Diff Report
Run #51aad15cb89bb: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aad231c9c46: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #51aad15cb89bbRun #51aad231c9c46DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,353 2,349 -4 -0.2%
Incl. Wall Time (microsec) per call 2,353 2,349 -4 -0.2%
Excl. Wall Time (microsec)35 40 5 14.3%
Incl. CPU (microsecs)1,853 1,900 47 2.5%
Incl. CPU (microsecs) per call 1,853 1,900 47 2.5%
Excl. CPU (microsec)31 36 5 16.1%
Incl. MemUse (bytes)301,192 301,120 -72 -0.0%
Incl. MemUse (bytes) per call 301,192 301,120 -72 -0.0%
Excl. MemUse (bytes)3,464 3,464 0 0.0%
Incl. PeakMemUse (bytes)291,008 290,904 -104 -0.0%
Incl. PeakMemUse (bytes) per call 291,008 290,904 -104 -0.0%
Excl. PeakMemUse (bytes)1,424 1,424 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% -4 -1.5% 47 3.1% -72 -0.1% -104 -0.1%
Exclusive Metrics Diff for Current Function5 125.0% 5 10.6% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -4 -100.0% 47 100.0% -72 -100.0% -104 -100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -15 -375.0% 36 76.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 12 300.0% 11 23.4% 0 0.0% -72 -69.2%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -3 -75.0% -3 -6.4% -72 -100.0% -32 -30.8%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -2 -50.0% -1 -2.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% -1 -25.0% -1 -2.1% 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%