Diff Report
Run #51904f8640386: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519050cbdc201: 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 #519050cbdc201DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)798 788 -10 -1.3%
Incl. Wall Time (microsec) per call 798 788 -10 -1.3%
Excl. Wall Time (microsec)24 23 -1 -4.2%
Incl. CPU (microsecs)387 352 -35 -9.0%
Incl. CPU (microsecs) per call 387 352 -35 -9.0%
Excl. CPU (microsec)20 22 2 10.0%
Incl. MemUse (bytes)42,504 42,496 -8 -0.0%
Incl. MemUse (bytes) per call 42,504 42,496 -8 -0.0%
Excl. MemUse (bytes)2,080 2,080 0 0.0%
Incl. PeakMemUse (bytes)43,288 43,280 -8 -0.0%
Incl. PeakMemUse (bytes) per call 43,288 43,280 -8 -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% -10 -0.9% -35 -2.2% -8 -0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function-1 -10.0% 2 5.7% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -10 -100.0% -35 -100.0% -8 -100.0% -8 -100.0%
Child functions
PDO::__construct0 N/A% -26 -260.0% -53 -151.4% 0 0.0% 0 0.0%
PDO::setAttribute0 N/A% 16 160.0% 17 48.6% -8 -100.0% -8 -100.0%
Drupal\Core\Database\Connection::setPrefix0 N/A% 1 10.0% -1 -2.9% 0 0.0% 0 0.0%