Diff Report
Run #517c1770a3264: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1836bbd84: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #517c1770a3264Run #517c1836bbd84DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)868 891 23 2.6%
Incl. Wall Time (microsec) per call 868 891 23 2.6%
Excl. Wall Time (microsec)24 24 0 0.0%
Incl. CPU (microsecs)447 420 -27 -6.0%
Incl. CPU (microsecs) per call 447 420 -27 -6.0%
Excl. CPU (microsec)18 20 2 11.1%
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)42,648 42,648 0 0.0%
Incl. PeakMemUse (bytes) per call 42,648 42,648 0 0.0%
Excl. PeakMemUse (bytes)1,704 1,704 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% 23 1.4% -27 -1.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function0 0.0% 2 7.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 23 100.0% -27 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 23 100.0% -27 -100.0% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% 0 0.0% -1 -3.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setPrefix0 N/A% 0 0.0% -1 -3.7% 0 N/A% 0 N/A%