Diff Report
Run #531ccb2cb8e3d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccbd4518b6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #531ccb2cb8e3dRun #531ccbd4518b6DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,518 1,549 31 2.0%
Incl. Wall Time (microsec) per call 1,518 1,549 31 2.0%
Excl. Wall Time (microsec)28 30 2 7.1%
Incl. CPU (microsecs)1,332 1,370 38 2.9%
Incl. CPU (microsecs) per call 1,332 1,370 38 2.9%
Excl. CPU (microsec)26 22 -4 -15.4%
Incl. MemUse (bytes)304,960 304,952 -8 -0.0%
Incl. MemUse (bytes) per call 304,960 304,952 -8 -0.0%
Excl. MemUse (bytes)3,480 3,480 0 0.0%
Incl. PeakMemUse (bytes)291,768 291,680 -88 -0.0%
Incl. PeakMemUse (bytes) per call 291,768 291,680 -88 -0.0%
Excl. PeakMemUse (bytes)3,152 3,152 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% 31 31.6% 38 14.6% -8 -0.0% -88 -0.2%
Exclusive Metrics Diff for Current Function2 6.5% -4 -10.5% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 31 100.0% 38 100.0% -8 -100.0% -88 -100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 32 103.2% 32 84.2% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -4 -12.9% 4 10.5% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 1 3.2% 3 7.9% -8 -100.0% -88 -100.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 1 2.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 0 0.0% 2 5.3% 0 0.0% 0 0.0%