Diff Report
Run #518081a41c05e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518080a5ca60d: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for PDO::prepare

PDO::prepareRun #518081a41c05eRun #518080a5ca60dDiffDiff%
Number of Function Calls100 100 0 0.0%
Incl. Wall Time (microsec)911 888 -23 -2.5%
Incl. Wall Time (microsec) per call 9 9 -0 -2.5%
Excl. Wall Time (microsec)456 448 -8 -1.8%
Incl. CPU (microsecs)1,000 976 -24 -2.4%
Incl. CPU (microsecs) per call 10 10 -0 -2.4%
Excl. CPU (microsec)463 446 -17 -3.7%
Incl. MemUse (bytes)92,952 92,968 16 0.0%
Incl. MemUse (bytes) per call 930 930 0 0.0%
Excl. MemUse (bytes)86,184 86,200 16 0.0%
Incl. PeakMemUse (bytes)9,336 9,200 -136 -1.5%
Incl. PeakMemUse (bytes) per call 93 92 -1 -1.5%
Excl. PeakMemUse (bytes)7,528 7,392 -136 -1.8%

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% -23 -1.9% -24 -1.9% 16 0.4% -136 -3.1%
Exclusive Metrics Diff for Current Function-8 -34.8% -17 -70.8% 16 100.0% -136 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -23 -100.0% -24 -100.0% 16 100.0% -136 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -15 -65.2% -7 -29.2% 0 0.0% 0 0.0%