Diff Report
Run #518ed14bbba55: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518eceb4aac68: 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 #518ed14bbba55Run #518eceb4aac68DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)806 744 -62 -7.7%
Incl. Wall Time (microsec) per call 806 744 -62 -7.7%
Excl. Wall Time (microsec)35 33 -2 -5.7%
Incl. CPU (microsecs)420 388 -32 -7.6%
Incl. CPU (microsecs) per call 420 388 -32 -7.6%
Excl. CPU (microsec)30 31 1 3.3%
Incl. MemUse (bytes)46,096 46,096 0 0.0%
Incl. MemUse (bytes) per call 46,096 46,096 0 0.0%
Excl. MemUse (bytes)1,712 1,712 0 0.0%
Incl. PeakMemUse (bytes)48,144 48,144 0 0.0%
Incl. PeakMemUse (bytes) per call 48,144 48,144 0 0.0%
Excl. PeakMemUse (bytes)3,088 3,088 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% -62 -22.5% -32 -10.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -3.2% 1 3.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -62 -100.0% -32 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::__construct0 N/A% -64 -103.2% -31 -96.9% 0 N/A% 0 N/A%
PDO::exec0 N/A% 4 6.5% -1 -3.1% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -1 -3.1% 0 N/A% 0 N/A%