Diff Report
Run #518fb7370421e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518fbd1297c93: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #518fb7370421eRun #518fbd1297c93DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,260 865 -395 -31.3%
Incl. Wall Time (microsec) per call 1,260 865 -395 -31.3%
Excl. Wall Time (microsec)33 34 1 3.0%
Incl. CPU (microsecs)668 625 -43 -6.4%
Incl. CPU (microsecs) per call 668 625 -43 -6.4%
Excl. CPU (microsec)25 26 1 4.0%
Incl. MemUse (bytes)174,088 174,088 0 0.0%
Incl. MemUse (bytes) per call 174,088 174,088 0 0.0%
Excl. MemUse (bytes)4,880 4,880 0 0.0%
Incl. PeakMemUse (bytes)173,928 173,928 0 0.0%
Incl. PeakMemUse (bytes) per call 173,928 173,928 0 0.0%
Excl. PeakMemUse (bytes)4,496 4,496 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% -395 -12.5% -43 -1.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 0.3% 1 2.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -395 -100.0% -43 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -407 -103.0% -54 -125.6% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 8 2.0% 9 20.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 2 0.5% 2 4.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 1 0.3% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% -1 -2.3% 0 N/A% 0 N/A%