Diff Report
Run #53ccf1bb00d4b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #53ccf1bb00d4bRun #53ccf06f3ae60DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,837 1,800 -37 -2.0%
Incl. Wall Time (microsec) per call 1,837 1,800 -37 -2.0%
Excl. Wall Time (microsec)30 25 -5 -16.7%
Incl. CPU (microsecs)1,622 1,607 -15 -0.9%
Incl. CPU (microsecs) per call 1,622 1,607 -15 -0.9%
Excl. CPU (microsec)24 23 -1 -4.2%
Incl. MemUse (bytes)279,056 279,128 72 0.0%
Incl. MemUse (bytes) per call 279,056 279,128 72 0.0%
Excl. MemUse (bytes)3,504 3,504 0 0.0%
Incl. PeakMemUse (bytes)280,728 280,944 216 0.1%
Incl. PeakMemUse (bytes) per call 280,728 280,944 216 0.1%
Excl. PeakMemUse (bytes)3,432 3,432 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% -37 -2.4% -15 -0.9% 72 1.1% 216 2.0%
Exclusive Metrics Diff for Current Function-5 -13.5% -1 -6.7% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -37 -100.0% -15 -100.0% 72 100.0% 216 100.0%
Child functions
Composer\Autoload\ClassLoader::loadClass0 N/A% -39 -105.4% -39 -260.0% 72 100.0% 216 100.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 29 78.4% 29 193.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -23 -62.2% -3 -20.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 1 2.7% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% -1 -6.7% 0 0.0% 0 0.0%