Diff Report
Run #518eefcaea15f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518eee9367b5d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #518eefcaea15fRun #518eee9367b5dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)856 725 -131 -15.3%
Incl. Wall Time (microsec) per call 856 725 -131 -15.3%
Excl. Wall Time (microsec)25 24 -1 -4.0%
Incl. CPU (microsecs)462 367 -95 -20.6%
Incl. CPU (microsecs) per call 462 367 -95 -20.6%
Excl. CPU (microsec)23 19 -4 -17.4%
Incl. MemUse (bytes)42,488 42,488 0 0.0%
Incl. MemUse (bytes) per call 42,488 42,488 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% -131 -198.5% -95 -10.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -0.8% -4 -4.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -131 -100.0% -95 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -96 -73.3% -60 -63.2% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% -34 -26.0% -33 -34.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setPrefix0 N/A% 0 0.0% 2 2.1% 0 N/A% 0 N/A%