Diff Report
Run #518b13c95a609: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518b15389813f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #518b13c95a609Run #518b15389813fDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)857 528 -329 -38.4%
Incl. Wall Time (microsec) per call 857 528 -329 -38.4%
Excl. Wall Time (microsec)24 26 2 8.3%
Incl. CPU (microsecs)364 350 -14 -3.8%
Incl. CPU (microsecs) per call 364 350 -14 -3.8%
Excl. CPU (microsec)21 20 -1 -4.8%
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% -329 -1.6% -14 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 0.6% -1 -7.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -329 -100.0% -14 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -342 -104.0% -26 -185.7% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% 10 3.0% 10 71.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setPrefix0 N/A% 1 0.3% 3 21.4% 0 N/A% 0 N/A%