Diff Report
Run #51901ff69a8a6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51902129e4489: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #51901ff69a8a6Run #51902129e4489DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)766 646 -120 -15.7%
Incl. Wall Time (microsec) per call 766 646 -120 -15.7%
Excl. Wall Time (microsec)25 29 4 16.0%
Incl. CPU (microsecs)339 371 32 9.4%
Incl. CPU (microsecs) per call 339 371 32 9.4%
Excl. CPU (microsec)20 24 4 20.0%
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)43,384 43,384 0 0.0%
Incl. PeakMemUse (bytes) per call 43,384 43,384 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% -120 -222.2% 32 42.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 3.3% 4 12.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -120 -100.0% 32 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -149 -124.2% 3 9.4% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% 17 14.2% 16 50.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setPrefix0 N/A% 8 6.7% 9 28.1% 0 N/A% 0 N/A%