Diff Report
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #52e436ce9c71dRun #52e4374042aceDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)101 99 -2 -2.0%
Incl. Wall Time (microsec) per call 101 99 -2 -2.0%
Excl. Wall Time (microsec)13 12 -1 -7.7%
Incl. CPU (microsecs)102 101 -1 -1.0%
Incl. CPU (microsecs) per call 102 101 -1 -1.0%
Excl. CPU (microsec)11 13 2 18.2%
Incl. MemUse (bytes)34,544 34,544 0 0.0%
Incl. MemUse (bytes) per call 34,544 34,544 0 0.0%
Excl. MemUse (bytes)1,856 1,856 0 0.0%
Incl. PeakMemUse (bytes)34,928 34,928 0 0.0%
Incl. PeakMemUse (bytes) per call 34,928 34,928 0 0.0%
Excl. PeakMemUse (bytes)1,808 1,808 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% -2 -0.2% -1 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -50.0% 2 200.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -2 -100.0% -1 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::setPrefix0 N/A% -1 -50.0% -2 -200.0% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% 0 0.0% -1 -100.0% 0 N/A% 0 N/A%