMemUse (bytes)8,168 8,112 -56 -0.7%
Incl. PeakMemUse (bytes) per call 61 61 -0 -0.7%
Excl. PeakMemUse (bytes)6,352 6,352 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 0.3% -3 -0.1% 0 0.0% -56 -0.9%
Exclusive Metrics Diff for Current Function5 35.7% -16 -533.3% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 14 100.0% -3 -100.0% 0 N/A% -56 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 9 64.3% 13 433.3% 0 N/A% -56 -100.0%