Diff Report
Run #52e417f8e04a5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52e418f395327: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #52e417f8e04a5Run #52e418f395327DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)783 585 -198 -25.3%
Incl. Wall Time (microsec) per call 783 585 -198 -25.3%
Excl. Wall Time (microsec)29 25 -4 -13.8%
Incl. CPU (microsecs)568 416 -152 -26.8%
Incl. CPU (microsecs) per call 568 416 -152 -26.8%
Excl. CPU (microsec)24 18 -6 -25.0%
Incl. MemUse (bytes)151,440 151,440 0 0.0%
Incl. MemUse (bytes) per call 151,440 151,440 0 0.0%
Excl. MemUse (bytes)3,496 3,496 0 0.0%
Incl. PeakMemUse (bytes)149,096 149,096 0 0.0%
Incl. PeakMemUse (bytes) per call 149,096 149,096 0 0.0%
Excl. PeakMemUse (bytes)3,800 3,800 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Database::openConnection [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\Database::openConnection0 N/A% -198 -618.8% -152 -81.7% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-4 -2.0% -6 -3.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -198 -100.0% -152 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -103 -52.0% -57 -37.5% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::loadClass0 N/A% -63 -31.8% -62 -40.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -23 -11.6% -22 -14.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -5 -2.5% -5 -3.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% -1 -0.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 1 0.7% 0 N/A% 0 N/A%