Diff Report
Run #518080a5ca60d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518081a41c05e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #518080a5ca60dRun #518081a41c05eDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)888 907 19 2.1%
Incl. Wall Time (microsec) per call 888 907 19 2.1%
Excl. Wall Time (microsec)38 24 -14 -36.8%
Incl. CPU (microsecs)466 451 -15 -3.2%
Incl. CPU (microsecs) per call 466 451 -15 -3.2%
Excl. CPU (microsec)36 22 -14 -38.9%
Incl. MemUse (bytes)42,448 42,448 0 0.0%
Incl. MemUse (bytes) per call 42,448 42,448 0 0.0%
Excl. MemUse (bytes)2,080 2,080 0 0.0%
Incl. PeakMemUse (bytes)43,264 43,264 0 0.0%
Incl. PeakMemUse (bytes) per call 43,264 43,264 0 0.0%
Excl. PeakMemUse (bytes)1,776 1,776 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\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\Connection::__construct0 N/A% 19 1.6% -15 -1.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-14 -73.7% -14 -93.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 19 100.0% -15 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 59 310.5% 24 160.0% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% -27 -142.1% -26 -173.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setPrefix0 N/A% 1 5.3% 1 6.7% 0 N/A% 0 N/A%