Diff Report
Run #519fc53e46a65: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc84e17238: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519fc53e46a65Run #519fc84e17238DiffDiff%
Number of Function Calls103 103 0 0.0%
Incl. Wall Time (microsec)599 587 -12 -2.0%
Incl. Wall Time (microsec) per call 6 6 -0 -2.0%
Excl. Wall Time (microsec)305 302 -3 -1.0%
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)98,824 98,824 0 0.0%
Incl. MemUse (bytes) per call 959 959 0 0.0%
Excl. MemUse (bytes)91,912 91,912 0 0.0%
Incl. PeakMemUse (bytes)15,736 15,736 0 0.0%
Incl. PeakMemUse (bytes) per call 153 153 0 0.0%
Excl. PeakMemUse (bytes)13,920 13,920 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% -12 -2.2% 0 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-3 -25.0% 0 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -12 -100.0% 0 N/A% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -9 -75.0% 0 N/A% 0 N/A% 0 N/A%