Diff Report
Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a1fd8a982: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #52e4a1c03557cRun #52e4a1fd8a982DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)665 605 -60 -9.0%
Incl. Wall Time (microsec) per call 665 605 -60 -9.0%
Excl. Wall Time (microsec)30 29 -1 -3.3%
Incl. CPU (microsecs)445 408 -37 -8.3%
Incl. CPU (microsecs) per call 445 408 -37 -8.3%
Excl. CPU (microsec)22 26 4 18.2%
Incl. MemUse (bytes)151,368 151,368 0 0.0%
Incl. MemUse (bytes) per call 151,368 151,368 0 0.0%
Excl. MemUse (bytes)3,488 3,488 0 0.0%
Incl. PeakMemUse (bytes)149,256 149,256 0 0.0%
Incl. PeakMemUse (bytes) per call 149,256 149,256 0 0.0%
Excl. PeakMemUse (bytes)3,712 3,712 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% -60 -15.0% -37 -9.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -1.7% 4 10.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -60 -100.0% -37 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -54 -90.0% -30 -81.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -5 -8.3% -6 -16.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 1 1.7% -1 -2.7% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -1 -1.7% -2 -5.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% -1 -2.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% -1 -2.7% 0 N/A% 0 N/A%