Diff Report
Run #518eceb4aac68: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518ed14bbba55: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #518eceb4aac68Run #518ed14bbba55DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)953 1,021 68 7.1%
Incl. Wall Time (microsec) per call 953 1,021 68 7.1%
Excl. Wall Time (microsec)35 32 -3 -8.6%
Incl. CPU (microsecs)598 635 37 6.2%
Incl. CPU (microsecs) per call 598 635 37 6.2%
Excl. CPU (microsec)30 25 -5 -16.7%
Incl. MemUse (bytes)174,088 174,112 24 0.0%
Incl. MemUse (bytes) per call 174,088 174,112 24 0.0%
Excl. MemUse (bytes)4,880 4,880 0 0.0%
Incl. PeakMemUse (bytes)174,120 174,144 24 0.0%
Incl. PeakMemUse (bytes) per call 174,120 174,144 24 0.0%
Excl. PeakMemUse (bytes)4,496 4,496 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% 68 24.7% 37 11.9% 24 0.1% 24 0.1%
Exclusive Metrics Diff for Current Function-3 -4.4% -5 -13.5% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 68 100.0% 37 100.0% 24 100.0% 24 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 62 91.2% 32 86.5% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 4 5.9% 4 10.8% 24 100.0% 24 100.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 4 5.9% 5 13.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 1 1.5% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 1 2.7% 0 0.0% 0 0.0%