Diff Report
Run #51774d289642f: 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 #51774d289642fRun #51774c26bf054DiffDiff%
Number of Function Calls139 139 0 0.0%
Incl. Wall Time (microsec)1,270 1,271 1 0.1%
Incl. Wall Time (microsec) per call 9 9 0 0.1%
Excl. Wall Time (microsec)638 645 7 1.1%
Incl. CPU (microsecs)1,393 1,396 3 0.2%
Incl. CPU (microsecs) per call 10 10 0 0.2%
Excl. CPU (microsec)641 642 1 0.2%
Incl. MemUse (bytes)137,376 137,392 16 0.0%
Incl. MemUse (bytes) per call 988 988 0 0.0%
Excl. MemUse (bytes)128,736 128,752 16 0.0%
Incl. PeakMemUse (bytes)9,024 9,792 768 8.5%
Incl. PeakMemUse (bytes) per call 65 70 6 8.5%
Excl. PeakMemUse (bytes)7,208 7,584 376 5.2%

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% 1 0.0% 3 0.0% 16 0.1% 768 4.2%
Exclusive Metrics Diff for Current Function7 700.0% 1 33.3% 16 100.0% 376 49.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 1 100.0% 3 100.0% 16 100.0% 768 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -6 -600.0% 2 66.7% 0 0.0% 392 51.0%