Diff Report
Run #52d3e93cb560e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d3e964b719c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #52d3e93cb560eRun #52d3e964b719cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)584 692 108 18.5%
Incl. Wall Time (microsec) per call 584 692 108 18.5%
Excl. Wall Time (microsec)25 27 2 8.0%
Incl. CPU (microsecs)417 480 63 15.1%
Incl. CPU (microsecs) per call 417 480 63 15.1%
Excl. CPU (microsec)19 21 2 10.5%
Incl. MemUse (bytes)151,608 151,608 0 0.0%
Incl. MemUse (bytes) per call 151,608 151,608 0 0.0%
Excl. MemUse (bytes)3,496 3,496 0 0.0%
Incl. PeakMemUse (bytes)149,864 149,864 0 0.0%
Incl. PeakMemUse (bytes) per call 149,864 149,864 0 0.0%
Excl. PeakMemUse (bytes)3,936 3,936 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% 108 36.1% 63 22.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 1.9% 2 3.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 108 100.0% 63 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 92 85.2% 48 76.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 13 12.0% 12 19.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 1 0.9% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::loadClass0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 1 1.6% 0 N/A% 0 N/A%