Diff Report
Run #519fbf2154a5e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc2983e6a9: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519fbf2154a5eRun #519fc2983e6a9DiffDiff%
Number of Function Calls23 23 0 0.0%
Incl. Wall Time (microsec)186 196 10 5.4%
Incl. Wall Time (microsec) per call 8 9 0 5.4%
Excl. Wall Time (microsec)92 102 10 10.9%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)15,708 15,708 0 0.0%
Incl. MemUse (bytes) per call 683 683 0 0.0%
Excl. MemUse (bytes)13,968 13,968 0 0.0%
Incl. PeakMemUse (bytes)6,308 6,512 204 3.2%
Incl. PeakMemUse (bytes) per call 274 283 9 3.2%
Excl. PeakMemUse (bytes)5,228 5,432 204 3.9%

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% 10 1.0% 0 0.0% 0 0.0% 204 0.1%
Exclusive Metrics Diff for Current Function10 100.0% 0 N/A% 0 N/A% 204 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 10 100.0% 0 N/A% 0 N/A% 204 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 0.0%