Diff Report
Run #53513afe3c568: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #53513afe3c568Run #535139ab6e707DiffDiff%
Number of Function Calls280 280 0 0.0%
Incl. Wall Time (microsec)2,299 2,283 -16 -0.7%
Incl. Wall Time (microsec) per call 8 8 -0 -0.7%
Excl. Wall Time (microsec)1,141 1,148 7 0.6%
Incl. CPU (microsecs)2,541 2,529 -12 -0.5%
Incl. CPU (microsecs) per call 9 9 -0 -0.5%
Excl. CPU (microsec)1,182 1,203 21 1.8%
Incl. MemUse (bytes)379,472 379,456 -16 -0.0%
Incl. MemUse (bytes) per call 1,355 1,355 -0 -0.0%
Excl. MemUse (bytes)364,064 364,048 -16 -0.0%
Incl. PeakMemUse (bytes)11,264 11,152 -112 -1.0%
Incl. PeakMemUse (bytes) per call 40 40 -0 -1.0%
Excl. PeakMemUse (bytes)9,344 9,304 -40 -0.4%

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% -16 -0.3% -12 -0.2% -16 -0.1% -112 -0.5%
Exclusive Metrics Diff for Current Function7 43.8% 21 175.0% -16 -100.0% -40 -35.7%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -16 -100.0% -12 -100.0% -16 -100.0% -112 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -23 -143.8% -33 -275.0% 0 0.0% -72 -64.3%