Diff Report
Run #5196ef15c751e: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5196effcededb: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #5196ef15c751eRun #5196effcededbDiffDiff%
Number of Function Calls112 112 0 0.0%
Incl. Wall Time (microsec)10,924 6,743 -4,181 -38.3%
Incl. Wall Time (microsec) per call 98 60 -37 -38.3%
Excl. Wall Time (microsec)4,306 2,691 -1,615 -37.5%
Incl. CPU (microsecs)0 8,001 8,001 N/A%
Incl. CPU (microsecs) per call 0 71 71 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)180,144 180,144 0 0.0%
Incl. MemUse (bytes) per call 1,608 1,608 0 0.0%
Excl. MemUse (bytes)168,520 168,520 0 0.0%
Incl. PeakMemUse (bytes)18,992 18,992 0 0.0%
Incl. PeakMemUse (bytes) per call 170 170 0 0.0%
Excl. PeakMemUse (bytes)15,960 15,960 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% -4,181 -0.4% 8,001 200.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1,615 -38.6% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -4,181 -100.0% 8,001 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -2,566 -61.4% 8,001 100.0% 0 N/A% 0 N/A%