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

Drupal\Core\Database\Database::openConnectionRun #5589b704ad974Run #5589b6f75b296DiffDiff%
Number of Function Calls100 100 0 0.0%
Incl. Wall Time (microsec)366,605 371,462 4,857 1.3%
Incl. Wall Time (microsec) per call 3,666 3,715 49 1.3%
Excl. Wall Time (microsec)5,679 5,685 6 0.1%
Incl. MemUse (bytes)28,647,200 28,648,000 800 0.0%
Incl. MemUse (bytes) per call 286,472 286,480 8 0.0%
Excl. MemUse (bytes)337,600 337,600 0 0.0%
Incl. PeakMemUse (bytes)28,148,000 28,156,000 8,000 0.0%
Incl. PeakMemUse (bytes) per call 281,480 281,560 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 Function6 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%