Diff Report
Run #517d73f55c548: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d7319aefb8: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #517d73f55c548Run #517d7319aefb8DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)749 867 118 15.8%
Incl. Wall Time (microsec) per call 749 867 118 15.8%
Excl. Wall Time (microsec)23 24 1 4.3%
Incl. CPU (microsecs)423 455 32 7.6%
Incl. CPU (microsecs) per call 423 455 32 7.6%
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)43,168 43,168 0 0.0%
Incl. PeakMemUse (bytes) per call 43,168 43,168 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% 118 1.4% 32 0.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 0.8% 2 6.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 118 100.0% 32 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 78 66.1% -10 -31.2% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% 38 32.2% 39 121.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setPrefix0 N/A% 1 0.8% 1 3.1% 0 N/A% 0 N/A%