Diff Report
Run #5198f92a4c3fa: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5198f7eab7067: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #5198f92a4c3faRun #5198f7eab7067DiffDiff%
Number of Function Calls188 188 0 0.0%
Incl. Wall Time (microsec)5,860 5,827 -33 -0.6%
Incl. Wall Time (microsec) per call 31 31 -0 -0.6%
Excl. Wall Time (microsec)2,336 2,342 6 0.3%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 21 21 N/A%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)295,968 295,968 0 0.0%
Incl. MemUse (bytes) per call 1,574 1,574 0 0.0%
Excl. MemUse (bytes)278,264 278,264 0 0.0%
Incl. PeakMemUse (bytes)19,536 19,536 0 0.0%
Incl. PeakMemUse (bytes) per call 104 104 0 0.0%
Excl. PeakMemUse (bytes)16,592 16,592 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% -33 -3.3% 4,000 N/A% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function6 18.2% 4,000 100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -33 -100.0% 4,000 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -39 -118.2% 0 0.0% 0 N/A% 0 N/A%