Diff Report
Run #52f5c0b2e882a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c11235c73: 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 #52f5c11235c73DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)573 529 -44 -7.7%
Incl. Wall Time (microsec) per call 573 529 -44 -7.7%
Excl. Wall Time (microsec)30 29 -1 -3.3%
Incl. CPU (microsecs)397 363 -34 -8.6%
Incl. CPU (microsecs) per call 397 363 -34 -8.6%
Excl. CPU (microsec)20 22 2 10.0%
Incl. MemUse (bytes)151,544 151,536 -8 -0.0%
Incl. MemUse (bytes) per call 151,544 151,536 -8 -0.0%
Excl. MemUse (bytes)3,480 3,480 0 0.0%
Incl. PeakMemUse (bytes)148,080 148,072 -8 -0.0%
Incl. PeakMemUse (bytes) per call 148,080 148,072 -8 -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% -44 -10.6% -34 -14.3% -8 -0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function-1 -2.3% 2 5.9% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -44 -100.0% -34 -100.0% -8 -100.0% -8 -100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -31 -70.5% -21 -61.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -12 -27.3% -12 -35.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 1 2.3% 1 2.9% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -1 -2.3% -2 -5.9% -8 -100.0% -8 -100.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% -1 -2.9% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% -1 -2.9% 0 0.0% 0 0.0%