Diff Report
Run #518b13c95a609: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518b15389813f: 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 #518b13c95a609Run #518b15389813fDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,027 775 -252 -24.5%
Incl. Wall Time (microsec) per call 1,027 775 -252 -24.5%
Excl. Wall Time (microsec)33 42 9 27.3%
Incl. CPU (microsecs)456 468 12 2.6%
Incl. CPU (microsecs) per call 456 468 12 2.6%
Excl. CPU (microsec)29 37 8 27.6%
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)48,536 48,536 0 0.0%
Incl. PeakMemUse (bytes) per call 48,536 48,536 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% -252 -1.2% 12 0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function9 3.6% 8 66.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -252 -100.0% 12 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::__construct0 N/A% -329 -130.6% -14 -116.7% 0 N/A% 0 N/A%
PDO::exec0 N/A% 67 26.6% 15 125.0% 0 N/A% 0 N/A%
implode0 N/A% 1 0.4% 3 25.0% 0 N/A% 0 N/A%