Diff Report
Run #519fc84e17238: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc53e46a65: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #519fc84e17238Run #519fc53e46a65DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)887 823 -64 -7.2%
Incl. Wall Time (microsec) per call 887 823 -64 -7.2%
Excl. Wall Time (microsec)33 35 2 6.1%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)146,136 146,136 0 0.0%
Incl. MemUse (bytes) per call 146,136 146,136 0 0.0%
Excl. MemUse (bytes)3,488 3,488 0 0.0%
Incl. PeakMemUse (bytes)141,928 141,928 0 0.0%
Incl. PeakMemUse (bytes) per call 141,928 141,928 0 0.0%
Excl. PeakMemUse (bytes)3,664 3,664 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% -64 -11.8% 0 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 3.1% 0 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -64 -100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -75 -117.2% 0 N/A% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 5 7.8% 0 N/A% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 3 4.7% 0 N/A% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 1 1.6% 0 N/A% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%