Diff Report
Run #51774cdfb1214: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51774c26bf054: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51774cdfb1214Run #51774c26bf054DiffDiff%
Number of Function Calls139 139 0 0.0%
Incl. Wall Time (microsec)1,269 1,271 2 0.2%
Incl. Wall Time (microsec) per call 9 9 0 0.2%
Excl. Wall Time (microsec)642 645 3 0.5%
Incl. CPU (microsecs)1,382 1,396 14 1.0%
Incl. CPU (microsecs) per call 10 10 0 1.0%
Excl. CPU (microsec)650 642 -8 -1.2%
Incl. MemUse (bytes)137,344 137,392 48 0.0%
Incl. MemUse (bytes) per call 988 988 0 0.0%
Excl. MemUse (bytes)128,704 128,752 48 0.0%
Incl. PeakMemUse (bytes)9,400 9,792 392 4.2%
Incl. PeakMemUse (bytes) per call 68 70 3 4.2%
Excl. PeakMemUse (bytes)7,584 7,584 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% 2 0.0% 14 0.1% 48 0.5% 392 3.3%
Exclusive Metrics Diff for Current Function3 150.0% -8 -57.1% 48 100.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 2 100.0% 14 100.0% 48 100.0% 392 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -1 -50.0% 22 157.1% 0 0.0% 392 100.0%