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

Drupal\Core\Database\Connection::__constructRun #518081a41c05eRun #518080a5ca60dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)907 888 -19 -2.1%
Incl. Wall Time (microsec) per call 907 888 -19 -2.1%
Excl. Wall Time (microsec)24 38 14 58.3%
Incl. CPU (microsecs)451 466 15 3.3%
Incl. CPU (microsecs) per call 451 466 15 3.3%
Excl. CPU (microsec)22 36 14 63.6%
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 Function14 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%