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

PDO::prepareRun #535139ab6e707Run #53513afe3c568DiffDiff%
Number of Function Calls280 280 0 0.0%
Incl. Wall Time (microsec)2,283 2,299 16 0.7%
Incl. Wall Time (microsec) per call 8 8 0 0.7%
Excl. Wall Time (microsec)1,148 1,141 -7 -0.6%
Incl. CPU (microsecs)2,529 2,541 12 0.5%
Incl. CPU (microsecs) per call 9 9 0 0.5%
Excl. CPU (microsec)1,203 1,182 -21 -1.7%
Incl. MemUse (bytes)379,456 379,472 16 0.0%
Incl. MemUse (bytes) per call 1,355 1,355 0 0.0%
Excl. MemUse (bytes)364,048 364,064 16 0.0%
Incl. PeakMemUse (bytes)11,152 11,264 112 1.0%
Incl. PeakMemUse (bytes) per call 40 40 0 1.0%
Excl. PeakMemUse (bytes)9,304 9,344 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 Function-7 -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%