Diff Report
Run #519d9d94433aa: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #519d9d94433aaRun #519d9cf28420eDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,315 2,415 100 4.3%
Incl. Wall Time (microsec) per call 2,315 2,415 100 4.3%
Excl. Wall Time (microsec)41 41 0 0.0%
Incl. CPU (microsecs)2,001 2,115 114 5.7%
Incl. CPU (microsecs) per call 2,001 2,115 114 5.7%
Excl. CPU (microsec)39 35 -4 -10.3%
Incl. MemUse (bytes)458,888 458,896 8 0.0%
Incl. MemUse (bytes) per call 458,888 458,896 8 0.0%
Excl. MemUse (bytes)5,456 5,456 0 0.0%
Incl. PeakMemUse (bytes)439,168 439,208 40 0.0%
Incl. PeakMemUse (bytes) per call 439,168 439,208 40 0.0%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% 100 4.0% 114 12.1% 8 0.0% 40 0.1%
Exclusive Metrics Diff for Current Function0 0.0% -4 -3.5% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 100 100.0% 114 100.0% 8 100.0% 40 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 57 57.0% 56 49.1% -32 -400.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 38 38.0% 53 46.5% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 5 5.0% 6 5.3% 40 500.0% 40 100.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 0 0.0% 2 1.8% 0 0.0% 0 0.0%