Diff Report
Run #5394e33e8d847: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5394e21e9bd45: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #5394e33e8d847Run #5394e21e9bd45DiffDiff%
Number of Function Calls264 264 0 0.0%
Incl. Wall Time (microsec)2,585 2,583 -2 -0.1%
Incl. Wall Time (microsec) per call 10 10 -0 -0.1%
Excl. Wall Time (microsec)1,315 1,305 -10 -0.8%
Incl. CPU (microsecs)2,798 2,782 -16 -0.6%
Incl. CPU (microsecs) per call 11 11 -0 -0.6%
Excl. CPU (microsec)1,289 1,264 -25 -1.9%
Incl. MemUse (bytes)256,712 256,704 -8 -0.0%
Incl. MemUse (bytes) per call 972 972 -0 -0.0%
Excl. MemUse (bytes)242,136 242,128 -8 -0.0%
Incl. PeakMemUse (bytes)14,000 14,144 144 1.0%
Incl. PeakMemUse (bytes) per call 53 54 1 1.0%
Excl. PeakMemUse (bytes)12,304 12,448 144 1.2%

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% -2 -0.5% -16 -1.8% -8 -3.0% 144 15.3%
Exclusive Metrics Diff for Current Function-10 -500.0% -25 -156.2% -8 -100.0% 144 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -2 -100.0% -16 -100.0% -8 -100.0% 144 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 8 400.0% 9 56.2% 0 0.0% 0 0.0%