Diff Report
Run #518b14dd8356b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518b13c95a609: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #518b14dd8356bRun #518b13c95a609DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)822 857 35 4.3%
Incl. Wall Time (microsec) per call 822 857 35 4.3%
Excl. Wall Time (microsec)23 24 1 4.3%
Incl. CPU (microsecs)377 364 -13 -3.4%
Incl. CPU (microsecs) per call 377 364 -13 -3.4%
Excl. CPU (microsec)20 21 1 5.0%
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% 35 4.4% -13 -2.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 2.9% 1 7.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 35 100.0% -13 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 34 97.1% -15 -115.4% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% -1 -2.9% -1 -7.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setPrefix0 N/A% 1 2.9% 2 15.4% 0 N/A% 0 N/A%