Diff Report
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920c043e98b: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #53920b950c201Run #53920c043e98bDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,353 1,339 -14 -1.0%
Incl. Wall Time (microsec) per call 1,353 1,339 -14 -1.0%
Excl. Wall Time (microsec)43 46 3 7.0%
Incl. CPU (microsecs)676 660 -16 -2.4%
Incl. CPU (microsecs) per call 676 660 -16 -2.4%
Excl. CPU (microsec)33 35 2 6.1%
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% -14 -3.9% -16 -8.6% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function3 21.4% 2 12.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -14 -100.0% -16 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -23 -164.3% -24 -150.0% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 4 28.6% 4 25.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 2 14.3% 1 6.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 1 6.2% 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%