Diff Report
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fcf6ab927: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #5391fc871e91dRun #5391fcf6ab927DiffDiff%
Number of Function Calls189 189 0 0.0%
Incl. Wall Time (microsec)2,443 2,444 1 0.0%
Incl. Wall Time (microsec) per call 13 13 0 0.0%
Excl. Wall Time (microsec)1,225 1,214 -11 -0.9%
Incl. CPU (microsecs)2,608 2,593 -15 -0.6%
Incl. CPU (microsecs) per call 14 14 -0 -0.6%
Excl. CPU (microsec)1,218 1,202 -16 -1.3%
Incl. MemUse (bytes)115,940 115,940 0 0.0%
Incl. MemUse (bytes) per call 613 613 0 0.0%
Excl. MemUse (bytes)109,552 109,552 0 0.0%
Incl. PeakMemUse (bytes)32,704 32,704 0 0.0%
Incl. PeakMemUse (bytes) per call 173 173 0 0.0%
Excl. PeakMemUse (bytes)31,160 31,160 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% 1 0.1% -15 -1.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-11 -1100.0% -16 -106.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 1 100.0% -15 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 12 1200.0% 1 6.7% 0 N/A% 0 N/A%