Diff Report
Run #518e77f228c59: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518e79892b1de: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #518e77f228c59Run #518e79892b1deDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,362 2,582 220 9.3%
Incl. Wall Time (microsec) per call 2,362 2,582 220 9.3%
Excl. Wall Time (microsec)35 33 -2 -5.7%
Incl. CPU (microsecs)1,907 1,946 39 2.0%
Incl. CPU (microsecs) per call 1,907 1,946 39 2.0%
Excl. CPU (microsec)27 22 -5 -18.5%
Incl. MemUse (bytes)311,336 311,336 0 0.0%
Incl. MemUse (bytes) per call 311,336 311,336 0 0.0%
Excl. MemUse (bytes)5,168 5,168 0 0.0%
Incl. PeakMemUse (bytes)299,472 299,472 0 0.0%
Incl. PeakMemUse (bytes) per call 299,472 299,472 0 0.0%
Excl. PeakMemUse (bytes)4,040 4,040 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% 220 440.0% 39 83.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -0.9% -5 -12.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 220 100.0% 39 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 244 110.9% 64 164.1% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -21 -9.5% -22 -56.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% -1 -0.5% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 1 0.5% 2 5.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% -1 -0.5% 0 0.0% 0 N/A% 0 N/A%