Diff Report
Run #519fbb3f5c2a0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbca569199: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519fbb3f5c2a0Run #519fbca569199DiffDiff%
Number of Function Calls130 130 0 0.0%
Incl. Wall Time (microsec)1,198 1,187 -11 -0.9%
Incl. Wall Time (microsec) per call 9 9 -0 -0.9%
Excl. Wall Time (microsec)584 579 -5 -0.9%
Incl. CPU (microsecs)1,296 1,286 -10 -0.8%
Incl. CPU (microsecs) per call 10 10 -0 -0.8%
Excl. CPU (microsec)576 575 -1 -0.2%
Incl. MemUse (bytes)121,560 121,560 0 0.0%
Incl. MemUse (bytes) per call 935 935 0 0.0%
Excl. MemUse (bytes)113,352 113,352 0 0.0%
Incl. PeakMemUse (bytes)7,144 7,144 0 0.0%
Incl. PeakMemUse (bytes) per call 55 55 0 0.0%
Excl. PeakMemUse (bytes)7,144 7,144 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% -11 -1.7% -10 -3.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -45.5% -1 -10.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -11 -100.0% -10 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -6 -54.5% -9 -90.0% 0 N/A% 0 N/A%