Diff Report
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3af7e977d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #538e3ac0de109Run #538e3af7e977dDiffDiff%
Number of Function Calls137 137 0 0.0%
Incl. Wall Time (microsec)1,118 1,140 22 2.0%
Incl. Wall Time (microsec) per call 8 8 0 2.0%
Excl. Wall Time (microsec)532 548 16 3.0%
Incl. CPU (microsecs)1,226 1,228 2 0.2%
Incl. CPU (microsecs) per call 9 9 0 0.2%
Excl. CPU (microsec)538 527 -11 -2.0%
Incl. MemUse (bytes)126,216 126,216 0 0.0%
Incl. MemUse (bytes) per call 921 921 0 0.0%
Excl. MemUse (bytes)117,672 117,672 0 0.0%
Incl. PeakMemUse (bytes)12,264 12,264 0 0.0%
Incl. PeakMemUse (bytes) per call 90 90 0 0.0%
Excl. PeakMemUse (bytes)10,512 10,512 0 0.0%

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% 22 3.0% 2 0.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function16 72.7% -11 -550.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 22 100.0% 2 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 6 27.3% 13 650.0% 0 N/A% 0 N/A%