Diff Report
Run #51981beb768ad: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981e3ae1e6c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #51981beb768adRun #51981e3ae1e6cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,477 2,290 -187 -7.5%
Incl. Wall Time (microsec) per call 2,477 2,290 -187 -7.5%
Excl. Wall Time (microsec)36 36 0 0.0%
Incl. CPU (microsecs)1,900 1,847 -53 -2.8%
Incl. CPU (microsecs) per call 1,900 1,847 -53 -2.8%
Excl. CPU (microsec)26 25 -1 -3.8%
Incl. MemUse (bytes)299,240 299,200 -40 -0.0%
Incl. MemUse (bytes) per call 299,240 299,200 -40 -0.0%
Excl. MemUse (bytes)3,464 3,464 0 0.0%
Incl. PeakMemUse (bytes)287,992 287,936 -56 -0.0%
Incl. PeakMemUse (bytes) per call 287,992 287,936 -56 -0.0%
Excl. PeakMemUse (bytes)1,424 1,424 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% -187 -152.0% -53 -10.0% -40 -0.1% -56 -0.2%
Exclusive Metrics Diff for Current Function0 0.0% -1 -1.9% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -187 -100.0% -53 -100.0% -40 -100.0% -56 -100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -178 -95.2% -45 -84.9% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -4 -2.1% -3 -5.7% 8 20.0% -96 -171.4%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -4 -2.1% -4 -7.5% -32 -80.0% 40 71.4%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -1 -0.5% -1 -1.9% -16 -40.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 1 1.9% 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%