Diff Report
Run #526a239923027: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #526a23ef211f9: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #526a239923027Run #526a23ef211f9DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,071 1,056 -15 -1.4%
Incl. Wall Time (microsec) per call 1,071 1,056 -15 -1.4%
Excl. Wall Time (microsec)39 45 6 15.4%
Incl. CPU (microsecs)760 741 -19 -2.5%
Incl. CPU (microsecs) per call 760 741 -19 -2.5%
Excl. CPU (microsec)29 36 7 24.1%
Incl. MemUse (bytes)154,840 154,840 0 0.0%
Incl. MemUse (bytes) per call 154,840 154,840 0 0.0%
Excl. MemUse (bytes)3,496 3,496 0 0.0%
Incl. PeakMemUse (bytes)149,184 149,184 0 0.0%
Incl. PeakMemUse (bytes) per call 149,184 149,184 0 0.0%
Excl. PeakMemUse (bytes)3,888 3,888 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% -15 -1.6% -19 -1.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function6 40.0% 7 36.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -15 -100.0% -19 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -42 -280.0% -47 -247.4% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::loadClass0 N/A% 28 186.7% 29 152.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -16 -106.7% -15 -78.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 9 60.0% 10 52.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% -1 -5.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% -2 -10.5% 0 N/A% 0 N/A%