Diff Report
Run #556d0efcc18be: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #556d13edd0b22: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #556d0efcc18beRun #556d13edd0b22DiffDiff%
Number of Function Calls148 148 0 0.0%
Incl. Wall Time (microsec)1,408 1,339 -69 -4.9%
Incl. Wall Time (microsec) per call 10 9 -0 -4.9%
Excl. Wall Time (microsec)727 696 -31 -4.3%
Incl. MemUse (bytes)137,408 137,408 0 0.0%
Incl. MemUse (bytes) per call 928 928 0 0.0%
Excl. MemUse (bytes)128,624 128,624 0 0.0%
Incl. PeakMemUse (bytes)13,168 13,168 0 0.0%
Incl. PeakMemUse (bytes) per call 89 89 0 0.0%
Excl. PeakMemUse (bytes)11,760 11,760 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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
PDO::prepare0 N/A% -69 -0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-31 -44.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -69 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -38 -55.1% 0 N/A% 0 N/A%