Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #51ec3b81ad265Run #51ec3c5ab9ae4DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,337 948 -389 -29.1%
Incl. Wall Time (microsec) per call 1,337 948 -389 -29.1%
Excl. Wall Time (microsec)33 34 1 3.0%
Incl. CPU (microsecs)700 510 -190 -27.1%
Incl. CPU (microsecs) per call 700 510 -190 -27.1%
Excl. CPU (microsec)26 28 2 7.7%
Incl. MemUse (bytes)153,128 153,112 -16 -0.0%
Incl. MemUse (bytes) per call 153,128 153,112 -16 -0.0%
Excl. MemUse (bytes)3,512 3,512 0 0.0%
Incl. PeakMemUse (bytes)150,288 150,272 -16 -0.0%
Incl. PeakMemUse (bytes) per call 150,288 150,272 -16 -0.0%
Excl. PeakMemUse (bytes)3,704 3,704 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% -389 -104.0% -190 -17.9% -16 -0.0% -16 -0.0%
Exclusive Metrics Diff for Current Function1 0.3% 2 1.1% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -389 -100.0% -190 -100.0% -16 -100.0% -16 -100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -392 -100.8% -193 -101.6% -16 -100.0% -16 -100.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 3 0.8% 2 1.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -1 -0.3% -1 -0.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%