Diff Report
Run #52f5c0b2e882a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c0f4ebbb2: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #52f5c0b2e882aRun #52f5c0f4ebbb2DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)573 531 -42 -7.3%
Incl. Wall Time (microsec) per call 573 531 -42 -7.3%
Excl. Wall Time (microsec)30 28 -2 -6.7%
Incl. CPU (microsecs)397 363 -34 -8.6%
Incl. CPU (microsecs) per call 397 363 -34 -8.6%
Excl. CPU (microsec)20 25 5 25.0%
Incl. MemUse (bytes)151,544 151,544 0 0.0%
Incl. MemUse (bytes) per call 151,544 151,544 0 0.0%
Excl. MemUse (bytes)3,480 3,480 0 0.0%
Incl. PeakMemUse (bytes)148,080 148,080 0 0.0%
Incl. PeakMemUse (bytes) per call 148,080 148,080 0 0.0%
Excl. PeakMemUse (bytes)3,792 3,792 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% -42 -7.8% -34 -6.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -4.8% 5 14.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -42 -100.0% -34 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -28 -66.7% -21 -61.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -11 -26.2% -13 -38.2% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -1 -2.4% -2 -5.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% -2 -5.9% 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%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%