Diff Report
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fcf6ab927: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #5391fc871e91dRun #5391fcf6ab927DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,318 1,253 -65 -4.9%
Incl. Wall Time (microsec) per call 1,318 1,253 -65 -4.9%
Excl. Wall Time (microsec)44 45 1 2.3%
Incl. CPU (microsecs)586 605 19 3.2%
Incl. CPU (microsecs) per call 586 605 19 3.2%
Excl. CPU (microsec)35 36 1 2.9%
Incl. MemUse (bytes)79,004 79,004 0 0.0%
Incl. MemUse (bytes) per call 79,004 79,004 0 0.0%
Excl. MemUse (bytes)1,708 1,708 0 0.0%
Incl. PeakMemUse (bytes)78,940 78,940 0 0.0%
Incl. PeakMemUse (bytes) per call 78,940 78,940 0 0.0%
Excl. PeakMemUse (bytes)1,968 1,968 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% -65 -4.0% 19 1.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 1.5% 1 5.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -65 -100.0% 19 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -71 -109.2% 14 73.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 9 13.8% 8 42.1% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -3 -4.6% -4 -21.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% -1 -1.5% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%