Diff Report
Run #51904f8640386: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519050b464828: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #51904f8640386Run #519050b464828DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)798 748 -50 -6.3%
Incl. Wall Time (microsec) per call 798 748 -50 -6.3%
Excl. Wall Time (microsec)24 23 -1 -4.2%
Incl. CPU (microsecs)387 348 -39 -10.1%
Incl. CPU (microsecs) per call 387 348 -39 -10.1%
Excl. CPU (microsec)20 20 0 0.0%
Incl. MemUse (bytes)42,504 42,504 0 0.0%
Incl. MemUse (bytes) per call 42,504 42,504 0 0.0%
Excl. MemUse (bytes)2,080 2,080 0 0.0%
Incl. PeakMemUse (bytes)43,288 43,288 0 0.0%
Incl. PeakMemUse (bytes) per call 43,288 43,288 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% -50 -54.3% -39 -7.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -2.0% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -50 -100.0% -39 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -69 -138.0% -59 -151.3% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% 19 38.0% 19 48.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setPrefix0 N/A% 1 2.0% 1 2.6% 0 N/A% 0 N/A%