Diff Report
Run #518b14dd8356b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518b13c95a609: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #518b14dd8356bRun #518b13c95a609DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,206 1,239 33 2.7%
Incl. Wall Time (microsec) per call 1,206 1,239 33 2.7%
Excl. Wall Time (microsec)33 34 1 3.0%
Incl. CPU (microsecs)670 667 -3 -0.4%
Incl. CPU (microsecs) per call 670 667 -3 -0.4%
Excl. CPU (microsec)27 24 -3 -11.1%
Incl. MemUse (bytes)174,112 174,112 0 0.0%
Incl. MemUse (bytes) per call 174,112 174,112 0 0.0%
Excl. MemUse (bytes)4,880 4,880 0 0.0%
Incl. PeakMemUse (bytes)174,008 174,008 0 0.0%
Incl. PeakMemUse (bytes) per call 174,008 174,008 0 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% 33 4.1% -3 -0.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 3.0% -3 -100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 33 100.0% -3 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 27 81.8% -8 -266.7% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 3 9.1% 4 133.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 2 6.1% 3 100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 1 33.3% 0 N/A% 0 N/A%