Diff Report
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519bea9000214: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #519be9a13e594Run #519bea9000214DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,058 2,276 218 10.6%
Incl. Wall Time (microsec) per call 2,058 2,276 218 10.6%
Excl. Wall Time (microsec)67 66 -1 -1.5%
Incl. CPU (microsecs)1,231 1,291 60 4.9%
Incl. CPU (microsecs) per call 1,231 1,291 60 4.9%
Excl. CPU (microsec)53 50 -3 -5.7%
Incl. MemUse (bytes)102,240 102,236 -4 -0.0%
Incl. MemUse (bytes) per call 102,240 102,236 -4 -0.0%
Excl. MemUse (bytes)2,988 2,988 0 0.0%
Incl. PeakMemUse (bytes)99,200 99,196 -4 -0.0%
Incl. PeakMemUse (bytes) per call 99,200 99,196 -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% 218 5.8% 60 2.6% -4 -0.0% -4 -0.0%
Exclusive Metrics Diff for Current Function-1 -0.5% -3 -5.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 218 100.0% 60 100.0% -4 -100.0% -4 -100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 216 99.1% 58 96.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 4 1.8% 4 6.7% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -2 -0.9% -2 -3.3% -4 -100.0% -4 -100.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 1 0.5% 2 3.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 1 1.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%