Diff Report
Run #5589b6f75b296: XHProf Run (Namespace=drupal-perf-stefanr)
vs.
Run #5589b704ad974: XHProf Run (Namespace=drupal-perf-stefanr)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #5589b6f75b296Run #5589b704ad974DiffDiff%
Number of Function Calls100 100 0 0.0%
Incl. Wall Time (microsec)371,462 366,605 -4,857 -1.3%
Incl. Wall Time (microsec) per call 3,715 3,666 -49 -1.3%
Excl. Wall Time (microsec)5,685 5,679 -6 -0.1%
Incl. MemUse (bytes)28,648,000 28,647,200 -800 -0.0%
Incl. MemUse (bytes) per call 286,480 286,472 -8 -0.0%
Excl. MemUse (bytes)337,600 337,600 0 0.0%
Incl. PeakMemUse (bytes)28,156,000 28,148,000 -8,000 -0.0%
Incl. PeakMemUse (bytes) per call 281,560 281,480 -80 -0.0%
Excl. PeakMemUse (bytes)311,200 311,200 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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Database\Database::openConnection0 N/A% -4,857 -0.2% -800 -0.0% -8,000 -0.1%
Exclusive Metrics Diff for Current Function-6 -0.1% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -4,857 -100.0% -800 -100.0% -8,000 -100.0%
Child functions
Composer\Autoload\ClassLoader::loadClass0 N/A% -3,811 -78.5% -5,600 -700.0% -48,000 -600.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -2,685 -55.3% 4,800 600.0% 40,000 500.0%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 1,653 34.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% -8 -0.2% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 0.0% 0 0.0%