Diff Report
Run #520840a963a54: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5208407650493: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #520840a963a54Run #5208407650493DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)999 1,224 225 22.5%
Incl. Wall Time (microsec) per call 999 1,224 225 22.5%
Excl. Wall Time (microsec)40 36 -4 -10.0%
Incl. CPU (microsecs)655 640 -15 -2.3%
Incl. CPU (microsecs) per call 655 640 -15 -2.3%
Excl. CPU (microsec)31 28 -3 -9.7%
Incl. MemUse (bytes)153,416 153,416 0 0.0%
Incl. MemUse (bytes) per call 153,416 153,416 0 0.0%
Excl. MemUse (bytes)3,480 3,480 0 0.0%
Incl. PeakMemUse (bytes)151,160 151,160 0 0.0%
Incl. PeakMemUse (bytes) per call 151,160 151,160 0 0.0%
Excl. PeakMemUse (bytes)3,704 3,704 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% 225 208.3% -15 -8.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4 -1.8% -3 -20.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 225 100.0% -15 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 258 114.7% 17 113.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -24 -10.7% -24 -160.0% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -5 -2.2% -5 -33.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% -1 -6.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 1 6.7% 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%