Diff Report
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978d2b1f3d1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #51978cc86c728Run #51978d2b1f3d1DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,406 2,391 -15 -0.6%
Incl. Wall Time (microsec) per call 2,406 2,391 -15 -0.6%
Excl. Wall Time (microsec)36 38 2 5.6%
Incl. CPU (microsecs)1,891 1,879 -12 -0.6%
Incl. CPU (microsecs) per call 1,891 1,879 -12 -0.6%
Excl. CPU (microsec)31 27 -4 -12.9%
Incl. MemUse (bytes)301,216 301,216 0 0.0%
Incl. MemUse (bytes) per call 301,216 301,216 0 0.0%
Excl. MemUse (bytes)3,464 3,464 0 0.0%
Incl. PeakMemUse (bytes)291,112 291,112 0 0.0%
Incl. PeakMemUse (bytes) per call 291,112 291,112 0 0.0%
Excl. PeakMemUse (bytes)1,424 1,424 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% -15 -3.7% -12 -1.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 13.3% -4 -33.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -15 -100.0% -12 -100.0% 0 N/A% 0 N/A%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -17 -113.3% -16 -133.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 5 33.3% 10 83.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -3 -20.0% -3 -25.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -2 -13.3% -1 -8.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 1 8.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 1 8.3% 0 N/A% 0 N/A%