Diff Report
Run #52a037bb4f6e8: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52a03729e7d1a: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52a037bb4f6e8Run #52a03729e7d1aDiffDiff%
Number of Function Calls166 166 0 0.0%
Incl. Wall Time (microsec)1,498 1,535 37 2.5%
Incl. Wall Time (microsec) per call 9 9 0 2.5%
Excl. Wall Time (microsec)668 699 31 4.6%
Incl. CPU (microsecs)1,650 1,663 13 0.8%
Incl. CPU (microsecs) per call 10 10 0 0.8%
Excl. CPU (microsec)709 725 16 2.3%
Incl. MemUse (bytes)152,128 152,128 0 0.0%
Incl. MemUse (bytes) per call 916 916 0 0.0%
Excl. MemUse (bytes)142,192 142,192 0 0.0%
Incl. PeakMemUse (bytes)14,992 14,800 -192 -1.3%
Incl. PeakMemUse (bytes) per call 90 89 -1 -1.3%
Excl. PeakMemUse (bytes)13,016 12,880 -136 -1.0%

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% 37 4.4% 13 1.5% 0 0.0% -192 -0.3%
Exclusive Metrics Diff for Current Function31 83.8% 16 123.1% 0 N/A% -136 -70.8%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 37 100.0% 13 100.0% 0 N/A% -192 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 6 16.2% -3 -23.1% 0 N/A% -56 -29.2%