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

PDO::prepareRun #539205a48c548Run #539206513e72eDiffDiff%
Number of Function Calls196 196 0 0.0%
Incl. Wall Time (microsec)2,559 2,536 -23 -0.9%
Incl. Wall Time (microsec) per call 13 13 -0 -0.9%
Excl. Wall Time (microsec)1,296 1,273 -23 -1.8%
Incl. CPU (microsecs)2,744 2,699 -45 -1.6%
Incl. CPU (microsecs) per call 14 14 -0 -1.6%
Excl. CPU (microsec)1,298 1,242 -56 -4.3%
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 Function-23 -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%