Diff Report
Run #518e77f228c59: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518e79892b1de: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::__construct

Drupal\Core\Database\Driver\mysql\Connection::__constructRun #518e77f228c59Run #518e79892b1deDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,208 1,452 244 20.2%
Incl. Wall Time (microsec) per call 1,208 1,452 244 20.2%
Excl. Wall Time (microsec)41 43 2 4.9%
Incl. CPU (microsecs)754 818 64 8.5%
Incl. CPU (microsecs) per call 754 818 64 8.5%
Excl. CPU (microsec)36 39 3 8.3%
Incl. MemUse (bytes)66,592 66,592 0 0.0%
Incl. MemUse (bytes) per call 66,592 66,592 0 0.0%
Excl. MemUse (bytes)1,712 1,712 0 0.0%
Incl. PeakMemUse (bytes)70,616 70,616 0 0.0%
Incl. PeakMemUse (bytes) per call 70,616 70,616 0 0.0%
Excl. PeakMemUse (bytes)2,496 2,496 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Driver\mysql\Connection::__construct [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
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 244 488.0% 64 136.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 0.8% 3 4.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 244 100.0% 64 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::__construct0 N/A% 255 104.5% 75 117.2% 0 N/A% 0 N/A%
PDO::exec0 N/A% -14 -5.7% -14 -21.9% 0 N/A% 0 N/A%
implode0 N/A% 1 0.4% 0 0.0% 0 N/A% 0 N/A%