Diff Report
Run #51ec489b18752: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51ec489b18752Run #51ec485525502DiffDiff%
Number of Function Calls182 182 0 0.0%
Incl. Wall Time (microsec)1,684 1,692 8 0.5%
Incl. Wall Time (microsec) per call 9 9 0 0.5%
Excl. Wall Time (microsec)801 805 4 0.5%
Incl. CPU (microsecs)1,829 1,846 17 0.9%
Incl. CPU (microsecs) per call 10 10 0 0.9%
Excl. CPU (microsec)822 821 -1 -0.1%
Incl. MemUse (bytes)175,848 175,848 0 0.0%
Incl. MemUse (bytes) per call 966 966 0 0.0%
Excl. MemUse (bytes)165,144 165,144 0 0.0%
Incl. PeakMemUse (bytes)13,248 13,248 0 0.0%
Incl. PeakMemUse (bytes) per call 73 73 0 0.0%
Excl. PeakMemUse (bytes)11,264 11,264 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% 8 0.8% 17 4.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 50.0% -1 -5.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 8 100.0% 17 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 4 50.0% 18 105.9% 0 N/A% 0 N/A%