Diff Report
Run #539206513e72e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #539206513e72eRun #539205a48c548DiffDiff%
Number of Function Calls196 196 0 0.0%
Incl. Wall Time (microsec)2,536 2,559 23 0.9%
Incl. Wall Time (microsec) per call 13 13 0 0.9%
Excl. Wall Time (microsec)1,273 1,296 23 1.8%
Incl. CPU (microsecs)2,699 2,744 45 1.7%
Incl. CPU (microsecs) per call 14 14 0 1.7%
Excl. CPU (microsec)1,242 1,298 56 4.5%
Incl. MemUse (bytes)119,844 119,844 0 0.0%
Incl. MemUse (bytes) per call 611 611 0 0.0%
Excl. MemUse (bytes)113,260 113,260 0 0.0%
Incl. PeakMemUse (bytes)33,324 33,324 0 0.0%
Incl. PeakMemUse (bytes) per call 170 170 0 0.0%
Excl. PeakMemUse (bytes)31,780 31,780 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% 23 2.5% 45 12.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function23 100.0% 56 124.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 23 100.0% 45 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 0 0.0% -11 -24.4% 0 N/A% 0 N/A%