Diff Report
Run #517d750163e11: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d7587ada9c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #517d750163e11Run #517d7587ada9cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)894 732 -162 -18.1%
Incl. Wall Time (microsec) per call 894 732 -162 -18.1%
Excl. Wall Time (microsec)24 23 -1 -4.2%
Incl. CPU (microsecs)494 382 -112 -22.7%
Incl. CPU (microsecs) per call 494 382 -112 -22.7%
Excl. CPU (microsec)22 20 -2 -9.1%
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% -162 -2.0% -112 -1.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -0.6% -2 -1.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -162 -100.0% -112 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -96 -59.3% -45 -40.2% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% -65 -40.1% -65 -58.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setPrefix0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%