Diff Report
Run #518e79892b1de: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518e77f228c59: 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 #518e79892b1deRun #518e77f228c59DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,452 1,208 -244 -16.8%
Incl. Wall Time (microsec) per call 1,452 1,208 -244 -16.8%
Excl. Wall Time (microsec)43 41 -2 -4.7%
Incl. CPU (microsecs)818 754 -64 -7.8%
Incl. CPU (microsecs) per call 818 754 -64 -7.8%
Excl. CPU (microsec)39 36 -3 -7.7%
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 Function-2 -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%