Diff Report
Run #538e3b37c1a66: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #538e3b37c1a66Run #538e3ac0de109DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,588 1,594 6 0.4%
Incl. Wall Time (microsec) per call 1,588 1,594 6 0.4%
Excl. Wall Time (microsec)27 26 -1 -3.7%
Incl. CPU (microsecs)1,378 1,388 10 0.7%
Incl. CPU (microsecs) per call 1,378 1,388 10 0.7%
Excl. CPU (microsec)23 18 -5 -21.7%
Incl. MemUse (bytes)258,512 258,536 24 0.0%
Incl. MemUse (bytes) per call 258,512 258,536 24 0.0%
Excl. MemUse (bytes)3,176 3,176 0 0.0%
Incl. PeakMemUse (bytes)260,872 260,600 -272 -0.1%
Incl. PeakMemUse (bytes) per call 260,872 260,600 -272 -0.1%
Excl. PeakMemUse (bytes)3,608 3,608 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% 6 0.1% 10 0.3% 24 0.0% -272 -0.2%
Exclusive Metrics Diff for Current Function-1 -16.7% -5 -50.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 6 100.0% 10 100.0% 24 100.0% -272 -100.0%
Child functions
Composer\Autoload\ClassLoader::loadClass0 N/A% 9 150.0% 8 80.0% 24 100.0% -272 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -3 -50.0% 2 20.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 1 16.7% 2 20.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 2 20.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 1 10.0% 0 0.0% 0 0.0%