Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #519d44ffb3845Run #519d45fd795a4DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,176 2,077 -99 -4.5%
Incl. Wall Time (microsec) per call 2,176 2,077 -99 -4.5%
Excl. Wall Time (microsec)69 66 -3 -4.3%
Incl. CPU (microsecs)1,353 1,241 -112 -8.3%
Incl. CPU (microsecs) per call 1,353 1,241 -112 -8.3%
Excl. CPU (microsec)53 52 -1 -1.9%
Incl. MemUse (bytes)102,236 102,232 -4 -0.0%
Incl. MemUse (bytes) per call 102,236 102,232 -4 -0.0%
Excl. MemUse (bytes)2,988 2,988 0 0.0%
Incl. PeakMemUse (bytes)99,196 99,192 -4 -0.0%
Incl. PeakMemUse (bytes) per call 99,196 99,192 -4 -0.0%
Excl. PeakMemUse (bytes)3,116 3,116 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% -99 -0.2% -112 -0.2% -4 -0.0% -4 -0.0%
Exclusive Metrics Diff for Current Function-3 -3.0% -1 -0.9% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -99 -100.0% -112 -100.0% -4 -100.0% -4 -100.0%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -96 -97.0% -96 -85.7% -4 -100.0% -4 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -3 -3.0% -3 -2.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 2 2.0% 3 2.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 1 1.0% -2 -1.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 0 0.0% -13 -11.6% 0 0.0% 0 0.0%