Diff Report
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #53923d861ff11Run #53923e49d2b58DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,240 1,387 147 11.9%
Incl. Wall Time (microsec) per call 1,240 1,387 147 11.9%
Excl. Wall Time (microsec)48 55 7 14.6%
Incl. CPU (microsecs)683 648 -35 -5.1%
Incl. CPU (microsecs) per call 683 648 -35 -5.1%
Excl. CPU (microsec)38 49 11 28.9%
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% 147 9.4% -35 -3.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function7 4.8% 11 31.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 147 100.0% -35 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 117 79.6% -67 -191.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 23 15.6% 21 60.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% -1 -2.9% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 0 0.0% 1 2.9% 0 N/A% 0 N/A%